±15kV ESD, +3V to +5.5V, 1µA, 250kbps, RS-232 Transmitters/Receivers with Separate Logic Supply
Triple Transmitter Dual Receiver RS-232 20-Pin TSSOP Tube
ISL83386 Series 500 kbps 5.5 V RS-232 Transceiver - TSSOP-20