TRS3221CPWR - Texas Instruments

Manufacturer Part Number

TRS3221CPWR

Manufacturer

Texas Instruments

Introduction

The TRS3221CPWR is a full-duplex serial transceiver from Texas Instruments, designed for RS232 communication protocol.

Product Features and Performance

Full-duplex RS232 transceiver

Integrated charge pump circuitry for single-voltage supply operation

1 Driver and 1 Receiver

Supports data rates up to 250kbps

Low-operating current

ESD protection for RS-232 bus pins

Product Advantages

Wide supply voltage range (3V to 5.5V) accommodates varied logic levels

Designed for low-power applications to conserve energy

Receiver hysteresis of 500 mV for increased noise immunity.

Key Technical Parameters

Number of Drivers/Receivers: 1/1

Duplex: Full

Receiver Hysteresis: 500 mV

Data Rate: 250kbps

Voltage - Supply: 3V ~ 5.5V

Operating Temperature Range: 0°C ~ 70°C

Quality and Safety Features

Electrostatic Discharge (ESD) protection for RS-232 I/O pins

Thermal shutdown protection

Compatibility

Compatible with the RS232 protocol

Designed for use with single-ended data transmission systems

Application Areas

Point-of-sale terminals

Modems

Serial data communication in embedded systems

Product Lifecycle

Obsolete - check for potential replacements or alternative solutions.

Replacement or upgrade paths may exist with newer transceiver models.

Several Key Reasons to Choose This Product

Ideal for applications requiring a single supply voltage

Reduced power consumption suitable for battery-powered devices

Compliance with RS232 communication standards

Built-in ESD protection safeguards against unexpected voltage spikes

Compact 16-TSSOP package suitable for space-constrained applications.