1 open source board using the 74HC109
Real designs built with the 74HC109, 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.
AndersBNielsenThe 74HC109 in open source designs
The gallery holds 1 open source boards using the 74HC109 from 1 GitHub repository; a typical one measures about 149.9 × 74.9 mm and carries around 142 components.
100% are two-layer designs, the rest use four layers or more, and 0% carry an open source license.
The most starred is Abn6502 by AndersBNielsen.
What boards using the 74HC109 are built for
74HC109: common questions
Where can I find a 74HC109 reference design?
Each of the 1 boards on this page is a real design using the 74HC109. 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 74HC109?
The median is 149.9 × 74.9 mm, and 100% are two-layer designs.
What is the most popular open source board using the 74HC109?
By GitHub stars, Abn6502 by AndersBNielsen, with 94 stars.
Can I simulate one of these boards using the 74HC109 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.