2 open source boards using the 27C020
Real designs built with the 27C020, 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.
Prometheus-VLB
computerguy096
240.5 × 69.4 mm74 parts4LGPL-3.03
CBM-II-MultiROM
sjgray
41.8 × 19.1 mm5 parts2LNo license1
The 27C020 in open source designs
The gallery holds 2 open source boards using the 27C020 from 2 GitHub repositories; a typical one measures about 141.2 × 44.2 mm and carries around 40 components.
50% are two-layer designs, the rest use four layers or more, and 50% carry an open source license.
The most starred is Prometheus-VLB by computerguy096.
27C020: common questions
Where can I find a 27C020 reference design?
Each of the 2 boards on this page is a real design using the 27C020. 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 27C020?
The median is 141.2 × 44.2 mm, and 50% are two-layer designs.
What is the most popular open source board using the 27C020?
By GitHub stars, Prometheus-VLB by computerguy096, with 3 stars.
Can I simulate one of these boards using the 27C020 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.