7 open source boards using the 74x245
Real designs built with the 74x245, 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.
Memory-Access-Register
DutchMaker
144.8 × 114.3 mm39 parts2LNo license23
ALU
132.1 × 86.4 mm30 parts2LNo license23
Memory
149.2 × 86.4 mm29 parts2LNo license23
Program-Counter
81.3 × 82.6 mm15 parts2LNo license23
Stack-Pointer
81.3 × 50.8 mm9 parts2LNo license23
Register
55.9 × 52.1 mm7 parts2LNo license23
Instruction-Register
53.3 × 52.1 mm6 parts2LNo license23
The 74x245 in open source designs
The gallery holds 7 open source boards using the 74x245 from 1 GitHub repository; a typical one measures about 81.3 × 82.6 mm and carries around 15 components.
100% are two-layer designs, the rest use four layers or more, and 0% carry an open source license.
The most starred is Memory-Access-Register by DutchMaker.
74x245: common questions
Where can I find a 74x245 reference design?
Each of the 7 boards on this page is a real design using the 74x245. 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 74x245?
The median is 81.3 × 82.6 mm, and 100% are two-layer designs.
What is the most popular open source board using the 74x245?
By GitHub stars, Memory-Access-Register by DutchMaker, with 23 stars.
Can I simulate one of these boards using the 74x245 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.