IC TXRX RS-232 5V 24-SOIC
24-Pin Commercial Line Transceiver, 5V, Schmitt Trigger, 0-70°C
24-Pin Commercial Line Transceiver, 4.5-5.5V, 0-70C, SOIC-24
RS232 5V 4D/3R 24SOIC COM (TAPE&REEL)