2 open source boards using the 74HC4520
Real designs built with the 74HC4520, 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.
V0d-512-proto
smaldragon
93 × 63.8 mm32 parts2LUnlicense2V0d-2048-32
smaldragon
90 × 56.8 mm24 parts2LUnlicense2
The 74HC4520 in open source designs
The gallery holds 2 open source boards using the 74HC4520 from 1 GitHub repository; a typical one measures about 91.5 × 60.3 mm and carries around 28 components.
100% are two-layer designs, the rest use four layers or more, and 100% carry an open source license.
The most starred is V0d-512-proto by smaldragon.
74HC4520: common questions
Where can I find a 74HC4520 reference design?
Each of the 2 boards on this page is a real design using the 74HC4520. 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 74HC4520?
The median is 91.5 × 60.3 mm, and 100% are two-layer designs.
What is the most popular open source board using the 74HC4520?
By GitHub stars, V0d-512-proto by smaldragon, with 2 stars.
Can I simulate one of these boards using the 74HC4520 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.