IC TXRX 3/5 RS232 FULL 24DIP
24-Pin Commercial Line Transceiver, 5V, Schmitt Trigger, DIP-24
HIN239 Series 120 kbps +5V Powered RS-232 Transmitter/Receiver - PDIP-24
HIN239CP-T
IC, Line Transceiver, Cmos, 3 Driver, 5 Rcvr, DIP, 24PIN, Plastic Rohs Compliant: Yes