2 open source boards using the 74189
Real designs built with the 74189, 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.
8bitCPU
BrainwashAlpha
246.4 × 185.4 mm277 parts4LNo license1
8bit-Sch old-
Arvind595
246.4 × 185.4 mm277 parts4LNo license0
The 74189 in open source designs
The gallery holds 2 open source boards using the 74189 from 2 GitHub repositories; a typical one measures about 246.4 × 185.4 mm and carries around 277 components.
100% use four copper layers or more, and 0% carry an open source license.
The most starred is 8bitCPU by BrainwashAlpha.
74189: common questions
Where can I find a 74189 reference design?
Each of the 2 boards on this page is a real design using the 74189. 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 74189?
The 28C16, 74LS00, 74LS02, 74LS04 and 74LS08 appear in the most repositories here.
How big is a typical board using the 74189?
The median is 246.4 × 185.4 mm, and 0% are two-layer designs.
What is the most popular open source board using the 74189?
By GitHub stars, 8bitCPU by BrainwashAlpha, with 1 stars.
Can I simulate one of these boards using the 74189 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.