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ST485EX - RS-485/RS-422 transceiver

Download the ST485EX datasheet PDF. This datasheet also covers the ST485EB variant, as both devices belong to the same rs-485/rs-422 transceiver family and are provided as variant models within a single manufacturer datasheet.

General Description

Driver is short-circuit current limited and is protected against excessive power dissipation by thermal shutdown circuitry that place the driver outputs into a high-impedance state.

Key Features

  • Low quiescent current: 300 µA.
  • Designed for RS-485 interface.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (ST485EB-STMicroelectronics.pdf) that lists specifications for multiple related part numbers.

📁 Similar Datasheet

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Other Datasheets by STMicroelectronics

Part Number Description
ST485EB RS-485/RS-422 transceiver
ST485EC RS-485/RS-422 transceiver
ST485ER Low power RS-485/RS-422 transceiver
ST485A Very high speed low power RS-485/RS-422 transceiver
ST485B Low power RS-485/RS-422 transceiver

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.

View original datasheet text
ST485EB ST485EC - ST485EX ±15 kV ESD protected, low power RS-485/RS-422 transceiver Features ■ Low quiescent current: 300 µA ■ Designed for RS-485 interface application ■ - 7 V to 12 V common mode input voltage range ■ Driver maintains high impedance in 3-state or with the power OFF ■ 70 mV typical input hysteresis ■ 30 ns propagation delay, 5 ns skew ■ Operates from a single 5 V supply ■ Current limiting and thermal shutdown for driver overload protection ■ ESD protection: – ± 15 kV (HBM) – ± 8 kV (IEC-1000-4-2 contact discharge) ■ Allows up to 256 transceivers on the bus Description SO-8 Driver is short-circuit current limited and is protected against excessive power dissipation by thermal shutdown circuitry that place the driver outputs into a high-impedance state.