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UT3221 - MULTICHANNAEL RS-232 LINE DRIVER/RECEIVER

General Description

The UTC UT3221/E consists of 1 driver and 1 receiver.

It meets ElA/TIA-232 and V.28/V.24 specifications, it intended for notebook computer applications.

A high-efficiency, dual charge-pumps power supply and a low-dropout transmitter combine to deliver true RS-232 performance from a single +3.0V~+5.

Key Features

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  • Operates With 3.0V to 5.5V Power Supply.
  • One Driver and One Receiver.
  • Operates Up To 250 kbps.
  • Designed to Transmit at a Data Rate of 250 kbps.
  • Low Standby Current (1µA Typical).
  • External Capacitors (4.
  • 0.1µF).
  • Accepts 5.0V Logic Input With 3.3V Supply.
  • Serial-Mouse Drivability.
  • Exceeds ±8KV ESD Protection(HBM) for RS-232 I/O Pins.

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Other Datasheets by Unisonic Technologies

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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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UNISONIC TECHNOLOGIES CO., LTD UT3221/E +3.0V TO +5.5V POWER SUPPLY, 250KBPS, MULTICHANNAEL RS-232 LINE DRIVER/RECEIVER CMOS IC SSOP-16 „ DESCRIPTION The UTC UT3221/E consists of 1 driver and 1 receiver. It meets ElA/TIA-232 and V.28/V.24 specifications, it intended for notebook computer applications. A high-efficiency, dual charge-pumps power supply and a low-dropout transmitter combine to deliver true RS-232 performance from a single +3.0V~+5.5V power supply. A guaranteed data rate of 250kbps provides compatibility with popular software for communicating with PCs. The UTC UT3221/E achieves 1µA supply current in shutdown condition.