Dual 2-Transceiver Bus Transceiver, 5V, SOIC-18, 0°C to 70°C
RS-232 Transceiver, 2-Driver, 2-Receiver, 5V, SOIC
RS232 IC: 5V, 250Kbps, 1 Tx/2 Rx, 18SOIC
Dual Transmitter/Receiver RS-232 18-Pin SOIC W T/R
