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UT3221E - MULTICHANNAEL RS-232 LINE DRIVER/RECEIVER

Download the UT3221E datasheet PDF. This datasheet also covers the UT3221 variant, as both devices belong to the same multichannael rs-232 line driver/receiver family and are provided as variant models within a single manufacturer datasheet.

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.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (UT3221-UTC.pdf) that lists specifications for multiple related part numbers.

📁 Similar Datasheet

Part Number Description Manufacturer
UT3222 3V TO 5.5V MULTICHANNEL RS-232 LINE TRANSCEIVERS UNISONIC TECHNOLOGIES
UT3223 RS-232 LINE DRIVERS/RECEIVERS UNISONIC TECHNOLOGIES
UT3232 3.0V TO 5.5V LOW POWER MULTICHANNEL RS-232 LINE TRANSCEIVERS UNISONIC TECHNOLOGIES
UT3243 MULTICHANNAEL RS-232 LINE DRIVERS/RECEIVERS UNISONIC TECHNOLOGIES
UT3005 STANDARD RECOVERY RECTIFIERS Digitron Semiconductors

Other Datasheets by Unisonic Technologies

Part Number Description
UT3221 MULTICHANNAEL RS-232 LINE DRIVER/RECEIVER
UT3227 RS-232 LINE DRIVER/RECEIVER
UT3202 3.0V TO 5.5V LOW POWER MULTICHANNEL RS-232 LINE TRANSCEIVERS
UT3243A MULTICHANNAEL RS-232 LINE DRIVERS/RECEIVERS
UT32N10 N-CHANNEL MOSFET

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.

View original datasheet text
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.