20 open source boards using the 27C512
Real designs built with the 27C512, 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.
Z80-cmos nmos tester
djtersteegc
81.3 × 86.4 mm38 parts2LMIT61
Zx multisound
UzixLS
170 × 64 mm173 parts2LMIT37
We816
danwerner21
360.1 × 141.4 mm128 parts2LNo license32
Zx sizif-128
140 × 85 mm107 parts2LMIT32
Zx sizif-512-ext
213 × 64 mm145 parts2LMIT19
Tlcs90-rom reader
sergiopolog
111.8 × 121.9 mm54 parts2LGPL-3.015
C64ExpansionBreakout
hackup
99.1 × 82.4 mm10 parts2LNo license14
SodaIDE v2 konami case
Danjovic
100 × 65.5 mm30 parts2LCC0-1.011
Oric
Board-Folk
206.2 × 138.1 mm127 parts2LNo license4
No mcu distance meter
AlexIII
99.6 × 42.7 mm33 parts2LNo license4
Z80-cmos nmos tester
Vakon84
81.3 × 86.4 mm38 parts2LMIT2
SodaIDE v2 patola case
100 × 64.7 mm30 parts2LCC0-1.011
Gb cartridge rom ram batt tht
roybaer
50 × 61 mm9 parts2LNo license16
Soda IDE
100 × 65.5 mm29 parts2LCC0-1.011
Memory
DutchMaker
149.2 × 86.4 mm29 parts2LNo license23
Gd MEGA-65c02 proto
baldengineer
98.8 × 100 mm56 parts4LMIT33
MZ80MROM
57.6 × 38.5 mm7 parts2LNo license5
AVR/ArduinoEProg
KALTCHUK
100 × 71.1 mm12 parts2LNo license94
NXPROM Emulator
MicroCoreLabs
21.5 × 37.1 mm5 parts2LNo license532
Gd 6502 proto
90.4 × 52.2 mm34 parts4LMIT33
The 27C512 in open source designs
The gallery holds 20 open source boards using the 27C512 from 17 GitHub repositories; a typical one measures about 100 × 68.3 mm and carries around 34 components.
90% are two-layer designs, the rest use four layers or more, and 55% carry an open source license.
The most starred is ROM Emulator by MicroCoreLabs.
Parts used alongside the 27C512
Microcontrollers on boards using the 27C512
What boards using the 27C512 are built for
27C512: common questions
Where can I find a 27C512 reference design?
Each of the 20 boards on this page is a real design using the 27C512. 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 27C512?
The 74LS04, 74LS245, 74LS02, 74LS193 and 74LS32 appear in the most repositories here.
Which microcontrollers do boards using the 27C512 use?
Most are built on AVR/Arduino (1) and NXP (1).
How big is a typical board using the 27C512?
The median is 100 × 68.3 mm, and 90% are two-layer designs.
What is the most popular open source board using the 27C512?
By GitHub stars, ROM Emulator by MicroCoreLabs, with 532 stars.
Can I simulate one of these boards using the 27C512 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.