5V RS232/RS485 Multiprotocol Transceiver, 1-Transceiver, 3-Driver/3-Receiver, SOIC
Multi-Protocol RS232/485/422 Transceiver IC, 4Tx/4Rx, 5V, SOIC
IC TXRX RS232/485/422 MULTIPRTCL
LTC1334ISW#TRM