2 layers213 × 65.1 mm

Boards in 3 GitHub repositories, designed in KiCad, that use the 74HCT05 by onsemi (-55℃~+125℃ 2 20ns@6V,50pF 2V~6V 2uA 5.2mA 5.2mA 74HCT Series NOR Gate - Logic Gates ROHS). See how each wires it, with its parts, size, README and files; the 74HCT05’s symbol, footprint and pinout are on its own page.



xvrxvr/mstd
Both machines are based on the K1801 series CPUs, which are compatible with the DEC PDP-11 instruction set and use a simplified version of the DEC UNIBUS-like MPI system bus.\ Wiki MPI BUS (In Russian)