IC TXRX 5/3 RS232 FULL 24SSOP
Single-Transceiver, 3-Receiver, 5V, 1mA, Lead-Free, Surface-Mount Transceiver
ICL3217E Single-Chip Bus Transceiver, 5V, 1mA, SSOP Package
Low Power, +3V To +5.5V, 250kbps, RS-232 Transmitters/Receivers
Line Transceiver