Manufacturer Part Number
SN75ALS1177NSR
Manufacturer
Texas Instruments
Introduction
The SN75ALS1177NSR is a dual differential driver and receiver pair designed for bidirectional communication on multipoint bus transmission lines.
Product Features and Performance
Half-duplex transceiver functionality
Supports RS422 and RS485 protocols
Two drivers and two receivers (2/2 configuration)
Integrates 50 mV receiver hysteresis for improved noise rejection
Ensures robust signaling in electrically noisy environments
Product Advantages
Reduces the number of components in multipoint bus systems
Enhanced signaling reliability with built-in hysteresis
Compatible with industry-standard voltage supply ranges
Optimized for low power consumption
Key Technical Parameters
Duplex: Half
Receiver Hysteresis: 50 mV
Voltage - Supply: 4.75V to 5.25V
Operating Temperature: 0°C to 70°C
Mounting Type: Surface Mount
Package / Case: 16-SOIC
Supplier Device Package: 16-SO
Base Product Number: 75ALS1177
Quality and Safety Features
Built to Texas Instruments' quality and safety standards
Ensures reliable operation within specified temperature ranges
Compatibility
Designed for communication systems adhering to RS422 and RS485 standards
Surface mount package compatible with standard PCB manufacturing processes
Application Areas
Industrial control systems
Networking equipment
Data acquisition systems
Point of sale terminals
Product Lifecycle
Product Status: Active
The product is currently in production and not nearing discontinuation
Future replacements or upgrades will be informed by Texas Instruments as per their product lifecycle management
Several Key Reasons to Choose This Product
Reliable communication in industrial environments
Ensures data integrity over long cable runs
Support for multiple drivers and receivers on the same bus
Ease of integration with existing hardware and PCB designs
Resilience to voltage fluctuations within a specified range