6 layers313 × 259.5 mm

Open8-vga motherboard
adham404/Open8-VGA
An 8-bit computer from 74HC logic: microcoded CPU, VGA, PS/2, on-board editor and assembler. Play it in your browser.
322 parts3MIT
Boards in 1 GitHub repository, designed in KiCad, that use the CD74AC574E by Texas Instruments (-55℃~+125℃ 1 1.5V~5.5V 10.8ns@5V,50pF 10pF 125MHz 24mA 24mA 74AC Series 8 8uA D-Type Rising Edge Tri-State PDIP-20 Flip Flops ROHS). See how each wires it, with its parts, size, README and files; the CD74AC574E’s symbol, footprint and pinout are on its own page.

adham404/Open8-VGA
An 8-bit computer from 74HC logic: microcoded CPU, VGA, PS/2, on-board editor and assembler. Play it in your browser.