Texas Instruments

SN75ALS176PE4

SN75ALS176PE4 Description

The SN75ALS176PE4 is a half-duplex transceiver designed for reliable data transmission over balanced lines, supporting both RS422 and RS485 protocols. Manufactured by Texas Instruments, this device is housed in a through-hole package and is available in a tube format. Despite being marked as obsolete, the SN75ALS176PE4 remains a robust solution for applications requiring high data rates and reliable communication.

Key technical specifications include a single driver and receiver configuration, operating within a temperature range of 0°C to 70°C (TA). The device operates on a supply voltage between 4.75V and 5.25V, ensuring compatibility with standard 5V systems. With a data rate of up to 35MBaud, the SN75ALS176PE4 is well-suited for high-speed communication tasks. The receiver incorporates a hysteresis of 60 mV, enhancing signal integrity and noise immunity.

SN75ALS176PE4 Features

The SN75ALS176PE4 offers several unique features that set it apart from similar transceiver models:

• High Data Rate: Capable of transmitting data at up to 35MBaud, ensuring fast and efficient communication.
• Receiver Hysteresis: A 60 mV hysteresis on the receiver improves noise immunity and signal integrity, making it suitable for environments with high electromagnetic interference.
• Half-Duplex Operation: The half-duplex configuration allows for bidirectional communication over a single pair of wires, simplifying wiring and reducing cost.
• Wide Operating Voltage Range: The 4.75V to 5.25V supply voltage range provides flexibility and compatibility with various power supply systems.
• Through-Hole Mounting: The through-hole package type ensures secure and reliable mechanical attachment, suitable for industrial and rugged environments.
• Compliance and Safety: The device is REACH unaffected and RoHS3 compliant, adhering to stringent environmental and safety standards.

SN75ALS176PE4 Applications

The SN75ALS176PE4 is ideal for a variety of industrial and commercial applications where reliable, high-speed data communication is essential:

• Industrial Automation: Used in PLCs (Programmable Logic Controllers) and SCADA (Supervisory Control and Data Acquisition) systems for real-time data transmission and control.
• Telecommunications: Suitable for data links in telecommunication infrastructure, ensuring robust and error-free communication.
• Transportation Systems: Employed in train control systems and traffic management applications where high reliability and data integrity are critical.
• Medical Equipment: Used in medical devices requiring reliable data transmission, such as diagnostic equipment and monitoring systems.

Conclusion of SN75ALS176PE4

The SN75ALS176PE4, despite its obsolete status, remains a reliable and efficient transceiver for high-speed data communication. Its robust features, including high data rate, receiver hysteresis, and compatibility with standard 5V systems, make it a valuable component for various industrial and commercial applications. The through-hole mounting and compliance with environmental and safety standards further enhance its suitability for rugged environments. While newer alternatives may exist, the SN75ALS176PE4 continues to offer a proven solution for reliable data transmission in RS422 and RS485 protocols.