Boards using the SN74HC74N

9 boards

Boards in 9 GitHub repositories, designed in KiCad, that use the SN74HC74N by Texas Instruments (-40℃~+85℃ 0ns 1 2 21ns 2V~6V 30ns@6V,50pF 3pF 4uA 5.2mA 5.2mA 60MHz 74HC Series Complementary D-Type Rising Edge Set and Reset DIP-14 Flip Flops ROHS). See how each wires it, with its parts, size, README and files; the SN74HC74N’s symbol, footprint and pinout are on its own page.

2 layers152.9 × 74.9 mm
Clock
erikvanzijst/clock
24H digital quartz clock from scratch
82 parts21
2 layers119.6 × 123.9 mm
Cpc6128 rom board
bmpc/amstrad_cpc6128_romboard
A ROM Board for the Amstrad CPC 6128 capable of loading two expansion ROMs simultaneously from an SD card.
44 parts6
2 layers80 × 90 mm
Pico datalogger
bablokb/pcb-datalogger-v1
Pico board for data-logging with power-management and micro-sd storage
37 partsCC-BY-SA-4.0
2 layers56 × 70 mm
Pico datalogger v2
bablokb/pcb-datalogger-v2
Pico board for data-logging with power-management and XTSD storage
41 partsCC-BY-SA-4.0
2 layers53.1 × 61.5 mm
Pico app base
bablokb/pcb-pico-app-base
Generic application base PCB for the Raspberry Pi Pico(W)
41 partsCC-BY-SA-4.0
2 layers105.5 × 99.6 mm
TTL Logic Clock revA
hshah89/TTL_Logic_Clock_revA

94 parts
2 layers98 × 56 mm
Picowater
locked/picowater
cmake -DPICOBOARD=picow -DWIFISSID=" " -DWIFIPASSWORD=" " -DSERVERIP=" " -DSERVERPORT= ..
56 parts
2 layers170 × 105 mm
Ssio check
paulbruneau/ssio-check
A bench tester for the Bally/Midway MCR Sound I/O family: the 90908 Sound I/O and the 90913 / 91483 / 91657 Super Sound I/O (Z80, two AY-3-8910s, and all of the game's input ports).
72 parts
2 layers50.2 × 69.8 mm
Zx50 Clock Mezzanine
mmosko/Zx50
This is the primary CPU board for the Zx50 8-slot passive backplane system. It hosts the Z80 microprocessor (running at 5 MHz to 10 MHz) and acts as the master controller for the primary bus.
22 parts