2 open source boards using the 74123
Real designs built with the 74123, 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.
Retro
bytemind-dev
340.4 × 215.9 mm382 parts4LNo license7- schematic only · 58 parts
Data-Specialties-SRP-3075
jnpastin
58 partsGPL-3.00
The 74123 in open source designs
The gallery holds 2 open source boards using the 74123 from 2 GitHub repositories; a typical one measures about 340.4 × 215.9 mm and carries around 220 components.
100% use four copper layers or more, and 50% carry an open source license.
The most starred is Retro by bytemind-dev.
Parts used alongside the 74123
What boards using the 74123 are built for
74123: common questions
Where can I find a 74123 reference design?
Each of the 2 boards on this page is a real design using the 74123. 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 74123?
The median is 340.4 × 215.9 mm, and 0% are two-layer designs.
What is the most popular open source board using the 74123?
By GitHub stars, Retro by bytemind-dev, with 7 stars.
Can I simulate one of these boards using the 74123 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.