SN75C189N - Texas Instruments

Manufacturer Part Number

SN75C189N

Manufacturer

Texas Instruments

Introduction

The SN75C189N is a low-power quadruple RS-232 line receiver.

Product Features and Performance

Four independent receivers

Compatible with RS232 communication protocol

330 mV typical hysteresis

Operates from single 5V supply

Designed for data rates consistent with RS232

Product Advantages

Low-power consumption

Enhanced electrostatic discharge (ESD) protection

Outputs can be placed in a high-impedance state

Reduced signal distortion due to hysteresis

Key Technical Parameters

Protocol: RS232

Number of Receivers: 4

Voltage Supply: 4.5V to 6V

Operating Temperature Range: 0°C to 70°C

Quality and Safety Features

Meets or exceeds the requirements of TIA/EIA-232-F

Over-voltage protection on input and output lines

Compatibility

Compatible with TTL and CMOS

Can interface with uplink and downlink RS232 signals

Application Areas

Telecommunication systems

Data transmission devices

Serial communication in consumer electronics

Product Lifecycle

Product Status: Last Time Buy

Advised to check for replacement or upgrade options

Key Reasons to Choose This Product

Reliable performance from a reputable manufacturer

Low-power consumption for energy-efficient designs

Protects against voltage surges and transient conditions

Easy integration into existing systems through Through-Hole mounting

Long-term industry recognition and use in RS232 communication systems