3 open source boards using the 74HC85
Real designs built with the 74HC85, 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.
Internal sdcard interface
ifilot
219 × 88 mm77 parts2LNo license3
Philips P2000T SD-CARD SLOT2 cartridge
85.1 × 100 mm62 parts4LNo license3
Control
89Mods
209.6 × 108.5 mm81 parts4LMIT2
The 74HC85 in open source designs
The gallery holds 3 open source boards using the 74HC85 from 2 GitHub repositories; a typical one measures about 209.6 × 100 mm and carries around 77 components.
67% use four copper layers or more, and 33% carry an open source license.
The most starred is Internal sdcard interface by ifilot.
74HC85: common questions
Where can I find a 74HC85 reference design?
Each of the 3 boards on this page is a real design using the 74HC85. 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 74HC85?
The 74HC00, 74HC02 and 74HC74 appear in the most repositories here.
How big is a typical board using the 74HC85?
The median is 209.6 × 100 mm, and 33% are two-layer designs.
What is the most popular open source board using the 74HC85?
By GitHub stars, Internal sdcard interface by ifilot, with 3 stars.
Can I simulate one of these boards using the 74HC85 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.