4 open source boards using the 74HC670
Real designs built with the 74HC670, 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.
Easy z80
skiselev
100 × 100 mm58 parts2LGPL-3.0177
8 16 computer 2
halfburnttoast
208 × 110 mm111 parts2LNo license21
V0d-512-proto
smaldragon
93 × 63.8 mm32 parts2LUnlicense2
V0d-2048-32
90 × 56.8 mm24 parts2LUnlicense2
The 74HC670 in open source designs
The gallery holds 4 open source boards using the 74HC670 from 3 GitHub repositories; a typical one measures about 96.5 × 81.9 mm and carries around 45 components.
100% are two-layer designs, the rest use four layers or more, and 75% carry an open source license.
The most starred is Easy z80 by skiselev.
Parts used alongside the 74HC670
What boards using the 74HC670 are built for
74HC670: common questions
Where can I find a 74HC670 reference design?
Each of the 4 boards on this page is a real design using the 74HC670. 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 74HC670?
The 74HC273, 74HC74 and SST39SF040 appear in the most repositories here.
How big is a typical board using the 74HC670?
The median is 96.5 × 81.9 mm, and 100% are two-layer designs.
What is the most popular open source board using the 74HC670?
By GitHub stars, Easy z80 by skiselev, with 177 stars.
Can I simulate one of these boards using the 74HC670 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.