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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 tristate 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 IEC61000-4-2 Air Discharge VCC 1 RO 2 DI 3 GND 4 SP1490E 88 PPiinn-nnSSOOIICC 8A 7B 6Z 5Y.

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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 IEC61000-4-2 Air Discharge VCC 1 RO 2 DI 3 GND 4 SP1490E 88 PPiinn-nnSSOOIICC 8A 7B 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 tristate enable lines.