4 layers337.6 × 105.7 mm
ISA CGA
hkzlab/CGA_Redux
The Color Graphics Adapter Redux board is a more or less faithful clone of the original IBM CGA, based on the original schematics
170 parts56
Boards using the 74S112DC
2 boardsBoards in 2 GitHub repositories, designed in KiCad, that use the 74S112DC by Texas Instruments (0℃~+70℃ 1 2 4.75V~5.25V 50mA 74S Series 7ns@5V,15pF 80MHz Complementary Falling Edge JK-Type Set and Reset CDIP-16 Flip Flops). See how each wires it, with its parts, size, README and files; the 74S112DC’s symbol, footprint and pinout are on its own page.
- 2 layers228.1 × 172.7 mm
