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SP336E - 3.3V - 5V PROGRAMMABLE RS-232/RS-485/RS-422 SERIAL TRANSCEIVER

General Description

The SP336E is a monolithic serial multi-transceiver device that contains both RS-232 and RS-485/RS422 line drivers and receivers.

Key Features

  • 3.3V or 5V Single Supply Operation.
  • Robust +/-15kV ESD Protection (IEC 61000-4-2 Air Gap).
  • Software Selectable Mode Selection.
  • Up to 4 Drivers, 4 Receivers RS-232/V.28.
  • Up to 2 Drivers, 2 Receivers RS-485/RS-422.
  • Full or Half Duplex Configurations.
  • 1/8th Unit Load, up to 256 receivers on bus.
  • Mixed RS-232/RS-485 modes.
  • Pin Programmable Slew Rate for Reduced EMI.
  • RS-485 Advanced Failsafe on Open, Short or Terminate.

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Other Datasheets by Exar (now MaxLinear)

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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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SP336E 3.3V - 5V PROGRAMMABLE RS-232/RS-485/RS-422 SERIAL TRANSCEIVER MARCH 2010 REV. 1.0.0 GENERAL DESCRIPTION The SP336E is a monolithic serial multi-transceiver device that contains both RS-232 and RS-485/RS422 line drivers and receivers. The configuration of the SP336E can be reconfigured into eight operating modes including RS-232 only (4TX/4RX), RS-485/ RS-422 only (2TX/2RX) full or half duplex, two RS232/RS-485 mixed modes. two shutdown modes and a diagnostic loop-back mode. Modes may be selected at any time by changing the logic state of the three MODE pins. The device can implement a dualmode serial port, mixed mode ports or as an interface signal translator. The Exar charge pumps deliver true RS-232 driver output voltages from a single power supply at either 3.3V or 5V.