6 open source boards using the 74x04
Real designs built with the 74x04, from public GitHub projects: a quick way to see how others power, decouple and connect it. Each board comes with its KiCad files, full parts list and a render — and you can simulate its firmware on HardLabs.
Controller
DutchMaker
191.1 × 114.3 mm60 parts2LNo license23
Main-Board
286.4 × 484.5 mm58 parts2LNo license23
Clock
76.2 × 68.6 mm38 parts2LNo license23
ALU
132.1 × 86.4 mm30 parts2LNo license23
Memory
149.2 × 86.4 mm29 parts2LNo license23
Flags-Register
76.2 × 55.9 mm16 parts2LNo license23
The 74x04 in open source designs
The gallery holds 6 open source boards using the 74x04 from 1 GitHub repository; a typical one measures about 140.7 × 86.4 mm and carries around 34 components.
100% are two-layer designs, the rest use four layers or more, and 0% carry an open source license.
The most starred is Controller by DutchMaker.
74x04: common questions
Where can I find a 74x04 reference design?
Each of the 6 boards on this page is a real design using the 74x04. Open one to see how it is wired up, with the full BOM, a render of the layout and links to its KiCad files.
How big is a typical board using the 74x04?
The median is 140.7 × 86.4 mm, and 100% are two-layer designs.
What is the most popular open source board using the 74x04?
By GitHub stars, Controller by DutchMaker, with 23 stars.
Can I simulate one of these boards using the 74x04 before building it?
Yes. HardLabs turns a board's netlist and BOM into a working simulation, so you can boot and test firmware against it with no hardware on your desk.