ST3222CTR - STMicroelectronics

Manufacturer Part Number

ST3222CTR

Manufacturer

STMicroelectronics

Introduction

The ST3222CTR is a dual-channel RS-232 transceiver that provides a standard interface between digital systems and RS-232 peripherals.

Product Features and Performance

Operates from a single 3V to 5.5V power supply

Fully specified for data rates up to 250 kbps

Receiver input threshold voltage of ±500 mV

Receiver input hysteresis of 500 mV

2 drivers and 2 receivers

Powered off from the RS-232 side

Meets or exceeds EIA/TIA-232-F and ITU-T V.28 specifications

Latch-up performance exceeds 100 mA per JESD 78 Class II

ESD protection on all pins exceeds ±15 kV for human body model and ±8 kV for machine model

Product Advantages

Compact 20-TSSOP package

Low power consumption

Reliable and robust design

Meets industry-standard RS-232 interface requirements

Key Technical Parameters

Operating Voltage: 3V to 5.5V

Full-Duplex Operation

Data Rate: Up to 250 kbps

Receiver Hysteresis: 500 mV

Operating Temperature: 0°C to 70°C

Quality and Safety Features

RoHS3 compliant

ESD protection on all pins

Latch-up performance exceeds industry standards

Compatibility

The ST3222CTR is compatible with a wide range of digital systems and RS-232 peripherals.

Application Areas

Industrial control systems

Point-of-sale terminals

Data communication equipment

Test and measurement instruments

Peripherals with RS-232 interfaces

Product Lifecycle

The ST3222CTR is a mature and widely used product. It is not nearing discontinuation, and replacement or upgrade options are available from the manufacturer.

Key Reasons to Choose This Product

Reliable and robust design

Meets industry-standard RS-232 interface requirements

Compact and power-efficient

Wide operating voltage range

High-speed data rates up to 250 kbps

Extensive ESD and latch-up protection

RoHS3 compliance for environmental safety