2 open source boards using the CD74HCT4520E

Real designs built with the CD74HCT4520E, 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 CD74HCT4520E in open source designs

The gallery holds 2 open source boards using the CD74HCT4520E from 2 GitHub repositories; a typical one measures about 58.4 × 95.5 mm and carries around 38 components.

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

The most starred is ReSeed by SukkoPera.

Microcontrollers on boards using the CD74HCT4520E

AVR/Arduino 1

What boards using the CD74HCT4520E are built for

CD74HCT4520E: common questions

Where can I find a CD74HCT4520E reference design?

Each of the 2 boards on this page is a real design using the CD74HCT4520E. Open one to see how it is wired up, with the full BOM, a render of the layout and links to its KiCad files.

Which microcontrollers do boards using the CD74HCT4520E use?

Most are built on AVR/Arduino (1).

How big is a typical board using the CD74HCT4520E?

The median is 58.4 × 95.5 mm, and 100% are two-layer designs.

What is the most popular open source board using the CD74HCT4520E?

By GitHub stars, ReSeed by SukkoPera, with 15 stars.

Can I simulate one of these boards using the CD74HCT4520E 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.