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ST3485EI - RS-485/RS-422 transceiver

Download the ST3485EI datasheet PDF. This datasheet also covers the ST3485EB 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.

Description

The ST3485EB, ST3485EC, ST3485EI and ST3485EIY devices are ±15 kV ESD protected, 3.3 V low power transceiver for RS-485 and RS-422 communications.

These devices contain one driver and one receiver in half duplex configuration.

Features

  • ESD protection.
  • ±15 kV IEC 61000-4-2 air discharge.
  • ±8 kV IEC 61000-4-2 contact discharge.
  • Operate from a single 3.3 V supply - no charge pump required.
  • Interoperable with 5 V logic.
  • 1 µA low current shutdown mode max.
  • Guaranteed 12 Mbps data rate.
  • -7 to 12 V common mode input voltage range.
  • Half duplex versions available.
  • Industry standard 75176 pinout.
  • Current limiting and thermal shutdown for.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (ST3485EB-STMicroelectronics.pdf) that lists specifications for multiple related part numbers.

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Other Datasheets by STMicroelectronics

Part Number Description
ST3485EIY RS-485/RS-422 transceiver
ST3485E TRASMIT AT UP TO 12MBPS TRUE RS-485/RS-422 TRANSCEIVER
ST3485EB RS-485/RS-422 transceiver
ST3485EC RS-485/RS-422 transceiver
ST34C86 CMOS QUAD 3-STATE DIFFERENTIAL LINE RECEIVER

Full PDF Text Transcription

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ST3485EB, ST3485EC ST3485EI, ST3485EIY Datasheet 3.3 V powered, 15 kV ESD protected, up to 12 Mbps RS-485/ RS-422 transceiver Product status link ST3485EB, ST3485EC, ST3485EI and ST3485EIY Features • ESD protection – ±15 kV IEC 61000-4-2 air discharge – ±8 kV IEC 61000-4-2 contact discharge • Operate from a single 3.3 V supply - no charge pump required • Interoperable with 5 V logic • 1 µA low current shutdown mode max.
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