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TRS3221 Datasheet 3-v To 5.5-v Rs-232 Line Driver/receiver

Manufacturer: Texas Instruments

Overview: Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TRS3221 SLLS814A – JULY 2007 – REVISED JUNE 2015 TRS3221 3-V to 5.

General Description

The TRS3221 device consists of one line driver, one line receiver with dedicated enable pin, and a dual charge-pump circuit with ±15-kV ESD protection pinto-pin (serial-port connection pins, including GND).

The device meets the requirements of TIA/EIA-232-F and provides the electrical interface between an asynchronous communication controller and the serial-port connector.

The charge pump and four small external capacitors allow operation from one 3-V to 5.5-V supply.

Key Features

  • 1 RS-232 Bus-Pin ESD Protection Exceeds ±15 kV Using Human-Body Model (HBM).
  • Meets or Exceeds the Requirements of TIA/EIA232-F and ITU V.28 Standards.
  • Operates With 3-V to 5.5-V VCC Supply.
  • Operates up to 250 kbps.
  • One Driver and One Receiver.
  • Low Standby Current: 1-μA Typical.
  • External Capacitors: 4 × 0.1 μF.
  • Accepts 5-V Logic Input With 3.3-V Supply.
  • Alternative High-Speed Pin-Compatible Device (1 Mbps).

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