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ISL8488

Renesas
Part Number ISL8488
Manufacturer Renesas
Description RS-485/RS-422 Transceivers
Published Jun 29, 2018
Detailed Description DATASHEET ISL8483, ISL8485, ISL8488, ISL8489, ISL8490, ISL8491 5V, Low Power, High Speed or Slew Rate Limited, RS-485/R...
Datasheet PDF File ISL8488 PDF File

ISL8488
ISL8488

Overview
DATASHEET ISL8483, ISL8485, ISL8488, ISL8489, ISL8490, ISL8491 5V, Low Power, High Speed or Slew Rate Limited, RS-485/RS-422 Transceivers FN6046 Rev 9.
00 February 16, 2016 The Intersil RS-485/RS-422 devices are BiCMOS 5V powered, single transceivers that meet both the RS-485 and RS-422 standards for balanced communication.
Unlike competitive devices, this Intersil family is specified for 10% tolerance supplies (4.
5V to 5.
5V).
The ISL8483, ISL8488, and ISL8489 utilize slew rate limited drivers which reduce EMI, and minimize reflections from improperly terminated transmission lines, or unterminated stubs in multidrop and multipoint applications.
Data rates up to 5Mbps are achievable by using the ISL8485, ISL8490, or ISL8491, which feature higher slew rates.
All devices present a “single unit load” to the RS-485 bus, which allows up to 32 transceivers on the network.
Receiver (Rx) inputs feature a “fail-safe if open” design, which ensures a logic high Rx output if Rx inputs are floating.
Driver (Tx) outputs are short circuit protected, even for voltages exceeding the power supply voltage.
Additionally, on-chip thermal shutdown circuitry disables the Tx outputs to prevent damage if power dissipation becomes excessive.
The ISL8488 - 91 are configured for full duplex (separate Rx input and Tx output pins) applications.
The ISL8488 and ISL8490 are offered in space saving 8 lead packages for applications not requiring Rx and Tx output disable functions (e.
g.
, point-to-point).
Half duplex configurations (ISL8483, ISL8485) multiplex the Rx inputs and Tx outputs to allow transceivers with Rx and Tx disable functions in 8 lead packages.
Features • Specified for 10% Tolerance Supplies • Class 3 ESD Protection (HBM) on all Pins.
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>7kV • High Data Rates.
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up to 5Mbps • Slew Rate Limited Versions for Error Free Data Transmission at 250kbps (ISL8483, ISL8488, ISL8489) • Single Unit Load Allows up to 32 Devices on the Bus • 1n...


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