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ST4485EB Datasheet Rs-485/rs-422 Transceiver

Manufacturer: STMicroelectronics

Overview: ST4485EB 3.3 V powered, 15 kV ESD protected, up to 20 Mbps RS-485/ RS-422 transceiver Datasheet - production data  Guaranteed high receiver output state for floating inputs with no signal present  Allow up to 64.

General Description

The ST4485EB device is a ± 15 kV ESD protected, 3.3 V low power transceiver for RS-485 and RS-422 communications.

The device contains one driver and one receiver in half duplex configuration.

The ST4485EB transmits and receives at a guaranteed data rate of at least 20 Mbps.

Key Features

  • ESD protection.
  • ± 15 kV human body model.
  • ± 8 kV IEC 1000-4-2 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 20 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 driver overload protection.

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ST4485EB Distributor