6 open source boards using the 74HC373

Real designs built with the 74HC373, 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.

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The 74HC373 in open source designs

The gallery holds 6 open source boards using the 74HC373 from 5 GitHub repositories; a typical one measures about 196.3 × 112.7 mm and carries around 93 components.

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

The most starred is OpenTendo by Redherring32.

Parts used alongside the 74HC373

Microcontrollers on boards using the 74HC373

AVR/Arduino 2

What boards using the 74HC373 are built for

74HC373: common questions

Where can I find a 74HC373 reference design?

Each of the 6 boards on this page is a real design using the 74HC373. 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 74HC373?

The 40H368 (CI), 40H368 (CII), 6116 (VRAM), 6116 (WRAM) and 74HC139 appear in the most repositories here.

Which microcontrollers do boards using the 74HC373 use?

Most are built on AVR/Arduino (2).

How big is a typical board using the 74HC373?

The median is 196.3 × 112.7 mm, and 100% are two-layer designs.

What is the most popular open source board using the 74HC373?

By GitHub stars, OpenTendo by Redherring32, with 850 stars.

Can I simulate one of these boards using the 74HC373 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.