3-V to 5.5-V Multichannel RS-232 Line Driver/Receiver With +/-15-kV IEC ESD Protection 28-SSOP 0 to 70
RS-232 Transceiver, 3Tx/5Rx, 500Kbps, 3-5.5V, SSOP
IC MULTICH RS232 DVR/RCVR 28SSOP