2 layers70 × 65 mm

Boards in 1 GitHub repository, designed in KiCad, that use the SN74HC27N by Texas Instruments (-40℃~+85℃ 1.5V~4.2V 15ns@6V,50pF 2V~6V 2uA 3 5.2mA 5.2mA 500mV~1.8V 74HC Series NOR Gate PDIP-14 Logic Gates ROHS). See how each wires it, with its parts, size, README and files; the SN74HC27N’s symbol, footprint and pinout are on its own page.
