2 open source boards using the SN74HCS74

Real designs built with the SN74HCS74, 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.

The SN74HCS74 in open source designs

The gallery holds 2 open source boards using the SN74HCS74 from 1 GitHub repository; a typical one measures about 45.3 × 108.2 mm and carries around 98 components.

100% are two-layer designs, the rest use four layers or more, and 0% carry an open source license.

The most starred is Eurorack SSI2131 VCO by Len42.

What boards using the SN74HCS74 are built for

SN74HCS74: common questions

Where can I find a SN74HCS74 reference design?

Each of the 2 boards on this page is a real design using the SN74HCS74. 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 SN74HCS74?

The median is 45.3 × 108.2 mm, and 100% are two-layer designs.

What is the most popular open source board using the SN74HCS74?

By GitHub stars, Eurorack SSI2131 VCO by Len42, with 50 stars.

Can I simulate one of these boards using the SN74HCS74 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.

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