SN65HVD77DR - Texas Instruments

Manufacturer Part Number

SN65HVD77DR

Manufacturer

Texas Instruments

Introduction

The SN65HVD77DR is a robust full-duplex RS422/RS485 transceiver designed by Texas Instruments, meant to facilitate reliable communication over long distances in industrial environments.

Product Features and Performance

Full-duplex RS422/RS485 transceiver

Data rates up to 50Mbps

Low bus capacitance allowing up to 256 nodes on a bus

Wide common-mode range for noisy environments

Electrostatic discharge (ESD) protection for bus pins

Thermal shutdown protection

Product Advantages

High-speed data communication

Improved signal integrity and noise immunity

Suitable for multi-point applications

Resistant to voltage spikes and surges

Key Technical Parameters

Protocol: RS422, RS485

Number of Drivers/Receivers: 1/1

Duplex: Full

Receiver Hysteresis: 70 mV

Data Rate: 50Mbps

Voltage Supply: 3V ~ 3.6V

Operating Temperature: -40°C ~ 125°C

Quality and Safety Features

Designed for rugged industrial applications

Over-temperature protection

ESD protection exceeds JESD 22

Compatibility

Industry-standard 8-SOIC packaging

Compatible with RS422 and RS485 standard protocols

Application Areas

Industrial control systems

Building automation

Networked security systems

Data communication for field instruments

Product Lifecycle

Product Status: Active

Not indicated to be nearing discontinuation

Replacement parts or upgrades should be available through Texas Instruments

Several Key Reasons to Choose This Product

High reliability and protection features suited for industrial environments

Efficient communication with high data rates for robust performance

Flexibility with multi-point applications

Active product lifecycle assurance from Texas Instruments

Compatibility with standard protocols for easy integration in existing systems