3 open source boards using the 74LS181
Real designs built with the 74LS181, 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.
TTL 6510 Computer
StefansAI
368.3 × 215.9 mm330 parts2LNo license1
TTL 6510 Computer
368.3 × 215.9 mm330 parts2LNo license1
ALU
89Mods
209.6 × 108 mm82 parts4LMIT2
The 74LS181 in open source designs
The gallery holds 3 open source boards using the 74LS181 from 2 GitHub repositories; a typical one measures about 368.3 × 215.9 mm and carries around 330 components.
67% are two-layer designs, the rest use four layers or more, and 33% carry an open source license.
The most starred is ALU by 89Mods.
Parts used alongside the 74LS181
What boards using the 74LS181 are built for
74LS181: common questions
Where can I find a 74LS181 reference design?
Each of the 3 boards on this page is a real design using the 74LS181. 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 74LS181?
The 74HCT04, 74HCT08, 74HCT32 and 74HCT574 appear in the most repositories here.
How big is a typical board using the 74LS181?
The median is 368.3 × 215.9 mm, and 67% are two-layer designs.
What is the most popular open source board using the 74LS181?
By GitHub stars, ALU by 89Mods, with 2 stars.
Can I simulate one of these boards using the 74LS181 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.