RS-232 Overview

ESD-protected, high data-rate, and low-power mode devices for multiple applications

Complete portfolio

Includes RS-232 devices supporting data rates from 7 kbps to 1000 kbps, integrated ESD and optional IEC-61000-4-2 support and multiple Tx/Rx combinations

High-ESD transceivers

Rugged RS-232 devices designed for harsh environments with up to ±8 kV contact discharge, IEC-61000-4-2 support and ±15 kV HBM model ESD

High-speed transceivers

RS-232 transceivers offering a wide range of channel configurations, optimized for applications requiring high data rates, up to 1 Mbps

Low-voltage transceivers

Suitable for small and battery powered applications, the portfolio is compatible with numerous processors with interfaces down to 1.8 V and includes the industry’s smallest QFN RS-232 transceiver

Featured RS-232 products


Dual-transmit and receive, 1.8V, low-power RS-232 transceiver


Multi-channel, 500 kbps, RS-232 driver/receiver with +/-15-kV IEC ESD protection and IEC61000-4-2 support


Automotive-qualified, multi-channel, 250 kbps, RS-232 driver/receiver with auto-power down functionality

Technical resources

Complete board-and system-level reference design circuits to help you quickly evaluate and customize your system.

Ask questions, share knowledge and help solve problems with fellow engineers in TI’s E2E™ Community.

Read about a wide variety of RS-232 system design topics in TI’s blogs.