RS-232 Transceiver, 4 Tx/5 Rx, 230Kbps, 5V, SOIC
Quad Transmitter Quint Receiver RS-232 28-Pin SOIC W Tube / IC TXRX RS232 5V 0.1UF 28SOIC
RS-232 Transceiver, 4-Drv/5-Rec, 230Kbps, 5V, SOIC