RS - 485 Transceiver Tutorial - EEWeb,ISL81387 - ±15kV ESD Protected, 5V, Dual Protocol (RS-232/RS,ISL32478E - Fault Protected, Extended Common Mode Range, RS,SN65HVD1473: Can be used this IC for RS-422 purpose too,SN65HVD1473: Can be used this IC for RS-422 purpose too