High Speed or Slew Rate Limited RS-485/RS-422 Transceivers - Renesas
Description
DATASHEET
ISL8487E, ISL81487L, ISL81487E
±15kV ESD Protected, 1/8 Unit Load, 5V, Low Power, High Speed or Slew Rate Limited RS-485/RS-422 Transceivers
FN6051 Rev.
8.
00 Sep 20, 2018
The ISL8487E, ISL81487L, and ISL81487E RS-485/RS-422 devices 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/receiver input is protected against ±15kV ESD strikes without latch-up.
Unlike competitive devices, this device family is specified for 10% tolerance supplies (4.
5V to 5.
5V).
All devices present a 1/8 unit load to the RS-485 bus, which allows up to 256 transceivers on the network for large node count systems (for example, process automation and remote meter reading systems).
In a remote utility meter reading system, individual utility meter readings (in apartments, for example) are routed to a concentrator with an RS-485 network, so the high allowed node count minimiz...
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