SN65HVD21DR - Texas Instruments

Manufacturer Part Number

SN65HVD21DR

Manufacturer

Texas Instruments

Introduction

The SN65HVD21DR is an RS422/RS485 transceiver designed for high-speed data transmission over long cable lengths.

Product Features and Performance

RS422/RS485 protocol support

Half-duplex communication channel

1 Driver/1 Receiver configuration

Receiver Hysteresis of 130 mV ensures improved noise immunity

Up to 5Mbps data rate for efficient communication

-40°C to 85°C operating temperature range suitable for industrial environments

Surface Mount device

Supplied in Tape & Reel packaging for automated assembly

Product Advantages

Reliable data transmission in noisy environments

Suitable for long-distance applications

Flexible power supply range (4.5V to 5.5V)

Industry-standard 8-SOIC package conserves board space

Key Technical Parameters

Duplex: Half

Data Rate: 5Mbps

Supply Voltage: 4.5V to 5.5V

Operating Temperature: -40°C to 85°C

Mounting Type: Surface Mount

Package / Case: 8-SOIC (0.154", 3.90mm Width)

Receiver Hysteresis: 130 mV

Quality and Safety Features

Robust construction for longevity and reliability in harsh conditions

Compatibility

Designed to interface with RS422 and RS485 signal levels

Compatible with standard 8-SOIC footprint

Application Areas

Industrial control systems

Building automation

Networked communication systems

Factory automation and robotics

Product Lifecycle

The product status is active, indicating ongoing production and availability

Not currently near discontinuation without a notice of replacement or upgrade

Several Key Reasons to Choose This Product

Texas Instruments' reputation for reliability and quality

Enhanced noise immunity due to receiver hysteresis

High-speed data rates suitable for modern applications

Wide operating temperature suited for industrial and outdoor environments

Standard packaging and surface mount form factor for ease of design and manufacturing

Active product lifecycle status assures long-term availability