clock

(export (version D)
  (design
    (source /Users/evzijst/work/electronics/clock/kicad/clock.sch)
    (date "Saturday, July 27, 2019 at 05:57:35 PM")
    (tool "Eeschema (5.1.2-1)-1")
    (sheet (number 1) (name /) (tstamps /)
      (title_block
        (title "24H Digital Clock")
        (company)
        (rev v01)
        (date 2019-06-13)
        (source clock.sch)
        (comment (number 1) (value ""))
        (comment (number 2) (value creativecommons.org/licenses/by/4.0/))
        (comment (number 3) (value "License: CC BY 4.0"))
        (comment (number 4) (value "Author: Erik van Zijst")))))
  (components
    (comp (ref R4)
      (value 10M)
      (footprint Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal)
      (datasheet ~)
      (libsource (lib Device) (part R) (description Resistor))
      (sheetpath (names /) (tstamps /))
      (tstamp 5D0337B8))
    (comp (ref R3)
      (value 330k)
      (footprint Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal)
      (datasheet ~)
      (libsource (lib Device) (part R) (description Resistor))
      (sheetpath (names /) (tstamps /))
      (tstamp 5D033D50))
    (comp (ref C2)
      (value 22pF)
      (footprint Capacitor_THT:C_Disc_D5.0mm_W2.5mm_P2.50mm)
      (datasheet ~)
      (libsource (lib Device) (part C) (description "Unpolarized capacitor"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5D0341EF))
    (comp (ref C1)
      (value 22pF)
      (footprint Capacitor_THT:C_Disc_D5.0mm_W2.5mm_P2.50mm)
      (datasheet ~)
      (libsource (lib Device) (part C) (description "Unpolarized capacitor"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5D0345DF))
    (comp (ref XTAL1)
      (value ECS-_327-12_5-34B-TR)
      (footprint Crystal:Crystal_DS26_D2.0mm_L6.0mm_Horizontal)
      (datasheet http://www.ecsxtal.com/store/pdf/ecx-31b.pdf)
      (fields
        (field (name Category) "Crystals, Oscillators, Resonators")
        (field (name DK_Datasheet_Link) http://www.ecsxtal.com/store/pdf/ecx-31b.pdf)
        (field (name DK_Detail_Page) /product-detail/en/ecs-inc/ECS-.327-12.5-34B-TR/XC1617CT-ND/1693786)
        (field (name Description) "CRYSTAL 32.7680KHZ 12.5PF SMD")
        (field (name Digi-Key_PN) XC1617CT-ND)
        (field (name Family) Crystals)
        (field (name MPN) ECS-.327-12.5-34B-TR)
        (field (name Manufacturer) "ECS Inc.")
        (field (name Status) Active))
      (libsource (lib dk_Crystals) (part ECS-_327-12_5-34B-TR) (description "CRYSTAL 32.7680KHZ 12.5PF SMD"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5D03E855))
    (comp (ref U5)
      (value SN74HC74N)
      (footprint clock:Socket_DIP-14_0.775in_Conn)
      (datasheet http://www.ti.com/general/docs/suppproductinfo.tsp?distId=10&gotoUrl=http%3A%2F%2Fwww.ti.com%2Flit%2Fgpn%2Fsn74hc74)
      (fields
        (field (name Category) "Integrated Circuits (ICs)")
        (field (name DK_Datasheet_Link) http://www.ti.com/general/docs/suppproductinfo.tsp?distId=10&gotoUrl=http%3A%2F%2Fwww.ti.com%2Flit%2Fgpn%2Fsn74hc74)
        (field (name DK_Detail_Page) /product-detail/en/texas-instruments/SN74HC74N/296-1602-5-ND/277248)
        (field (name Description) "IC FF D-TYPE DUAL 1BIT 14DIP")
        (field (name Digi-Key_PN) 296-1602-5-ND)
        (field (name Family) "Logic - Flip Flops")
        (field (name MPN) SN74HC74N)
        (field (name Manufacturer) "Texas Instruments")
        (field (name Status) Active))
      (libsource (lib dk_Logic-Flip-Flops) (part SN74HC74N) (description "IC FF D-TYPE DUAL 1BIT 14DIP"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5D03F41F))
    (comp (ref U1)
      (value 74HC4060)
      (footprint Package_DIP:DIP-16_W7.62mm_Socket)
      (libsource (lib clock) (part 74HC4060) (description ""))
      (sheetpath (names /) (tstamps /))
      (tstamp 5D04434B))
    (comp (ref U6)
      (value 74HC390)
      (footprint Package_DIP:DIP-16_W7.62mm_Socket)
      (libsource (lib clock) (part 74HC390) (description ""))
      (sheetpath (names /) (tstamps /))
      (tstamp 5D04E1FC))
    (comp (ref U12)
      (value 74HC4511)
      (footprint Package_DIP:DIP-16_W7.62mm_Socket)
      (libsource (lib clock) (part 74HC4511) (description ""))
      (sheetpath (names /) (tstamps /))
      (tstamp 5D05A7CC))
    (comp (ref U18)
      (value KCSC02-105)
      (footprint Display_7Segment:7SegmentLED_LTS6760_LTS6780)
      (datasheet "http://www.kingbright.com/attachments/file/psearch/000/00/00/KCSC02-105(Ver.9A).pdf")
      (libsource (lib Display_Character) (part KCSC02-105) (description "One digit 7 segment hyper red LED, common cathode"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5D13E0ED))
    (comp (ref U19)
      (value KCSC02-105)
      (footprint Display_7Segment:7SegmentLED_LTS6760_LTS6780)
      (datasheet "http://www.kingbright.com/attachments/file/psearch/000/00/00/KCSC02-105(Ver.9A).pdf")
      (libsource (lib Display_Character) (part KCSC02-105) (description "One digit 7 segment hyper red LED, common cathode"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5D143E98))
    (comp (ref U8)
      (value 74HC390)
      (footprint Package_DIP:DIP-16_W7.62mm_Socket)
      (libsource (lib clock) (part 74HC390) (description ""))
      (sheetpath (names /) (tstamps /))
      (tstamp 5D185C43))
    (comp (ref U14)
      (value 74HC4511)
      (footprint Package_DIP:DIP-16_W7.62mm_Socket)
      (libsource (lib clock) (part 74HC4511) (description ""))
      (sheetpath (names /) (tstamps /))
      (tstamp 5D185C64))
    (comp (ref U15)
      (value 74HC4511)
      (footprint Package_DIP:DIP-16_W7.62mm_Socket)
      (libsource (lib clock) (part 74HC4511) (description ""))
      (sheetpath (names /) (tstamps /))
      (tstamp 5D185C6E))
    (comp (ref U20)
      (value KCSC02-105)
      (footprint Display_7Segment:7SegmentLED_LTS6760_LTS6780)
      (datasheet "http://www.kingbright.com/attachments/file/psearch/000/00/00/KCSC02-105(Ver.9A).pdf")
      (libsource (lib Display_Character) (part KCSC02-105) (description "One digit 7 segment hyper red LED, common cathode"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5D185D53))
    (comp (ref U21)
      (value KCSC02-105)
      (footprint Display_7Segment:7SegmentLED_LTS6760_LTS6780)
      (datasheet "http://www.kingbright.com/attachments/file/psearch/000/00/00/KCSC02-105(Ver.9A).pdf")
      (libsource (lib Display_Character) (part KCSC02-105) (description "One digit 7 segment hyper red LED, common cathode"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5D185D5D))
    (comp (ref U9)
      (value 74HC08)
      (footprint clock:Socket_DIP-14_0.775in_Conn)
      (libsource (lib clock) (part 74HC08) (description ""))
      (sheetpath (names /) (tstamps /))
      (tstamp 5D3FB4BE))
    (comp (ref U16)
      (value 74HC4511)
      (footprint Package_DIP:DIP-16_W7.62mm_Socket)
      (libsource (lib clock) (part 74HC4511) (description ""))
      (sheetpath (names /) (tstamps /))
      (tstamp 5D45B0B8))
    (comp (ref U10)
      (value 74HC390)
      (footprint Package_DIP:DIP-16_W7.62mm_Socket)
      (libsource (lib clock) (part 74HC390) (description ""))
      (sheetpath (names /) (tstamps /))
      (tstamp 5D46CD47))
    (comp (ref SW2)
      (value MIN)
      (footprint Button_Switch_THT:SW_PUSH_6mm_H4.3mm)
      (datasheet ~)
      (libsource (lib Switch) (part SW_Push) (description "Push button switch, generic, two pins"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5DB366BA))
    (comp (ref SW3)
      (value TIME)
      (footprint Button_Switch_THT:SW_PUSH_6mm_H4.3mm)
      (datasheet ~)
      (libsource (lib Switch) (part SW_Push) (description "Push button switch, generic, two pins"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5DB375CD))
    (comp (ref R6)
      (value 100K)
      (footprint Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal)
      (datasheet ~)
      (libsource (lib Device) (part R) (description Resistor))
      (sheetpath (names /) (tstamps /))
      (tstamp 5DB39397))
    (comp (ref R2)
      (value 100K)
      (footprint Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal)
      (datasheet ~)
      (libsource (lib Device) (part R) (description Resistor))
      (sheetpath (names /) (tstamps /))
      (tstamp 5DB39EF0))
    (comp (ref C4)
      (value 100nF)
      (footprint Capacitor_THT:C_Disc_D5.0mm_W2.5mm_P2.50mm)
      (datasheet ~)
      (libsource (lib Device) (part C) (description "Unpolarized capacitor"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5DBE0E4A))
    (comp (ref SW1)
      (value HOUR)
      (footprint Button_Switch_THT:SW_PUSH_6mm_H4.3mm)
      (datasheet ~)
      (libsource (lib Switch) (part SW_Push) (description "Push button switch, generic, two pins"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5DD24122))
    (comp (ref R5)
      (value 100K)
      (footprint Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal)
      (datasheet ~)
      (libsource (lib Device) (part R) (description Resistor))
      (sheetpath (names /) (tstamps /))
      (tstamp 5DD2412D))
    (comp (ref R1)
      (value 100K)
      (footprint Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal)
      (datasheet ~)
      (libsource (lib Device) (part R) (description Resistor))
      (sheetpath (names /) (tstamps /))
      (tstamp 5DD24138))
    (comp (ref C3)
      (value 100nF)
      (footprint Capacitor_THT:C_Disc_D5.0mm_W2.5mm_P2.50mm)
      (datasheet ~)
      (libsource (lib Device) (part C) (description "Unpolarized capacitor"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5DD2414C))
    (comp (ref U4)
      (value 74HC157)
      (footprint Package_DIP:DIP-16_W7.62mm_Socket)
      (libsource (lib clock) (part 74HC157) (description ""))
      (sheetpath (names /) (tstamps /))
      (tstamp 5DD96DC2))
    (comp (ref D1)
      (value D)
      (footprint digikey-footprints:Diode_DO-35_P10mm)
      (datasheet ~)
      (libsource (lib Device) (part D) (description Diode))
      (sheetpath (names /) (tstamps /))
      (tstamp 5DD24142))
    (comp (ref D2)
      (value D)
      (footprint digikey-footprints:Diode_DO-35_P10mm)
      (datasheet ~)
      (libsource (lib Device) (part D) (description Diode))
      (sheetpath (names /) (tstamps /))
      (tstamp 5DBDFD95))
    (comp (ref U3)
      (value 74HC14)
      (footprint clock:Socket_DIP-14_0.775in_Conn)
      (libsource (lib clock) (part 74HC14) (description ""))
      (sheetpath (names /) (tstamps /))
      (tstamp 5DD6A2C2))
    (comp (ref C5)
      (value 100nF)
      (footprint Capacitor_THT:C_Disc_D5.0mm_W2.5mm_P2.50mm)
      (datasheet ~)
      (libsource (lib Device) (part C) (description "Unpolarized capacitor"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5D1110B2))
    (comp (ref C14)
      (value 100nF)
      (footprint Capacitor_THT:C_Disc_D5.0mm_W2.5mm_P2.50mm)
      (datasheet ~)
      (libsource (lib Device) (part C) (description "Unpolarized capacitor"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5D113150))
    (comp (ref C15)
      (value 100nF)
      (footprint Capacitor_THT:C_Disc_D5.0mm_W2.5mm_P2.50mm)
      (datasheet ~)
      (libsource (lib Device) (part C) (description "Unpolarized capacitor"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5D115BC7))
    (comp (ref C21)
      (value 100nF)
      (footprint Capacitor_THT:C_Disc_D5.0mm_W2.5mm_P2.50mm)
      (datasheet ~)
      (libsource (lib Device) (part C) (description "Unpolarized capacitor"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5D1967AF))
    (comp (ref C16)
      (value 100nF)
      (footprint Capacitor_THT:C_Disc_D5.0mm_W2.5mm_P2.50mm)
      (datasheet ~)
      (libsource (lib Device) (part C) (description "Unpolarized capacitor"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5D196FBB))
    (comp (ref C22)
      (value 100nF)
      (footprint Capacitor_THT:C_Disc_D5.0mm_W2.5mm_P2.50mm)
      (datasheet ~)
      (libsource (lib Device) (part C) (description "Unpolarized capacitor"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5D1975F0))
    (comp (ref C8)
      (value 100nF)
      (footprint Capacitor_THT:C_Disc_D5.0mm_W2.5mm_P2.50mm)
      (datasheet ~)
      (libsource (lib Device) (part C) (description "Unpolarized capacitor"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5D197918))
    (comp (ref C10)
      (value 100nF)
      (footprint Capacitor_THT:C_Disc_D5.0mm_W2.5mm_P2.50mm)
      (datasheet ~)
      (libsource (lib Device) (part C) (description "Unpolarized capacitor"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5D1C3C6E))
    (comp (ref C18)
      (value 100nF)
      (footprint Capacitor_THT:C_Disc_D5.0mm_W2.5mm_P2.50mm)
      (datasheet ~)
      (libsource (lib Device) (part C) (description "Unpolarized capacitor"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5D1F14CC))
    (comp (ref C23)
      (value 100nF)
      (footprint Capacitor_THT:C_Disc_D5.0mm_W2.5mm_P2.50mm)
      (datasheet ~)
      (libsource (lib Device) (part C) (description "Unpolarized capacitor"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5D2F8502))
    (comp (ref C13)
      (value 100nF)
      (footprint Capacitor_THT:C_Disc_D5.0mm_W2.5mm_P2.50mm)
      (datasheet ~)
      (libsource (lib Device) (part C) (description "Unpolarized capacitor"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5D37C1A7))
    (comp (ref J1)
      (value USB-SS-52100-001)
      (footprint KiCad:USB_A_Stewart_SS-52100-001_Horizontal)
      (datasheet https://belfuse.com/resources/drawings/stewartconnector/dr-stw-ss-52100-001.pdf)
      (fields
        (field (name Category) "Connectors, Interconnects")
        (field (name DK_Detail_Page) https://www.digikey.com/product-detail/en/stewart-connector/SS-52100-001/380-1412-ND/7902377)
        (field (name Description) "CONN RCPT USB2.0 TYPEA 4POS R/A")
        (field (name Digi-Key_PN) 380-1412-ND)
        (field (name Family) "USB, DVI, HDMI Connectors")
        (field (name MPN) SS-52100-001)
        (field (name Manufacturer) "Stewart Connector")
        (field (name Status) Active))
      (libsource (lib clock) (part USB-SS-52100-001) (description "CONN RCPT USB2.0 TYPEA 4POS R/A"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5D8F04E6))
    (comp (ref C11)
      (value 47nF)
      (footprint Capacitor_THT:C_Disc_D5.0mm_W2.5mm_P2.50mm)
      (datasheet ~)
      (libsource (lib Device) (part C) (description "Unpolarized capacitor"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5D9C1C6A))
    (comp (ref C17)
      (value 100nF)
      (footprint Capacitor_THT:C_Disc_D5.0mm_W2.5mm_P2.50mm)
      (datasheet ~)
      (libsource (lib Device) (part C) (description "Unpolarized capacitor"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5DA21AE9))
    (comp (ref D3)
      (value D)
      (footprint digikey-footprints:Diode_DO-35_P10mm)
      (datasheet ~)
      (libsource (lib Device) (part D) (description Diode))
      (sheetpath (names /) (tstamps /))
      (tstamp 5DB771DB))
    (comp (ref D4)
      (value D)
      (footprint digikey-footprints:Diode_DO-35_P10mm)
      (datasheet ~)
      (libsource (lib Device) (part D) (description Diode))
      (sheetpath (names /) (tstamps /))
      (tstamp 5DB77C92))
    (comp (ref R9)
      (value 1M)
      (footprint Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal)
      (datasheet ~)
      (libsource (lib Device) (part R) (description Resistor))
      (sheetpath (names /) (tstamps /))
      (tstamp 5DB7BBEA))
    (comp (ref R8)
      (value VT93xx)
      (footprint OptoDevice:R_LDR_4.9x4.2mm_P2.54mm_Vertical)
      (datasheet http://www.produktinfo.conrad.com/datenblaetter/125000-149999/140375-da-01-en-FOTOWIDERSTAND__VT_93_N2__THT_.pdf)
      (libsource (lib Sensor_Optical) (part VT93xx) (description "light dependent resistor"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5DC80BDF))
    (comp (ref Q1)
      (value PN2222A)
      (footprint Package_TO_SOT_THT:TO-92_Inline_Wide)
      (datasheet http://www.fairchildsemi.com/ds/PN/PN2222A.pdf)
      (libsource (lib Transistor_BJT) (part PN2222A) (description "1A Ic, 40V Vce, NPN Transistor, General Purpose Transistor, TO-92"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5DE78783))
    (comp (ref R11)
      (value 5.1K)
      (footprint Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal)
      (datasheet ~)
      (libsource (lib Device) (part R) (description Resistor))
      (sheetpath (names /) (tstamps /))
      (tstamp 5DEB054B))
    (comp (ref R10)
      (value 10K)
      (footprint Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal)
      (datasheet ~)
      (libsource (lib Device) (part R) (description Resistor))
      (sheetpath (names /) (tstamps /))
      (tstamp 5E34B6A6))
    (comp (ref C9)
      (value 100nF)
      (footprint Capacitor_THT:C_Disc_D5.0mm_W2.5mm_P2.50mm)
      (datasheet ~)
      (libsource (lib Device) (part C) (description "Unpolarized capacitor"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5E40BF81))
    (comp (ref C12)
      (value 10nF)
      (footprint Capacitor_THT:C_Disc_D5.0mm_W2.5mm_P2.50mm)
      (datasheet ~)
      (libsource (lib Device) (part C) (description "Unpolarized capacitor"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5D9BE9FA))
    (comp (ref U11)
      (value NE555P)
      (footprint Package_DIP:DIP-8_W7.62mm_Socket)
      (datasheet http://www.ti.com/general/docs/suppproductinfo.tsp?distId=10&gotoUrl=http%3A%2F%2Fwww.ti.com%2Flit%2Fgpn%2Fne555)
      (fields
        (field (name Category) "Integrated Circuits (ICs)")
        (field (name DK_Datasheet_Link) http://www.ti.com/general/docs/suppproductinfo.tsp?distId=10&gotoUrl=http%3A%2F%2Fwww.ti.com%2Flit%2Fgpn%2Fne555)
        (field (name DK_Detail_Page) /product-detail/en/texas-instruments/NE555P/296-1411-5-ND/277057)
        (field (name Description) "IC OSC SINGLE TIMER 100KHZ 8-DIP")
        (field (name Digi-Key_PN) 296-1411-5-ND)
        (field (name Family) "Clock/Timing - Programmable Timers and Oscillators")
        (field (name MPN) NE555P)
        (field (name Manufacturer) "Texas Instruments")
        (field (name Status) Active))
      (libsource (lib dk_Clock-Timing-Programmable-Timers-and-Oscillators) (part NE555P) (description "IC OSC SINGLE TIMER 100KHZ 8-DIP"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5D95E044))
    (comp (ref U7)
      (value 74HC08)
      (footprint clock:Socket_DIP-14_0.775in_Conn)
      (libsource (lib clock) (part 74HC08) (description ""))
      (sheetpath (names /) (tstamps /))
      (tstamp 5D07855E))
    (comp (ref C6)
      (value 100nF)
      (footprint Capacitor_THT:C_Disc_D5.0mm_W2.5mm_P2.50mm)
      (datasheet ~)
      (libsource (lib Device) (part C) (description "Unpolarized capacitor"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5D98A569))
    (comp (ref R7)
      (value 220R)
      (footprint Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal)
      (datasheet ~)
      (libsource (lib Device) (part R) (description Resistor))
      (sheetpath (names /) (tstamps /))
      (tstamp 5DA44C3B))
    (comp (ref C7)
      (value 10uF)
      (footprint Capacitor_THT:C_Radial_D5.0mm_H11.0mm_P2.00mm)
      (datasheet ~)
      (libsource (lib Device) (part C) (description "Unpolarized capacitor"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5DB38DC1))
    (comp (ref C19)
      (value 100nF)
      (footprint Capacitor_THT:C_Disc_D5.0mm_W2.5mm_P2.50mm)
      (datasheet ~)
      (libsource (lib Device) (part C) (description "Unpolarized capacitor"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5D113BD0))
    (comp (ref C20)
      (value 100nF)
      (footprint Capacitor_THT:C_Disc_D5.0mm_W2.5mm_P2.50mm)
      (datasheet ~)
      (libsource (lib Device) (part C) (description "Unpolarized capacitor"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5D1155DA))
    (comp (ref U13)
      (value 74HC4511)
      (footprint Package_DIP:DIP-16_W7.62mm_Socket)
      (libsource (lib clock) (part 74HC4511) (description ""))
      (sheetpath (names /) (tstamps /))
      (tstamp 5D05B764))
    (comp (ref C24)
      (value 100nF)
      (footprint Capacitor_THT:C_Disc_D5.0mm_W2.5mm_P2.50mm)
      (datasheet ~)
      (libsource (lib Device) (part C) (description "Unpolarized capacitor"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5D3A9551))
    (comp (ref U17)
      (value 74HC4511)
      (footprint Package_DIP:DIP-16_W7.62mm_Socket)
      (libsource (lib clock) (part 74HC4511) (description ""))
      (sheetpath (names /) (tstamps /))
      (tstamp 5D45B0BE))
    (comp (ref U23)
      (value KCSC02-105)
      (footprint Display_7Segment:7SegmentLED_LTS6760_LTS6780)
      (datasheet "http://www.kingbright.com/attachments/file/psearch/000/00/00/KCSC02-105(Ver.9A).pdf")
      (libsource (lib Display_Character) (part KCSC02-105) (description "One digit 7 segment hyper red LED, common cathode"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5D45B144))
    (comp (ref U22)
      (value KCSC02-105)
      (footprint Display_7Segment:7SegmentLED_LTS6760_LTS6780)
      (datasheet "http://www.kingbright.com/attachments/file/psearch/000/00/00/KCSC02-105(Ver.9A).pdf")
      (libsource (lib Display_Character) (part KCSC02-105) (description "One digit 7 segment hyper red LED, common cathode"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5D45B13E))
    (comp (ref RV1)
      (value 500R)
      (footprint Potentiometer_THT:Potentiometer_Bourns_3339P_Vertical_HandSoldering)
      (datasheet ~)
      (libsource (lib Device) (part R_POT_TRIM) (description Trim-potentiometer))
      (sheetpath (names /) (tstamps /))
      (tstamp 610D8243))
    (comp (ref U2)
      (value LD1117V)
      (footprint digikey-footprints:TO-220-3)
      (datasheet http://www.st.com/content/ccc/resource/technical/document/datasheet/99/3b/7d/91/91/51/4b/be/CD00000544.pdf/files/CD00000544.pdf/jcr:content/translations/en.CD00000544.pdf)
      (fields
        (field (name Category) "Integrated Circuits (ICs)")
        (field (name DK_Datasheet_Link) http://www.st.com/content/ccc/resource/technical/document/datasheet/99/3b/7d/91/91/51/4b/be/CD00000544.pdf/files/CD00000544.pdf/jcr:content/translations/en.CD00000544.pdf)
        (field (name DK_Detail_Page) /product-detail/en/stmicroelectronics/LD1117V33/497-1491-5-ND/586012)
        (field (name Description) "IC REG LINEAR 1.8V-5V 800MA TO220AB")
        (field (name Digi-Key_PN) 497-7310-5-ND)
        (field (name Family) "PMIC - Voltage Regulators - Linear")
        (field (name MPN) LD1117V)
        (field (name Manufacturer) STMicroelectronics)
        (field (name Status) Active))
      (libsource (lib clock) (part LD1117V) (description "IC REG LINEAR Adjustable 800MA TO220AB"))
      (sheetpath (names /) (tstamps /))
      (tstamp 611BD3B2))
    (comp (ref RN9)
      (value 150R)
      (footprint Resistor_THT:R_Array_SIP10)
      (datasheet http://www.vishay.com/docs/31509/csc.pdf)
      (libsource (lib Device) (part R_Pack05_SIP) (description "5 resistor network, parallel topology, SIP package"))
      (sheetpath (names /) (tstamps /))
      (tstamp 62771CF0))
    (comp (ref RN1)
      (value 150R)
      (footprint Resistor_THT:R_Array_SIP8)
      (datasheet http://www.vishay.com/docs/31509/csc.pdf)
      (libsource (lib Device) (part R_Pack04_SIP) (description "4 resistor network, parallel topology, SIP package"))
      (sheetpath (names /) (tstamps /))
      (tstamp 627EB60B))
    (comp (ref RN2)
      (value 150R)
      (footprint Resistor_THT:R_Array_SIP8)
      (datasheet http://www.vishay.com/docs/31509/csc.pdf)
      (libsource (lib Device) (part R_Pack04_SIP) (description "4 resistor network, parallel topology, SIP package"))
      (sheetpath (names /) (tstamps /))
      (tstamp 627ECC56))
    (comp (ref RN3)
      (value 150R)
      (footprint Resistor_THT:R_Array_SIP8)
      (datasheet http://www.vishay.com/docs/31509/csc.pdf)
      (libsource (lib Device) (part R_Pack04_SIP) (description "4 resistor network, parallel topology, SIP package"))
      (sheetpath (names /) (tstamps /))
      (tstamp 627ED809))
    (comp (ref RN4)
      (value 150R)
      (footprint Resistor_THT:R_Array_SIP8)
      (datasheet http://www.vishay.com/docs/31509/csc.pdf)
      (libsource (lib Device) (part R_Pack04_SIP) (description "4 resistor network, parallel topology, SIP package"))
      (sheetpath (names /) (tstamps /))
      (tstamp 627EE04A))
    (comp (ref RN10)
      (value 150R)
      (footprint Resistor_THT:R_Array_SIP10)
      (datasheet http://www.vishay.com/docs/31509/csc.pdf)
      (libsource (lib Device) (part R_Pack05_SIP) (description "5 resistor network, parallel topology, SIP package"))
      (sheetpath (names /) (tstamps /))
      (tstamp 62820F5D))
    (comp (ref RN5)
      (value 150R)
      (footprint Resistor_THT:R_Array_SIP8)
      (datasheet http://www.vishay.com/docs/31509/csc.pdf)
      (libsource (lib Device) (part R_Pack04_SIP) (description "4 resistor network, parallel topology, SIP package"))
      (sheetpath (names /) (tstamps /))
      (tstamp 6287AF57))
    (comp (ref RN6)
      (value 150R)
      (footprint Resistor_THT:R_Array_SIP8)
      (datasheet http://www.vishay.com/docs/31509/csc.pdf)
      (libsource (lib Device) (part R_Pack04_SIP) (description "4 resistor network, parallel topology, SIP package"))
      (sheetpath (names /) (tstamps /))
      (tstamp 6287AF61))
    (comp (ref RN7)
      (value 150R)
      (footprint Resistor_THT:R_Array_SIP8)
      (datasheet http://www.vishay.com/docs/31509/csc.pdf)
      (libsource (lib Device) (part R_Pack04_SIP) (description "4 resistor network, parallel topology, SIP package"))
      (sheetpath (names /) (tstamps /))
      (tstamp 6287AF6B))
    (comp (ref RN8)
      (value 150R)
      (footprint Resistor_THT:R_Array_SIP8)
      (datasheet http://www.vishay.com/docs/31509/csc.pdf)
      (libsource (lib Device) (part R_Pack04_SIP) (description "4 resistor network, parallel topology, SIP package"))
      (sheetpath (names /) (tstamps /))
      (tstamp 6287AF75)))
  (libparts
    (libpart (lib Device) (part C)
      (description "Unpolarized capacitor")
      (docs ~)
      (footprints
        (fp C_*))
      (fields
        (field (name Reference) C)
        (field (name Value) C))
      (pins
        (pin (num 1) (name ~) (type passive))
        (pin (num 2) (name ~) (type passive))))
    (libpart (lib Device) (part D)
      (description Diode)
      (docs ~)
      (footprints
        (fp TO-???*)
        (fp *_Diode_*)
        (fp *SingleDiode*)
        (fp D_*))
      (fields
        (field (name Reference) D)
        (field (name Value) D))
      (pins
        (pin (num 1) (name K) (type passive))
        (pin (num 2) (name A) (type passive))))
    (libpart (lib Device) (part R)
      (description Resistor)
      (docs ~)
      (footprints
        (fp R_*))
      (fields
        (field (name Reference) R)
        (field (name Value) R))
      (pins
        (pin (num 1) (name ~) (type passive))
        (pin (num 2) (name ~) (type passive))))
    (libpart (lib Device) (part R_POT_TRIM)
      (description Trim-potentiometer)
      (docs ~)
      (footprints
        (fp Potentiometer*))
      (fields
        (field (name Reference) RV)
        (field (name Value) R_POT_TRIM))
      (pins
        (pin (num 1) (name 1) (type passive))
        (pin (num 2) (name 2) (type passive))
        (pin (num 3) (name 3) (type passive))))
    (libpart (lib Device) (part R_Pack04_SIP)
      (description "4 resistor network, parallel topology, SIP package")
      (docs http://www.vishay.com/docs/31509/csc.pdf)
      (footprints
        (fp R?Array?SIP*))
      (fields
        (field (name Reference) RN)
        (field (name Value) R_Pack04_SIP)
        (field (name Footprint) Resistor_THT:R_Array_SIP8))
      (pins
        (pin (num 1) (name R1.1) (type passive))
        (pin (num 2) (name R1.2) (type passive))
        (pin (num 3) (name R2.1) (type passive))
        (pin (num 4) (name R2.2) (type passive))
        (pin (num 5) (name R3.1) (type passive))
        (pin (num 6) (name R3.2) (type passive))
        (pin (num 7) (name R4.1) (type passive))
        (pin (num 8) (name R4.2) (type passive))))
    (libpart (lib Device) (part R_Pack05_SIP)
      (description "5 resistor network, parallel topology, SIP package")
      (docs http://www.vishay.com/docs/31509/csc.pdf)
      (footprints
        (fp R?Array?SIP*))
      (fields
        (field (name Reference) RN)
        (field (name Value) R_Pack05_SIP)
        (field (name Footprint) Resistor_THT:R_Array_SIP10))
      (pins
        (pin (num 1) (name R1.1) (type passive))
        (pin (num 2) (name R1.2) (type passive))
        (pin (num 3) (name R2.1) (type passive))
        (pin (num 4) (name R2.2) (type passive))
        (pin (num 5) (name R3.1) (type passive))
        (pin (num 6) (name R3.2) (type passive))
        (pin (num 7) (name R4.1) (type passive))
        (pin (num 8) (name R4.2) (type passive))
        (pin (num 9) (name R5.1) (type passive))
        (pin (num 10) (name R5.2) (type passive))))
    (libpart (lib Display_Character) (part KCSC02-105)
      (description "One digit 7 segment hyper red LED, common cathode")
      (docs "http://www.kingbright.com/attachments/file/psearch/000/00/00/KCSC02-105(Ver.9A).pdf")
      (footprints
        (fp *KCSC02*105*))
      (fields
        (field (name Reference) U)
        (field (name Value) KCSC02-105)
        (field (name Footprint) Display_7Segment:KCSC02-105))
      (pins
        (pin (num 1) (name E) (type input))
        (pin (num 2) (name D) (type input))
        (pin (num 3) (name CC) (type input))
        (pin (num 4) (name C) (type input))
        (pin (num 5) (name DP) (type input))
        (pin (num 6) (name B) (type input))
        (pin (num 7) (name A) (type input))
        (pin (num 8) (name CC) (type input))
        (pin (num 9) (name F) (type input))
        (pin (num 10) (name G) (type input))))
    (libpart (lib Sensor_Optical) (part VT93xx)
      (description "light dependent resistor")
      (docs http://www.produktinfo.conrad.com/datenblaetter/125000-149999/140375-da-01-en-FOTOWIDERSTAND__VT_93_N2__THT_.pdf)
      (footprints
        (fp R*LDR*4.9x4.2mm*P2.54mm*))
      (fields
        (field (name Reference) R)
        (field (name Value) VT93xx)
        (field (name Footprint) OptoDevice:R_LDR_4.9x4.2mm_P2.54mm_Vertical))
      (pins
        (pin (num 1) (name ~) (type passive))
        (pin (num 2) (name ~) (type passive))))
    (libpart (lib Switch) (part SW_Push)
      (description "Push button switch, generic, two pins")
      (docs ~)
      (fields
        (field (name Reference) SW)
        (field (name Value) SW_Push))
      (pins
        (pin (num 1) (name 1) (type passive))
        (pin (num 2) (name 2) (type passive))))
    (libpart (lib Transistor_BJT) (part PN2222A)
      (description "1A Ic, 40V Vce, NPN Transistor, General Purpose Transistor, TO-92")
      (docs http://www.fairchildsemi.com/ds/PN/PN2222A.pdf)
      (footprints
        (fp TO?92*))
      (fields
        (field (name Reference) Q)
        (field (name Value) PN2222A)
        (field (name Footprint) Package_TO_SOT_THT:TO-92_Inline))
      (pins
        (pin (num 1) (name E) (type passive))
        (pin (num 2) (name B) (type input))
        (pin (num 3) (name C) (type passive))))
    (libpart (lib clock) (part 74HC08)
      (fields
        (field (name Reference) U)
        (field (name Value) 74HC08))
      (pins
        (pin (num 1) (name 1A) (type input))
        (pin (num 2) (name 1B) (type input))
        (pin (num 3) (name 1Y) (type output))
        (pin (num 4) (name 2A) (type input))
        (pin (num 5) (name 2B) (type input))
        (pin (num 6) (name 2Y) (type output))
        (pin (num 7) (name GND) (type power_in))
        (pin (num 8) (name 3Y) (type output))
        (pin (num 9) (name 3A) (type input))
        (pin (num 10) (name 3B) (type input))
        (pin (num 11) (name 4Y) (type output))
        (pin (num 12) (name 4A) (type input))
        (pin (num 13) (name 4B) (type input))
        (pin (num 14) (name Vcc) (type power_in))))
    (libpart (lib clock) (part 74HC14)
      (fields
        (field (name Reference) U)
        (field (name Value) 74HC14))
      (pins
        (pin (num 1) (name 1A) (type input))
        (pin (num 2) (name 1Y) (type output))
        (pin (num 3) (name 2A) (type input))
        (pin (num 4) (name 2Y) (type output))
        (pin (num 5) (name 3A) (type input))
        (pin (num 6) (name 3Y) (type output))
        (pin (num 7) (name GND) (type power_in))
        (pin (num 8) (name 4Y) (type output))
        (pin (num 9) (name 4A) (type input))
        (pin (num 10) (name 5Y) (type output))
        (pin (num 11) (name 5A) (type input))
        (pin (num 12) (name 6Y) (type output))
        (pin (num 13) (name 6A) (type input))
        (pin (num 14) (name VCC) (type power_in))))
    (libpart (lib clock) (part 74HC157)
      (fields
        (field (name Reference) U)
        (field (name Value) 74HC157))
      (pins
        (pin (num 1) (name S) (type input))
        (pin (num 2) (name 1l0) (type input))
        (pin (num 3) (name 1l1) (type input))
        (pin (num 4) (name 1Y) (type output))
        (pin (num 5) (name 2l0) (type input))
        (pin (num 6) (name 2l1) (type input))
        (pin (num 7) (name 2Y) (type output))
        (pin (num 8) (name GND) (type power_in))
        (pin (num 9) (name 3Y) (type output))
        (pin (num 10) (name 3l1) (type input))
        (pin (num 11) (name 3l0) (type input))
        (pin (num 12) (name 4Y) (type output))
        (pin (num 13) (name 4l1) (type input))
        (pin (num 14) (name 4l0) (type input))
        (pin (num 15) (name ~E) (type input))
        (pin (num 16) (name VCC) (type power_in))))
    (libpart (lib clock) (part 74HC390)
      (fields
        (field (name Reference) U)
        (field (name Value) 74HC390))
      (pins
        (pin (num 1) (name 1~CP~0) (type input))
        (pin (num 2) (name 1MR) (type input))
        (pin (num 3) (name 1Q0) (type output))
        (pin (num 4) (name 1~CP~1) (type input))
        (pin (num 5) (name 1Q1) (type output))
        (pin (num 6) (name 1Q2) (type output))
        (pin (num 7) (name 1Q3) (type output))
        (pin (num 8) (name GND) (type power_in))
        (pin (num 9) (name 2Q3) (type output))
        (pin (num 10) (name 2Q2) (type output))
        (pin (num 11) (name 2Q1) (type output))
        (pin (num 12) (name 2~CP~1) (type input))
        (pin (num 13) (name 2Q0) (type output))
        (pin (num 14) (name 2MR) (type input))
        (pin (num 15) (name 2~CP~1) (type input))
        (pin (num 16) (name Vcc) (type power_in))))
    (libpart (lib clock) (part 74HC4060)
      (fields
        (field (name Reference) U)
        (field (name Value) 74HC4060))
      (pins
        (pin (num 1) (name Q11) (type output))
        (pin (num 2) (name Q12) (type output))
        (pin (num 3) (name Q13) (type output))
        (pin (num 4) (name Q5) (type output))
        (pin (num 5) (name Q4) (type output))
        (pin (num 6) (name Q6) (type output))
        (pin (num 7) (name Q3) (type output))
        (pin (num 8) (name GND) (type power_in))
        (pin (num 9) (name CTC) (type input))
        (pin (num 10) (name RTC) (type input))
        (pin (num 11) (name RS) (type input))
        (pin (num 12) (name MR) (type input))
        (pin (num 13) (name Q8) (type output))
        (pin (num 14) (name Q7) (type output))
        (pin (num 15) (name Q9) (type output))
        (pin (num 16) (name Vcc) (type power_in))))
    (libpart (lib clock) (part 74HC4511)
      (fields
        (field (name Reference) U)
        (field (name Value) 74HC4511))
      (pins
        (pin (num 1) (name B) (type input))
        (pin (num 2) (name C) (type input))
        (pin (num 3) (name ~LT) (type input))
        (pin (num 4) (name ~BI) (type input))
        (pin (num 5) (name ~LE) (type input))
        (pin (num 6) (name D) (type input))
        (pin (num 7) (name A) (type input))
        (pin (num 8) (name GND) (type power_in))
        (pin (num 9) (name e) (type output))
        (pin (num 10) (name d) (type output))
        (pin (num 11) (name c) (type output))
        (pin (num 12) (name b) (type output))
        (pin (num 13) (name a) (type output))
        (pin (num 14) (name g) (type output))
        (pin (num 15) (name f) (type output))
        (pin (num 16) (name Vcc) (type power_in))))
    (libpart (lib clock) (part LD1117V)
      (description "IC REG LINEAR Adjustable 800MA TO220AB")
      (docs http://www.st.com/content/ccc/resource/technical/document/datasheet/99/3b/7d/91/91/51/4b/be/CD00000544.pdf/files/CD00000544.pdf/jcr:content/translations/en.CD00000544.pdf)
      (fields
        (field (name Reference) U)
        (field (name Value) LD1117V)
        (field (name Footprint) digikey-footprints:TO-220-3)
        (field (name Digi-Key_PN) 497-7310-5-ND)
        (field (name MPN) LD1117V)
        (field (name Category) "Integrated Circuits (ICs)")
        (field (name Family) "PMIC - Voltage Regulators - Linear")
        (field (name DK_Datasheet_Link) http://www.st.com/content/ccc/resource/technical/document/datasheet/99/3b/7d/91/91/51/4b/be/CD00000544.pdf/files/CD00000544.pdf/jcr:content/translations/en.CD00000544.pdf)
        (field (name DK_Detail_Page) /product-detail/en/stmicroelectronics/LD1117V33/497-1491-5-ND/586012)
        (field (name Description) "IC REG LINEAR 1.8V-5V 800MA TO220AB")
        (field (name Manufacturer) STMicroelectronics)
        (field (name Status) Active))
      (pins
        (pin (num 1) (name GND) (type power_in))
        (pin (num 2) (name VOUT) (type power_out))
        (pin (num 3) (name VIN) (type power_in))))
    (libpart (lib clock) (part USB-SS-52100-001)
      (description "CONN RCPT USB2.0 TYPEA 4POS R/A")
      (docs https://belfuse.com/resources/drawings/stewartconnector/dr-stw-ss-52100-001.pdf)
      (fields
        (field (name Reference) J)
        (field (name Value) USB-SS-52100-001)
        (field (name Footprint) KiCad:USB_A_Stewart_SS-52100-001_Horizontal)
        (field (name Digi-Key_PN) 380-1412-ND)
        (field (name MPN) SS-52100-001)
        (field (name Category) "Connectors, Interconnects")
        (field (name Family) "USB, DVI, HDMI Connectors")
        (field (name DK_Detail_Page) https://www.digikey.com/product-detail/en/stewart-connector/SS-52100-001/380-1412-ND/7902377)
        (field (name Description) "CONN RCPT USB2.0 TYPEA 4POS R/A")
        (field (name Manufacturer) "Stewart Connector")
        (field (name Status) Active))
      (pins
        (pin (num 1) (name VCC) (type passive))
        (pin (num 2) (name D-) (type passive))
        (pin (num 3) (name D+) (type passive))
        (pin (num 4) (name GND) (type passive))
        (pin (num 5) (name SHELL) (type passive))))
    (libpart (lib dk_Clock-Timing-Programmable-Timers-and-Oscillators) (part NE555P)
      (description "IC OSC SINGLE TIMER 100KHZ 8-DIP")
      (docs http://www.ti.com/general/docs/suppproductinfo.tsp?distId=10&gotoUrl=http%3A%2F%2Fwww.ti.com%2Flit%2Fgpn%2Fne555)
      (fields
        (field (name Reference) U)
        (field (name Value) NE555P)
        (field (name Footprint) digikey-footprints:DIP-8_W7.62mm)
        (field (name Datasheet) http://www.ti.com/general/docs/suppproductinfo.tsp?distId=10&gotoUrl=http%3A%2F%2Fwww.ti.com%2Flit%2Fgpn%2Fne555)
        (field (name Digi-Key_PN) 296-1411-5-ND)
        (field (name MPN) NE555P)
        (field (name Category) "Integrated Circuits (ICs)")
        (field (name Family) "Clock/Timing - Programmable Timers and Oscillators")
        (field (name DK_Datasheet_Link) http://www.ti.com/general/docs/suppproductinfo.tsp?distId=10&gotoUrl=http%3A%2F%2Fwww.ti.com%2Flit%2Fgpn%2Fne555)
        (field (name DK_Detail_Page) /product-detail/en/texas-instruments/NE555P/296-1411-5-ND/277057)
        (field (name Description) "IC OSC SINGLE TIMER 100KHZ 8-DIP")
        (field (name Manufacturer) "Texas Instruments")
        (field (name Status) Active))
      (pins
        (pin (num 1) (name GND) (type power_in))
        (pin (num 2) (name TRIG) (type input))
        (pin (num 3) (name OUT) (type output))
        (pin (num 4) (name RESET) (type input))
        (pin (num 5) (name CONT) (type BiDi))
        (pin (num 6) (name THRES) (type input))
        (pin (num 7) (name DISCH) (type output))
        (pin (num 8) (name VCC) (type power_in))))
    (libpart (lib dk_Crystals) (part ECS-_327-12_5-34B-TR)
      (description "CRYSTAL 32.7680KHZ 12.5PF SMD")
      (docs http://www.ecsxtal.com/store/pdf/ecx-31b.pdf)
      (fields
        (field (name Reference) XTAL)
        (field (name Value) ECS-_327-12_5-34B-TR)
        (field (name Footprint) digikey-footprints:SMD-2_3.2x1.5mm)
        (field (name Datasheet) http://www.ecsxtal.com/store/pdf/ecx-31b.pdf)
        (field (name Digi-Key_PN) XC1617CT-ND)
        (field (name MPN) ECS-.327-12.5-34B-TR)
        (field (name Category) "Crystals, Oscillators, Resonators")
        (field (name Family) Crystals)
        (field (name DK_Datasheet_Link) http://www.ecsxtal.com/store/pdf/ecx-31b.pdf)
        (field (name DK_Detail_Page) /product-detail/en/ecs-inc/ECS-.327-12.5-34B-TR/XC1617CT-ND/1693786)
        (field (name Description) "CRYSTAL 32.7680KHZ 12.5PF SMD")
        (field (name Manufacturer) "ECS Inc.")
        (field (name Status) Active))
      (pins
        (pin (num 1) (name ~) (type BiDi))
        (pin (num 2) (name ~) (type BiDi))))
    (libpart (lib dk_Logic-Flip-Flops) (part SN74HC74N)
      (description "IC FF D-TYPE DUAL 1BIT 14DIP")
      (docs http://www.ti.com/general/docs/suppproductinfo.tsp?distId=10&gotoUrl=http%3A%2F%2Fwww.ti.com%2Flit%2Fgpn%2Fsn74hc74)
      (fields
        (field (name Reference) U)
        (field (name Value) SN74HC74N)
        (field (name Footprint) digikey-footprints:DIP-14_W3mm)
        (field (name Datasheet) http://www.ti.com/general/docs/suppproductinfo.tsp?distId=10&gotoUrl=http%3A%2F%2Fwww.ti.com%2Flit%2Fgpn%2Fsn74hc74)
        (field (name Digi-Key_PN) 296-1602-5-ND)
        (field (name MPN) SN74HC74N)
        (field (name Category) "Integrated Circuits (ICs)")
        (field (name Family) "Logic - Flip Flops")
        (field (name DK_Datasheet_Link) http://www.ti.com/general/docs/suppproductinfo.tsp?distId=10&gotoUrl=http%3A%2F%2Fwww.ti.com%2Flit%2Fgpn%2Fsn74hc74)
        (field (name DK_Detail_Page) /product-detail/en/texas-instruments/SN74HC74N/296-1602-5-ND/277248)
        (field (name Description) "IC FF D-TYPE DUAL 1BIT 14DIP")
        (field (name Manufacturer) "Texas Instruments")
        (field (name Status) Active))
      (pins
        (pin (num 1) (name 1~CLR) (type input))
        (pin (num 2) (name 1D) (type input))
        (pin (num 3) (name 1CLK) (type input))
        (pin (num 4) (name 1~PRE) (type input))
        (pin (num 5) (name 1Q) (type output))
        (pin (num 6) (name 1~Q) (type output))
        (pin (num 7) (name GND) (type power_in))
        (pin (num 8) (name 2~Q) (type output))
        (pin (num 9) (name 2Q) (type output))
        (pin (num 10) (name 2~PRE) (type input))
        (pin (num 11) (name 2CLK) (type input))
        (pin (num 12) (name 2D) (type input))
        (pin (num 13) (name 2~CLR) (type input))
        (pin (num 14) (name VCC) (type power_in)))))
  (libraries
    (library (logical Device)
      (uri "/Library/Application Support/kicad/library/Device.lib"))
    (library (logical Display_Character)
      (uri "/Library/Application Support/kicad/library/Display_Character.lib"))
    (library (logical Sensor_Optical)
      (uri "/Library/Application Support/kicad/library/Sensor_Optical.lib"))
    (library (logical Switch)
      (uri "/Library/Application Support/kicad/library/Switch.lib"))
    (library (logical Transistor_BJT)
      (uri "/Library/Application Support/kicad/library/Transistor_BJT.lib"))
    (library (logical clock)
      (uri /Users/evzijst/work/electronics/clock/kicad/clock.lib))
    (library (logical dk_Clock-Timing-Programmable-Timers-and-Oscillators)
      (uri /Users/evzijst/work/digikey-kicad-library-master/digikey-symbols/dk_Clock-Timing-Programmable-Timers-and-Oscillators.lib))
    (library (logical dk_Crystals)
      (uri /Users/evzijst/work/digikey-kicad-library-master/digikey-symbols/dk_Crystals.lib))
    (library (logical dk_Logic-Flip-Flops)
      (uri /Users/evzijst/work/digikey-kicad-library-master/digikey-symbols/dk_Logic-Flip-Flops.lib)))
  (nets
    (net (code 1) (name "Net-(R3-Pad2)")
      (node (ref R4) (pin 1))
      (node (ref R3) (pin 2))
      (node (ref U1) (pin 10)))
    (net (code 2) (name "Net-(C2-Pad1)")
      (node (ref R4) (pin 2))
      (node (ref C2) (pin 1))
      (node (ref XTAL1) (pin 1))
      (node (ref U1) (pin 11)))
    (net (code 3) (name "Net-(C1-Pad2)")
      (node (ref R3) (pin 1))
      (node (ref C1) (pin 2))
      (node (ref XTAL1) (pin 2)))
    (net (code 4) (name "Net-(U1-Pad3)")
      (node (ref U5) (pin 3))
      (node (ref U1) (pin 3)))
    (net (code 5) (name VCC)
      (node (ref U1) (pin 16))
      (node (ref SW1) (pin 1))
      (node (ref C3) (pin 1))
      (node (ref C4) (pin 1))
      (node (ref U4) (pin 16))
      (node (ref SW3) (pin 1))
      (node (ref SW2) (pin 1))
      (node (ref U3) (pin 14))
      (node (ref U5) (pin 14))
      (node (ref C5) (pin 1))
      (node (ref C14) (pin 1))
      (node (ref C15) (pin 1))
      (node (ref C21) (pin 1))
      (node (ref C16) (pin 1))
      (node (ref C22) (pin 1))
      (node (ref C8) (pin 1))
      (node (ref U5) (pin 4))
      (node (ref C10) (pin 1))
      (node (ref C18) (pin 1))
      (node (ref C23) (pin 1))
      (node (ref U5) (pin 1))
      (node (ref C13) (pin 2))
      (node (ref U10) (pin 16))
      (node (ref U6) (pin 16))
      (node (ref U16) (pin 4))
      (node (ref U16) (pin 3))
      (node (ref U16) (pin 16))
      (node (ref C17) (pin 1))
      (node (ref U9) (pin 14))
      (node (ref R10) (pin 1))
      (node (ref C9) (pin 1))
      (node (ref U11) (pin 4))
      (node (ref U11) (pin 8))
      (node (ref U7) (pin 14))
      (node (ref R7) (pin 1))
      (node (ref C7) (pin 1))
      (node (ref C19) (pin 1))
      (node (ref U12) (pin 16))
      (node (ref U12) (pin 3))
      (node (ref U12) (pin 4))
      (node (ref C20) (pin 1))
      (node (ref U13) (pin 16))
      (node (ref U13) (pin 3))
      (node (ref U13) (pin 4))
      (node (ref U15) (pin 4))
      (node (ref U15) (pin 3))
      (node (ref U15) (pin 16))
      (node (ref U14) (pin 4))
      (node (ref U14) (pin 3))
      (node (ref U14) (pin 16))
      (node (ref C24) (pin 1))
      (node (ref U8) (pin 16))
      (node (ref U17) (pin 16))
      (node (ref U17) (pin 3))
      (node (ref U17) (pin 4))
      (node (ref U2) (pin 2)))
    (net (code 6) (name "Net-(U5-Pad5)")
      (node (ref U5) (pin 5)))
    (net (code 7) (name "Net-(U5-Pad8)")
      (node (ref U5) (pin 8)))
    (net (code 8) (name "Net-(U5-Pad9)")
      (node (ref U5) (pin 9)))
    (net (code 9) (name "Net-(U5-Pad10)")
      (node (ref U5) (pin 10)))
    (net (code 10) (name "Net-(U5-Pad11)")
      (node (ref U5) (pin 11)))
    (net (code 11) (name "Net-(U5-Pad12)")
      (node (ref U5) (pin 12)))
    (net (code 12) (name "Net-(U5-Pad13)")
      (node (ref U5) (pin 13)))
    (net (code 13) (name "Net-(U1-Pad1)")
      (node (ref U1) (pin 1)))
    (net (code 14) (name "Net-(U1-Pad13)")
      (node (ref U1) (pin 13)))
    (net (code 15) (name "Net-(U1-Pad14)")
      (node (ref U1) (pin 14)))
    (net (code 16) (name "Net-(U1-Pad15)")
      (node (ref U1) (pin 15)))
    (net (code 17) (name "Net-(U1-Pad2)")
      (node (ref U1) (pin 2)))
    (net (code 18) (name "Net-(U1-Pad4)")
      (node (ref U1) (pin 4)))
    (net (code 19) (name "Net-(U1-Pad5)")
      (node (ref U1) (pin 5)))
    (net (code 20) (name "Net-(U1-Pad6)")
      (node (ref U1) (pin 6)))
    (net (code 21) (name "Net-(U1-Pad7)")
      (node (ref U1) (pin 7)))
    (net (code 22) (name "Net-(U1-Pad9)")
      (node (ref U1) (pin 9)))
    (net (code 23) (name GND)
      (node (ref U8) (pin 2))
      (node (ref C24) (pin 2))
      (node (ref U4) (pin 8))
      (node (ref R6) (pin 1))
      (node (ref U8) (pin 8))
      (node (ref U14) (pin 5))
      (node (ref U14) (pin 8))
      (node (ref C5) (pin 2))
      (node (ref C14) (pin 2))
      (node (ref U15) (pin 5))
      (node (ref U13) (pin 8))
      (node (ref U15) (pin 8))
      (node (ref U13) (pin 5))
      (node (ref C15) (pin 2))
      (node (ref R5) (pin 1))
      (node (ref C21) (pin 2))
      (node (ref C16) (pin 2))
      (node (ref U5) (pin 7))
      (node (ref C22) (pin 2))
      (node (ref C20) (pin 2))
      (node (ref U4) (pin 10))
      (node (ref C8) (pin 2))
      (node (ref U12) (pin 8))
      (node (ref U12) (pin 5))
      (node (ref C19) (pin 2))
      (node (ref C10) (pin 2))
      (node (ref C7) (pin 2))
      (node (ref C18) (pin 2))
      (node (ref C6) (pin 2))
      (node (ref U7) (pin 7))
      (node (ref C23) (pin 2))
      (node (ref U1) (pin 8))
      (node (ref U10) (pin 8))
      (node (ref U11) (pin 1))
      (node (ref C12) (pin 2))
      (node (ref C9) (pin 2))
      (node (ref U4) (pin 15))
      (node (ref U4) (pin 14))
      (node (ref U1) (pin 12))
      (node (ref U4) (pin 13))
      (node (ref U17) (pin 2))
      (node (ref C13) (pin 1))
      (node (ref C1) (pin 1))
      (node (ref U9) (pin 10))
      (node (ref Q1) (pin 1))
      (node (ref U9) (pin 12))
      (node (ref U9) (pin 13))
      (node (ref U4) (pin 11))
      (node (ref U17) (pin 5))
      (node (ref U17) (pin 6))
      (node (ref U17) (pin 8))
      (node (ref RV1) (pin 2))
      (node (ref U9) (pin 7))
      (node (ref RV1) (pin 3))
      (node (ref U9) (pin 9))
      (node (ref C17) (pin 2))
      (node (ref C11) (pin 2))
      (node (ref C2) (pin 2))
      (node (ref U6) (pin 8))
      (node (ref J1) (pin 5))
      (node (ref U3) (pin 1))
      (node (ref U16) (pin 5))
      (node (ref J1) (pin 4))
      (node (ref U16) (pin 8))
      (node (ref U6) (pin 2))
      (node (ref U3) (pin 7)))
    (net (code 24) (name "Net-(U5-Pad2)")
      (node (ref U5) (pin 6))
      (node (ref U5) (pin 2))
      (node (ref U6) (pin 1)))
    (net (code 25) (name "Net-(U12-Pad7)")
      (node (ref U7) (pin 2))
      (node (ref U6) (pin 4))
      (node (ref U12) (pin 7))
      (node (ref U6) (pin 3)))
    (net (code 26) (name "Net-(U12-Pad1)")
      (node (ref U6) (pin 5))
      (node (ref U12) (pin 1)))
    (net (code 27) (name "Net-(U12-Pad2)")
      (node (ref U6) (pin 6))
      (node (ref U12) (pin 2)))
    (net (code 28) (name "Net-(RN2-Pad3)")
      (node (ref U12) (pin 10))
      (node (ref RN2) (pin 3)))
    (net (code 29) (name "Net-(RN1-Pad3)")
      (node (ref RN1) (pin 3))
      (node (ref U12) (pin 11)))
    (net (code 30) (name "Net-(RN2-Pad5)")
      (node (ref RN2) (pin 5))
      (node (ref U12) (pin 12)))
    (net (code 31) (name "Net-(RN1-Pad5)")
      (node (ref RN1) (pin 5))
      (node (ref U12) (pin 13)))
    (net (code 32) (name "Net-(RN2-Pad7)")
      (node (ref RN2) (pin 7))
      (node (ref U12) (pin 14)))
    (net (code 33) (name "Net-(RN1-Pad7)")
      (node (ref RN1) (pin 7))
      (node (ref U12) (pin 15)))
    (net (code 34) (name "Net-(RN1-Pad1)")
      (node (ref U12) (pin 9))
      (node (ref RN1) (pin 1)))
    (net (code 35) (name "Net-(U12-Pad6)")
      (node (ref U12) (pin 6))
      (node (ref U6) (pin 7))
      (node (ref U7) (pin 1)))
    (net (code 36) (name "Net-(U6-Pad15)")
      (node (ref U7) (pin 3))
      (node (ref U6) (pin 15)))
    (net (code 37) (name "Net-(U18-Pad5)")
      (node (ref U18) (pin 5)))
    (net (code 38) (name "Net-(U19-Pad5)")
      (node (ref U19) (pin 5)))
    (net (code 39) (name "Net-(U15-Pad2)")
      (node (ref U8) (pin 10))
      (node (ref U7) (pin 13))
      (node (ref U15) (pin 2)))
    (net (code 40) (name "Net-(U15-Pad1)")
      (node (ref U7) (pin 12))
      (node (ref U8) (pin 11))
      (node (ref U15) (pin 1)))
    (net (code 41) (name "Net-(U15-Pad7)")
      (node (ref U8) (pin 12))
      (node (ref U8) (pin 13))
      (node (ref U15) (pin 7)))
    (net (code 42) (name "Net-(U14-Pad7)")
      (node (ref U14) (pin 7))
      (node (ref U7) (pin 9))
      (node (ref U8) (pin 4))
      (node (ref U8) (pin 3)))
    (net (code 43) (name "Net-(U14-Pad1)")
      (node (ref U8) (pin 5))
      (node (ref U14) (pin 1)))
    (net (code 44) (name "Net-(U14-Pad2)")
      (node (ref U14) (pin 2))
      (node (ref U8) (pin 6)))
    (net (code 45) (name "Net-(U14-Pad6)")
      (node (ref U7) (pin 10))
      (node (ref U8) (pin 7))
      (node (ref U14) (pin 6)))
    (net (code 46) (name "Net-(U15-Pad6)")
      (node (ref U15) (pin 6))
      (node (ref U8) (pin 9)))
    (net (code 47) (name "Net-(RN9-Pad7)")
      (node (ref RN9) (pin 7))
      (node (ref U14) (pin 10)))
    (net (code 48) (name "Net-(RN10-Pad7)")
      (node (ref RN10) (pin 7))
      (node (ref U14) (pin 11)))
    (net (code 49) (name "Net-(RN9-Pad9)")
      (node (ref U14) (pin 12))
      (node (ref RN9) (pin 9)))
    (net (code 50) (name "Net-(RN10-Pad9)")
      (node (ref U14) (pin 13))
      (node (ref RN10) (pin 9)))
    (net (code 51) (name "Net-(RN3-Pad1)")
      (node (ref U14) (pin 14))
      (node (ref RN3) (pin 1)))
    (net (code 52) (name "Net-(RN4-Pad1)")
      (node (ref U14) (pin 15))
      (node (ref RN4) (pin 1)))
    (net (code 53) (name "Net-(RN10-Pad5)")
      (node (ref U14) (pin 9))
      (node (ref RN10) (pin 5)))
    (net (code 54) (name "Net-(RN6-Pad7)")
      (node (ref RN6) (pin 7))
      (node (ref U15) (pin 10)))
    (net (code 55) (name "Net-(RN9-Pad1)")
      (node (ref RN9) (pin 1))
      (node (ref U15) (pin 11)))
    (net (code 56) (name "Net-(RN10-Pad1)")
      (node (ref U15) (pin 12))
      (node (ref RN10) (pin 1)))
    (net (code 57) (name "Net-(RN9-Pad3)")
      (node (ref RN9) (pin 3))
      (node (ref U15) (pin 13)))
    (net (code 58) (name "Net-(RN10-Pad3)")
      (node (ref U15) (pin 14))
      (node (ref RN10) (pin 3)))
    (net (code 59) (name "Net-(RN9-Pad5)")
      (node (ref U15) (pin 15))
      (node (ref RN9) (pin 5)))
    (net (code 60) (name "Net-(RN5-Pad7)")
      (node (ref RN5) (pin 7))
      (node (ref U15) (pin 9)))
    (net (code 61) (name "Net-(U20-Pad5)")
      (node (ref U20) (pin 5)))
    (net (code 62) (name "Net-(U21-Pad5)")
      (node (ref U21) (pin 5)))
    (net (code 63) (name "Net-(U7-Pad8)")
      (node (ref U7) (pin 8))
      (node (ref U8) (pin 15)))
    (net (code 64) (name "Net-(U9-Pad11)")
      (node (ref U9) (pin 11)))
    (net (code 65) (name "Net-(U10-Pad15)")
      (node (ref U9) (pin 6))
      (node (ref U10) (pin 15)))
    (net (code 66) (name "Net-(U9-Pad8)")
      (node (ref U9) (pin 8)))
    (net (code 67) (name "Net-(RN5-Pad1)")
      (node (ref U16) (pin 10))
      (node (ref RN5) (pin 1)))
    (net (code 68) (name "Net-(RN6-Pad1)")
      (node (ref RN6) (pin 1))
      (node (ref U16) (pin 11)))
    (net (code 69) (name "Net-(RN5-Pad3)")
      (node (ref RN5) (pin 3))
      (node (ref U16) (pin 12)))
    (net (code 70) (name "Net-(RN6-Pad3)")
      (node (ref U16) (pin 13))
      (node (ref RN6) (pin 3)))
    (net (code 71) (name "Net-(RN5-Pad5)")
      (node (ref U16) (pin 14))
      (node (ref RN5) (pin 5)))
    (net (code 72) (name "Net-(RN6-Pad5)")
      (node (ref U16) (pin 15))
      (node (ref RN6) (pin 5)))
    (net (code 73) (name "Net-(RN8-Pad7)")
      (node (ref RN8) (pin 7))
      (node (ref U16) (pin 9)))
    (net (code 74) (name "Net-(U10-Pad6)")
      (node (ref U9) (pin 2))
      (node (ref U16) (pin 2))
      (node (ref U10) (pin 6)))
    (net (code 75) (name "Net-(U10-Pad10)")
      (node (ref U10) (pin 10)))
    (net (code 76) (name "Net-(U10-Pad9)")
      (node (ref U10) (pin 9)))
    (net (code 77) (name "Net-(U10-Pad5)")
      (node (ref U16) (pin 1))
      (node (ref U10) (pin 5)))
    (net (code 78) (name "Net-(U10-Pad3)")
      (node (ref U16) (pin 7))
      (node (ref U10) (pin 3))
      (node (ref U10) (pin 4))
      (node (ref U9) (pin 4)))
    (net (code 79) (name "Net-(U10-Pad7)")
      (node (ref U10) (pin 7))
      (node (ref U9) (pin 5))
      (node (ref U16) (pin 6)))
    (net (code 80) (name "Net-(U10-Pad14)")
      (node (ref U9) (pin 3))
      (node (ref U10) (pin 2))
      (node (ref U10) (pin 14)))
    (net (code 81) (name "Net-(SW3-Pad2)")
      (node (ref U3) (pin 13))
      (node (ref SW3) (pin 2)))
    (net (code 82) (name "Net-(D2-Pad1)")
      (node (ref R2) (pin 1))
      (node (ref R6) (pin 2))
      (node (ref SW2) (pin 2))
      (node (ref D2) (pin 1)))
    (net (code 83) (name "Net-(D1-Pad1)")
      (node (ref R1) (pin 1))
      (node (ref R5) (pin 2))
      (node (ref SW1) (pin 2))
      (node (ref D1) (pin 1)))
    (net (code 84) (name "Net-(U3-Pad12)")
      (node (ref U4) (pin 1))
      (node (ref U3) (pin 12)))
    (net (code 85) (name "Net-(U4-Pad12)")
      (node (ref U4) (pin 12)))
    (net (code 86) (name "Net-(U3-Pad6)")
      (node (ref U4) (pin 3))
      (node (ref U3) (pin 6)))
    (net (code 87) (name "Net-(U4-Pad4)")
      (node (ref U4) (pin 4))
      (node (ref U8) (pin 1)))
    (net (code 88) (name "Net-(U3-Pad8)")
      (node (ref U4) (pin 5))
      (node (ref U3) (pin 8)))
    (net (code 89) (name "Net-(U10-Pad1)")
      (node (ref U4) (pin 7))
      (node (ref U10) (pin 1)))
    (net (code 90) (name "Net-(U4-Pad9)")
      (node (ref U4) (pin 9)))
    (net (code 91) (name "Net-(U3-Pad2)")
      (node (ref U3) (pin 2)))
    (net (code 92) (name "Net-(C4-Pad2)")
      (node (ref C4) (pin 2))
      (node (ref D2) (pin 2))
      (node (ref R2) (pin 2))
      (node (ref U3) (pin 11)))
    (net (code 93) (name "Net-(C3-Pad2)")
      (node (ref U3) (pin 9))
      (node (ref D1) (pin 2))
      (node (ref C3) (pin 2))
      (node (ref R1) (pin 2)))
    (net (code 94) (name "Net-(U3-Pad10)")
      (node (ref U3) (pin 10))
      (node (ref U4) (pin 2)))
    (net (code 95) (name "Net-(U3-Pad3)")
      (node (ref U3) (pin 3))
      (node (ref U7) (pin 11))
      (node (ref U8) (pin 14)))
    (net (code 96) (name "Net-(U3-Pad4)")
      (node (ref U4) (pin 6))
      (node (ref U3) (pin 4)))
    (net (code 97) (name "Net-(J1-Pad3)")
      (node (ref J1) (pin 3)))
    (net (code 98) (name "Net-(J1-Pad2)")
      (node (ref J1) (pin 2)))
    (net (code 99) (name "Net-(C12-Pad1)")
      (node (ref C12) (pin 1))
      (node (ref U11) (pin 5)))
    (net (code 100) (name "Net-(C11-Pad1)")
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      (node (ref U23) (pin 6))
      (node (ref RN8) (pin 4)))
    (net (code 171) (name "Net-(RN8-Pad6)")
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      (node (ref RN8) (pin 6)))
    (net (code 172) (name "Net-(RN8-Pad8)")
      (node (ref U22) (pin 1))
      (node (ref RN8) (pin 8)))))