DATASHEET ISL33334E, ISL33337E 3.3V, ±15kV ESD Protected, Two Port, Dual Protocol (RS-232/RS-485) Transceivers FN8776 Rev 1.00 October 21, 2016 The ISL33334E, ISL33337E 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/RS-422 transceiver.
The on-board charge pump generates RS-232 compliant ±5V Tx output levels from a single VCC supply as low as 3.15V.
The transceivers are RS-232 compliant, with the Rx inputs handling