4 layers74.2 × 42.7 mm

RAM128
garrettsworkshop/RAM128
128 kB Saturn 128k-compatible RAM expansion card for Apple II
57 parts22
Boards in 2 GitHub repositories, designed in KiCad, that use the 74AHCT32PW by Texas Instruments (-40℃~+125℃ 100mV、440mV 2 20uA 3.8V、4.4V 4 4.5V~5.5V 74AHCT Series 8mA 8mA OR Gate Overvoltage-tolerant input TTL compatible CMOS TSSOP-14 Logic Gates ROHS). See how each wires it, with its parts, size, README and files; the 74AHCT32PW’s symbol, footprint and pinout are on its own page.

garrettsworkshop/RAM128
128 kB Saturn 128k-compatible RAM expansion card for Apple II
