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UTRS3085

UTC
Part Number UTRS3085
Manufacturer UTC
Description RS-485/RS-422 TRANSCEIVERS
Published Apr 21, 2020
Detailed Description UNISONIC TECHNOLOGIES CO., LTD UTRS3085 Preliminary FAIL-SAFE, 2.5MBPS, RS-485 / RS-422 TRANSCEIVERS WITH ±12KV ESD-P...
Datasheet PDF File UTRS3085 PDF File

UTRS3085
UTRS3085

Overview
UNISONIC TECHNOLOGIES CO.
, LTD UTRS3085 Preliminary FAIL-SAFE, 2.
5MBPS, RS-485 / RS-422 TRANSCEIVERS WITH ±12KV ESD-PROTECTED  DESCRIPTION The UTC UTRS3085 high-speed transceivers for RS-485/RS-422 communication contain one driver and one receiver.
The device features fail-safe circuitry, which guarantees a logic-high receiver output when the receiver inputs are open or shorted.
This means that the receiver output will be logic high if all transmitters on a terminated bus are disabled (high impedance).
The UTC UTRS3085 offer higher driver output slew-rate limits, allowing transmission up to 2.
5Mbps.
The transceiver typically draws 375µA of supply current when unloaded or when fully loaded with the drivers disabled.
A device has a 1/8-unit-load receiver input impedance that allows up to 256 transceivers on the bus.
 FEATURES * True fail-safe receiver while maintaining EIA/TIA-485 compatibility.
* Enhanced slew-rate limiting facilitates Error-Free data transmission.
* 5.
0V single power supply.
* 1µA low-current shutdown mode.
* Allow up to 256 transceivers on the Bus.
* HBM ±12kV ESD protection for Transmitter Output * Driver short circuit current limit.
* Thermal shutdown for overload protection.
 ORDERING INFORMATION Ordering Number Lead Free Halogen Free UTRS3085L-D08-T UTRS3085G-D08-T UTRS3085L-S08-R UTRS3085G-S08-R Package DIP-8 SOP-8 CMOS IC DIP-8 SOP-8 Packing Tube Tape Reel www.
unisonic.
com.
tw Copyright © 2018 Unisonic Technologies Co.
, Ltd 1 of 7 QW-R113-015.
f UTRS3085  MARKING Preliminary CMOS IC  PIN CONFIGURATION RO 1 RE 2 DE 3 DI 4 8 VCC 7B 6A 5 GND  PIN DESCRIPTION PIN NO.
1 2 3 4 5 6 7 8 PIN NAME RO RE DE DI GND A B VCC Receiver output.
DESCRIPTION Receiver output enable.
Drive RE low to enable RO; RO is high impedance when RE is high.
Drive RE high and DE low to enter low-power shutdown mode.
Driver output enable.
Drive DE high to enable driver outputs.
These outputs are high impedance when DE is low.
Drive RE high...


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