IC TXRX 2/2 FULL RS232 20SSOP
IC TXRX RS232 250KBPS 20SSOP
20-Pin Dual-Line Transceiver, 3.0-5.5V, Schmitt Trigger, SSOP-20
1µA Supply-Current, +3V to +5.5V, 250kbps, RS-232 Transmitters/Receivers