4 open source boards using the 74S04
Real designs built with the 74S04, 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.
CGA Redux
hkzlab
337.6 × 105.7 mm168 parts4LCC-BY-NC-4.056
Northstar HD-5
abzman
190.6 × 172.4 mm154 parts2LUnlicense4
ADV-16 CPU
228.1 × 172.7 mm111 parts2LUnlicense4
8088 ram card - revB
140.2 × 52.1 mm40 parts2LUnlicense4
The 74S04 in open source designs
The gallery holds 4 open source boards using the 74S04 from 2 GitHub repositories; a typical one measures about 209.4 × 139.1 mm and carries around 133 components.
75% are two-layer designs, the rest use four layers or more, and 75% carry an open source license.
The most starred is CGA Redux by hkzlab.
Parts used alongside the 74S04
What boards using the 74S04 are built for
74S04: common questions
Where can I find a 74S04 reference design?
Each of the 4 boards on this page is a real design using the 74S04. Open one to see how it is wired up, with the full BOM, a render of the layout and links to its KiCad files.
What parts are used alongside the 74S04?
The 74LS00, 74LS04, 74LS174, 74LS244 and 74LS273 appear in the most repositories here.
How big is a typical board using the 74S04?
The median is 209.4 × 139.1 mm, and 75% are two-layer designs.
What is the most popular open source board using the 74S04?
By GitHub stars, CGA Redux by hkzlab, with 56 stars.
Can I simulate one of these boards using the 74S04 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.