Line Transceiver, 4 Func, 4 Driver, 5 Rcvr, CMOS, PDSO28, PLASTIC, SSOP-28
RS-232 Transceiver IC, 4Tx/5Rx, 230Kbps, 5V, SSOP
Quad Transmitter Quint Receiver RS-232 28-Pin SSOP T/R
