Line Transceiver, 1 Func, 3 Driver, 5 Rcvr, CMOS, PDSO24
5V RS-232 IC: 3DRV/5RCV, 250Kbps, SOIC
IC 3DRV/5RCV RS232 5V 24-SOIC
Triple Transmitter Quint Receiver RS-232 24-Pin SOIC W T/R