Texas Instruments

SN74S157N  

Encoders, Decoders, Multiplexers & Demultiplexers

SN74S157N Description

The SN74S157N is a high-speed, quad 2-to-1 multiplexer (MUX) integrated circuit (IC) designed for efficient data selection and routing in various electronic systems. Manufactured by Texas Instruments, this IC is part of the 74S series, known for its robust performance and reliability. The SN74S157N features a single supply voltage operation ranging from 4.75V to 5.25V, making it suitable for applications requiring a stable power source within this range. It operates within a temperature range of 0°C to 70°C, ensuring reliable performance in standard industrial environments.

SN74S157N Features

• High-Speed Operation: The SN74S157N is designed for high-speed data switching, providing fast and efficient data routing.
• Quad 2-to-1 Multiplexing: This IC contains four independent 2-to-1 multiplexers, allowing for the selection of one of two input signals for each multiplexer.
• Single Supply Voltage: Operates on a single supply voltage between 4.75V and 5.25V, simplifying power supply requirements.
• Through Hole Mounting: The through-hole package type ensures secure and reliable mounting on printed circuit boards (PCBs).
• Low Output Current The: IC supports an output current of 1mA for high-level signals and 20mA for low-level signals, ensuring compatibility with a wide range of load conditions.
• Compliance and Safety: The SN74S157N is REACH unaffected and RoHS3 compliant, meeting environmental and safety standards.
• Moisture Sensitivity Level: With an MSL rating of 1 (unlimited), the IC is suitable for storage and handling in various environmental conditions without the need for special precautions.

SN74S157N Applications

The SN74S157N is ideal for applications requiring efficient data selection and routing, such as:

• Digital Signal Processing: Used in systems where multiple data sources need to be selected and processed, such as in digital signal processors (DSPs) and microcontrollers.
• Communication Systems: Ideal for routing data between different communication channels, ensuring seamless data transmission.
• Control Systems: Used in industrial control systems where multiple input signals need to be selected and processed based on control logic.
• Test and Measurement Equipment: Facilitates the selection of different input signals for testing and measurement applications, enhancing the flexibility and functionality of the equipment.

Conclusion of SN74S157N

The SN74S157N is a versatile and reliable quad 2-to-1 multiplexer IC, offering high-speed data switching and efficient data routing capabilities. Its single supply voltage operation, low output current, and compliance with environmental and safety standards make it a robust choice a for variety of applications. Despite being marked as obsolete, the SN74S157N remains a valuable component for systems requiring reliable data selection and routing. Its unique features and advantages over similar models ensure that it continues to meet the needs of modern electronic systems.

SN74S157N Documents

Download datasheets and manufacturer documentation for SN74S157N

Datasheets :

SN54/74157-158 , SN54/74LS157-158      

PCN Obsolescence/ EOL :

SSL Devices, 22/Jul/2014      

HTML Datasheet :

SN54/74157-158 , SN54/74LS157-158      

PCN Design/Specification :

Copper Bond Wire Revision A 04/Dec/2013