DATASHEET ISL33354E, ISL33357E 5V, ±15kV ESD Protected, Two Port, Dual Protocol (RS-232/RS-485) Transceivers FN8775 Rev 1.00 Oct 21, 2016 The ISL33354E, ISL33357E are two port interface ICs where port 1 is configured as a dual (2 Tx, 2 Rx) RS-232 transceiver, and port 2 is a single RS-485/422 transceiver.
An on-board charge pump generates RS-232 compliant ±5V Tx output levels from a single VCC supply as low as 4.5V.
The transceivers are RS-232 compliant, with the Rx inputs handling up to ±25V