7 open source boards using the 27128
Real designs built with the 27128, 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.
All Spectrums
alvaroalea
213 × 130 mm186 parts2LNo license10
TIM-011B
Board-Folk
232.8 × 204.2 mm149 parts2LNo license8
Minimal-6502
techav-homebrew
101.6 × 76.2 mm30 parts2LNo license5
Cocousbhost
barberd
98.3 × 87.3 mm32 parts2LGPL-3.03
1551-RAMBOard
ytmytm
58.7 × 40.6 mm9 parts2LNo license3
Max48 ISSUE4
213 × 130 mm186 parts2LNo license10
MUTIF09 Single Board Computer
ja1umi
155 × 114 mm68 parts2LMIT10
The 27128 in open source designs
The gallery holds 7 open source boards using the 27128 from 6 GitHub repositories; a typical one measures about 155 × 114 mm and carries around 68 components.
100% are two-layer designs, the rest use four layers or more, and 29% carry an open source license.
The most starred is Max48 ISSUE4 by alvaroalea.
What boards using the 27128 are built for
27128: common questions
Where can I find a 27128 reference design?
Each of the 7 boards on this page is a real design using the 27128. 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 27128?
The 74LS00, 74LS04, 62256, 74LS139 and 74LS32 appear in the most repositories here.
How big is a typical board using the 27128?
The median is 155 × 114 mm, and 100% are two-layer designs.
What is the most popular open source board using the 27128?
By GitHub stars, Max48 ISSUE4 by alvaroalea, with 10 stars.
Can I simulate one of these boards using the 27128 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.