3 open source boards using the 74HCT123
Real designs built with the 74HCT123, 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.
Multicomp6809
nealcrook
170 × 145 mm115 parts2LNo license63
MegaAV Pro VA0
RIP-Felix
50 × 50 mm153 parts4LCERN-OHL-S-2.047
M6809-multicomputer
cartheur
170 × 145 mm111 parts2LMIT1
The 74HCT123 in open source designs
The gallery holds 3 open source boards using the 74HCT123 from 3 GitHub repositories; a typical one measures about 170 × 145 mm and carries around 115 components.
67% are two-layer designs, the rest use four layers or more, and 67% carry an open source license.
The most starred is Multicomp6809 by nealcrook.
Parts used alongside the 74HCT123
What boards using the 74HCT123 are built for
74HCT123: common questions
Where can I find a 74HCT123 reference design?
Each of the 3 boards on this page is a real design using the 74HCT123. 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 74HCT123?
The 74HCT10, 74HCT244, 74LS06, 74LS174 and 74LS367 appear in the most repositories here.
How big is a typical board using the 74HCT123?
The median is 170 × 145 mm, and 67% are two-layer designs.
What is the most popular open source board using the 74HCT123?
By GitHub stars, Multicomp6809 by nealcrook, with 63 stars.
Can I simulate one of these boards using the 74HCT123 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.