4 open source boards using the TMS4464
Real designs built with the TMS4464, 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.
C64-sram
jamarju
26.9 × 35.1 mm5 parts2LNo license63TRS-80 Color Computer 3
qbancoffee
280 × 156.3 mm205 parts2LGPL-3.040C64-sram full pinout
jamarju
26.7 × 34.9 mm5 parts2LNo license63TRS-80 Color Computer 3
baldengineer
280 × 155.3 mm204 parts2LCC-BY-4.0442
The TMS4464 in open source designs
The gallery holds 4 open source boards using the TMS4464 from 3 GitHub repositories; a typical one measures about 153.5 × 95.2 mm and carries around 105 components.
100% are two-layer designs, the rest use four layers or more, and 50% carry an open source license.
The most starred is TRS-80 Color Computer 3 by baldengineer.
Parts used alongside the TMS4464
What boards using the TMS4464 are built for
TMS4464: common questions
Where can I find a TMS4464 reference design?
Each of the 4 boards on this page is a real design using the TMS4464. 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 TMS4464?
The 27C256, 74LS04, 74LS138, 74LS244 and 74LS30 appear in the most repositories here.
How big is a typical board using the TMS4464?
The median is 153.5 × 95.2 mm, and 100% are two-layer designs.
What is the most popular open source board using the TMS4464?
By GitHub stars, TRS-80 Color Computer 3 by baldengineer, with 442 stars.
Can I simulate one of these boards using the TMS4464 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.