The TL145406 is a triple RS-232 driver/receiver that meets or exceeds the requirements of ANSI EIA/TIA-232-E and ITU V.28, designed to support data rates up to 120 kbits/s over 3-m cable, ESD protection exceeds 5 kV on all pins, flow-through design, wide-driver supply voltage ... ±4.5 V to ±15 V, functionally interchangeable with Motorola MC145406 and Texas Instruments SN75C1406