Boards using the 74HC74D

235 boards

Boards in 166 GitHub repositories, designed in KiCad, that use the 74HC74D by Nexperia (-40℃~+125℃ 1 15ns 2 2V~6V 3.5pF 37ns@6V,50pF 3ns、3ns、3ns 40uA 5.2mA 5.2mA 74HC Series 82MHz Asynchronous Complementary D-Type Rising Edge Set and Reset SOIC-14 Flip Flops ROHS). See how each wires it, with its parts, size, README and files; the 74HC74D’s symbol, footprint and pinout are on its own page.

2 layers50.5 × 128.5 mm
OpenThereminV45
GaudiLabs/OpenThereminV4
Open Source Theremin Instrument
107 parts249GPL-3.0
2 layers99.9 × 99.9 mm
Easy z80
skiselev/easy_z80
An easy to build Zilog Z80 based single board computer
61 parts180GPL-3.0
2 layers138 × 96.9 mm
ISA Card
AkBKukU/CM153-Repro
A reproduction of the Philips CM-153 LMSI controller
161 parts145
2 layers88.9 × 98.4 mm
Kickstart switcher-12up
keirf/pcb-projects
The old Kickstart switcher documentation is here.
197 parts108CC0-1.0
2 layers70 × 85 mm
1bit CPU
naoto64/1bit-CPU
1bit CPU using 74HC series logic IC.
38 parts91MIT
2 layers83.8 × 60.8 mm
Cart FeRAM
soniccd123/Genesis-FeRAM-Cart
A open Sega Genesis cartridge PCB
16 parts89
4 layers184.2 × 169.5 mm
SB mini II
simonboak/SB-mini-II
A homebrewed Apple II clone
97 parts76MIT
2 layers116.2 × 79.2 mm
SNES Advanced UV 1-0 new
MouseBiteLabs/Super-Nintendo-Cartridges
A collection of Super Nintendo cartridge circuit boards
66 parts70CC-BY-SA-4.0
4 layers69 × 74 mm
Shield
imihajlow/ethernet-to-spi
An Ethernet to SPI converter using 7400-series ICs
60 parts69
2 layers216 × 150 mm
Motherboard-101
artemisamsx/artemisa
Schematics, PCB designs and HDL simulations to build a 8-bits MSX computer
124 parts67
2 layers149.9 × 99.5 mm
Megafrank
rh1tech/frank
RP2350 Based Hardware Emulation Platform
262 parts66GPL-3.0
4 layers152.4 × 64.8 mm
Breakout
adrienkohlbecker/BB816
A homebrew 16 bit breadboard computer based on WDC's 65C816 processor
83 parts52
4 layers276.9 × 172.7 mm
Simplevideo
gfoot/compvideo6502
Composite/component video output for homebrew 6502 computers
65 parts36Unlicense
2 layers159.5 × 99.8 mm
M68kcomp1
jtsiomb/m68kcomputer
Homebrew Motorola 68010 computer
55 parts32CC-BY-SA-4.0
2 layers177.8 × 130.8 mm
Durango
zuiko21/minimOS
Scalable OS for 6502/65816
159 parts23MIT
2 layers208 × 110 mm
8 16 computer 2
halfburnttoast/TCPU816-v1
Version 1.1 of my 8-bit, TTL computer.
120 parts21
2 layers69.8 × 31.8 mm
Gen to pce
rattboi/gen-to-pce-controller-adapter
Simple Genesis 3-button to PC-Engine adapter ============================================
13 parts20
2 layers100 × 80 mm
Cwtrx
hmatuschek/cwtrx
Multiband QRP CW TRX based on the QCX
137 parts19
2 layers335 × 218.6 mm
MSX Goauld
leomanes/stargate
Stargate MSX Compatible Computer
298 parts18GPL-3.0
2 layers83.8 × 61 mm
Genesis Advanced UV 1-1
MouseBiteLabs/Genesis-Cartridges
A collection of Genesis/Mega Drive cartridge circuit boards
53 parts16CC-BY-SA-4.0
4 layers100 × 100 mm
74HCT6526
dmolinagarcia/74HCT6526
74HCT6526
93 parts14
2 layers178 × 711 mm
MSAP-2 rev.A SMD
mehrantsi/MSAP-2
An 8-bit computer. Successor to MSAP-1
658 parts13MIT
2 layers70.2 × 57 mm
SAR ADC
iic-jku/gf180mcu-jku-projects
This wafer.space tapeout includes various projects from the IICQC at JKU and a TinyWhisper RISC-V from JMU.
25 parts11
2 layers152.4 × 162.6 mm
VGA
GeraKuznetsov/M68K-MBC
A M68k Multi-Board Computer design. The design basics is as follows: 1) A backplane PCB contains the majority of the bus, such as the address and data lines. 2) Cards slot into the backplane.
143 parts10