DATASHEET ISL4489E, ISL4491E ±15kV ESD Protected, 1/8 Unit Load, 5V, Low Power, High Speed and Slew Rate Limited, Full Duplex, RS-485/RS-422 Transceivers FN6074 Rev.
4.
00 Sep 17, 2018 The ISL4489E and ISL4491E are ESD protected, “fractional” Unit Load (UL), BiCMOS, 5V powered, single transceivers that meet both the RS-485 and RS-422 standards for balanced communication.
Each driver output and receiver input is protected against ±15kV ESD strikes without latch-up.
Unlike competitive versions, these devices are specified for 10% tolerance supplies (4.
5V to 5.
5V).
The Rx inputs and Tx outputs present a 1/8 unit load to the RS-485 bus, which allows a total of 256 transmitters and receivers on ...

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