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SP490E

Sipex
Part Number SP490E
Manufacturer Sipex
Description Enhanced Full Duplex RS-485 Transceivers
Published Jun 7, 2005
Detailed Description ® SP490E/SP491E Enhanced Full Duplex RS-485 Transceivers +5V Only Low Power BiCMOS Driver/Receiver Enable (SP491E) RS-...
Datasheet PDF File SP490E PDF File

SP490E
SP490E

Overview
® SP490E/SP491E Enhanced Full Duplex RS-485 Transceivers +5V Only Low Power BiCMOS Driver/Receiver Enable (SP491E) RS-485 and RS-422 Drivers/Receivers Pin Compatible with LTC490 and SN75179 (SP490E) s Pin Compatible with LTC491 and SN75180 (SP491E) s Improved ESD Specifications: ±15kV Human Body Model ±15kV IEC1000-4-2 Air Discharge ±8kV IEC1000-4-2 Contact Discharge DESCRIPTION… The SP490E is a low power differential line driver/receiver meeting RS-485 and RS-422 standards up to 10Mbps.
The SP491E is identical to the SP490E with the addition of driver and receiver tri-state enable lines.
Both products feature ±200mV receiver input sensitivity, over wide common mode range.
The SP490E is available in 8-pin plastic DIP and 8-pin NSOIC packages for operation over the commercial and industrial temperature ranges.
The SP491E is available in 14-pin DIP and 14-pin NSOIC packages for operation over the commercial and industrial temperature ranges.
s s s s s NC 1 14 Vcc 13 NC 12 A Vcc 1 R 2 R 2 8 A R 11 B R REB 3 7 B DE 4 6 Z D 3 GND 4 10 Z D 5 D 5 Y D GND 6 GND 7 9 Y 8 NC SP490E SP491E SP490EDS/14 SP490E Enhanced Full Duplex RS-485 Transceivers © Copyright 2000 Sipex Corporation 1 ABSOLUTE MAXIMUM RATINGS These are stress ratings only and functional operation of the device at these ratings or any other above those indicated in the operation sections of the specifications below is not implied.
Exposure to absolute maximum rating conditions for extended periods of time may affect reliability.
VCC+7V Input Voltages Drivers.
.
.
-0.
5V to (VCC+0.
5V) Receivers.
±14V Output Voltages Drivers±14V Receivers.
.
.
-0.
5V to (VCC+0.
5V) Storage Temperature.
.
...


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