Dual UART Transceiver, 500Kbps, 5V, 1mA, TSSOP-20
±15kV ESD Protected, +3V to +5.5V, 1µA, 250kbps, RS-232 Transmitters/Receivers
ICL3223 Series 250 kbps 5.5 V RS-232 Dual Transmitter/Receiver - TSSOP-20
IC TXRX 2/2 FULL RS232 20TSSOP