4 layers120.2 × 104.1 mm

Boards in 1 GitHub repository, designed in KiCad, that use the 74HCT390D by Nexperia (SO-16 Counters, Dividers ROHS). See how each wires it, with its parts, size, README and files; the 74HCT390D’s symbol, footprint and pinout are on its own page.
