2 layers279.4 × 203.2 mm

Z180GDC
lynchaj/rhyophyre
Single Board Computer featuring Zilog Z180 processor and NEC µPD7220 Graphics Display Controller
249 parts12
Boards in 2 GitHub repositories, designed in KiCad, that use the 74F299PC by onsemi (0℃~+70℃ 1 100MHz 24mA 3mA 4.5V~5.5V 74F 7ns@5V,50pF 8 Asynchronous clear function、Output enable、Asynchronous parallel load function、Supports forward and reverse shift Tri-State PDIP-20 Shift Registers). See how each wires it, with its parts, size, README and files; the 74F299PC’s symbol, footprint and pinout are on its own page.

lynchaj/rhyophyre
Single Board Computer featuring Zilog Z180 processor and NEC µPD7220 Graphics Display Controller

lynchaj/duodyne
Duodyne is a hobbyist retrocomputer system designed to run ROMWBW. It is comprised of modules on a system bus