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SP1490E - Full Duplex RS-485 Transceivers

General Description

The SP1490E is a low power differential line driver/receiver meeting RS-485 and RS-422 standards up to 20Mbps.

The SP1491E is identical to the SP1490E with the addition of driver and receiver tri-state enable lines.

Key Features

  • +5V Only.
  • Low Power BiCMOS.
  • Driver/Receiver Enable (SP1491E).
  • RS-485 and RS-422 Drivers/Receivers.
  • Pin Compatible with SN75179 (SP1490E).
  • Pin Compatible with SN75180 (SP1491E).
  • Improved ESD Specifications ±15kV Human Body Model ±15kV IEC1000-4-2 Air Discharge ±8kV IEC1000-4-2 Contact Discharge VCC 1 RO 2 DI 3 GND 4 8A SP1490E 7B 8 Pin - nSOIC 6Z 5Y.

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Datasheet Details

Part number SP1490E
Manufacturer Sipex
File Size 145.13 KB
Description Full Duplex RS-485 Transceivers
Datasheet download datasheet SP1490E Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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® SP1490E/SP1491E Full Duplex RS-485 Transceivers FEATURES ■ +5V Only ■ Low Power BiCMOS ■ Driver/Receiver Enable (SP1491E) ■ RS-485 and RS-422 Drivers/Receivers ■ Pin Compatible with SN75179 (SP1490E) ■ Pin Compatible with SN75180 (SP1491E) ■ Improved ESD Specifications ±15kV Human Body Model ±15kV IEC1000-4-2 Air Discharge ±8kV IEC1000-4-2 Contact Discharge VCC 1 RO 2 DI 3 GND 4 8A SP1490E 7B 8 Pin - nSOIC 6Z 5Y APPLICATIONS ■ Industial Networks ■ Telecom ■ Motor Control ■ HVAC/ Building Control DESCRIPTION The SP1490E is a low power differential line driver/receiver meeting RS-485 and RS-422 standards up to 20Mbps. The SP1491E is identical to the SP1490E with the addition of driver and receiver tri-state enable lines.