IC TXRX 2/2 FULL RS232 20TSSOP
TSSOP Transceiver, Receiver, 2-Channel, 5V, 1mA, -40°C to 85°C
1µA Supply-Current, +3V to +5.5V, 250kbps, RS-232 Transmitters/Receivers
DUAL LINE TRANSCEIVER, PDSO20, PLASTIC, MO-153AC, TSSOP-20