4 layers233.4 × 160 mm

Boards in 1 GitHub repository, designed in KiCad, that use the 74F640PC by onsemi (0℃~+70℃ 1 15mA 4.5V~5.5V 64mA 7.5ns@5V,50pF 74F 8 Bidirectional Tri-State PDIP-20 Buffers, Drivers, Receivers, Transceivers). See how each wires it, with its parts, size, README and files; the 74F640PC’s symbol, footprint and pinout are on its own page.
