2 open source boards using the 74LS51
Real designs built with the 74LS51, 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.
Microdigital - TK 2000
clemarfolly
236.8 × 169.8 mm195 parts2LNo license17
BitStack-DigiTrainer
RetroStack
320 × 150 mm262 parts2LMIT2
The 74LS51 in open source designs
The gallery holds 2 open source boards using the 74LS51 from 2 GitHub repositories; a typical one measures about 278.4 × 159.9 mm and carries around 229 components.
100% are two-layer designs, the rest use four layers or more, and 50% carry an open source license.
The most starred is Microdigital - TK 2000 by clemarfolly.
74LS51: common questions
Where can I find a 74LS51 reference design?
Each of the 2 boards on this page is a real design using the 74LS51. 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 74LS51?
The 74LS02, 74LS04, 74LS08, 74LS161 and 74LS175 appear in the most repositories here.
How big is a typical board using the 74LS51?
The median is 278.4 × 159.9 mm, and 100% are two-layer designs.
What is the most popular open source board using the 74LS51?
By GitHub stars, Microdigital - TK 2000 by clemarfolly, with 17 stars.
Can I simulate one of these boards using the 74LS51 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.