Dual Full-Duplex Bus Transceiver, 200Kbps, 5V, SOIC-18
2/2 RS-232 Transceiver, 200Kbps, 5V, SOIC W, Full Duplex
Dual Full-Duplex Bus Transceiver, 200Kbps, 5.5V, SOIC W, Surface Mount
Dual Transmitter/Receiver RS-232 18-Pin SOIC W T/R