Download TRS3221 Datasheet PDF
TRS3221 page 2
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TRS3221 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 munication controller and the serial-port connector. The charge pump and four small external...

TRS3221 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-patible
  • SNx5C3221