40-Pin Dual-Serial IO Controller, 5V, 150mA, 4.75-5.25V, Commercial
24-Pin DIP Dual Serial IO/COMMUNICATION CONTROLLER
Serial I/O Controller, 2 Channel(s), 0.125MBps, NMOS, PDIP24
IC 2 CHANNEL(S), 1M bps, SERIAL COMM CONTROLLER, PDIP28, 0.600 INCH, PLASTIC, MO-015AH, SOT-117-1, DIP-28, Serial IO/Communication Controller
Serial I/O Controller, MOS, PDIP40,
