2 layers177.8 × 233.7 mm

Boards in 1 GitHub repository, designed in KiCad, that use the SN7405N by Texas Instruments (0℃~+70℃ 1 12mA 16mA 2V 4.75V~5.25V 55ns@5V,15pF 6 7400 Series 800mV PDIP-14 Inverters ROHS). See how each wires it, with its parts, size, README and files; the SN7405N’s symbol, footprint and pinout are on its own page.
