2 open source boards using the 74LS253
Real designs built with the 74LS253, 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
Esh
RulecityLLC
299.7 × 229.9 mm182 parts2LBSD-3-Clause1
The 74LS253 in open source designs
The gallery holds 2 open source boards using the 74LS253 from 2 GitHub repositories; a typical one measures about 268.3 × 199.8 mm and carries around 189 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.
74LS253: common questions
Where can I find a 74LS253 reference design?
Each of the 2 boards on this page is a real design using the 74LS253. 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 74LS253?
The median is 268.3 × 199.8 mm, and 100% are two-layer designs.
What is the most popular open source board using the 74LS253?
By GitHub stars, Microdigital - TK 2000 by clemarfolly, with 17 stars.
Can I simulate one of these boards using the 74LS253 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.