Texas Instruments

SN74HC157ANSR  

Encoders, Decoders, Multiplexers & Demultiplexers

SN74HC157ANSR Description

The SN74HC157ANSR is a high-performance multiplexer IC from Texas Instruments, designed to efficiently manage and switch between multiple input signals. This device is part of the 74HC series, renowned for its robustness and reliability in digital logic applications. The SN74HC157ANSR features a 4 x 2:1 multiplexer circuit, allowing it to select one of four input pairs based on control signals. It operates on a single supply voltage ranging from 2V to 6V, making it versatile for various power supply configurations. The IC is packaged in a surface-mount 16SO format, suitable for compact and high-density PCB designs.

SN74HC157ANSR Features

• Circuit Configuration: The SN74HC157ANSR includes four independent 2:1 multiplexers, each capable of selecting one of two input signals. This configuration is ideal for applications requiring multiple signal paths to be controlled by a single selector.
• Single Supply Operation: With a voltage supply range of 2V to 6V, the SN74HC157ANSR offers flexibility in power supply options, making it suitable for a wide range of electronic systems.
• High Output Current Capability: The IC supports an output current of 7.8mA for both high and low states, ensuring reliable signal transmission even under load.
• Surface Mount Packaging: The 16SO package format is designed for surface-mount technology (SMT), enabling efficient and automated assembly processes, reducing board space, and enhancing thermal performance.
• Compliance and Reliability: The SN74HC157ANSR meets REACH and RoHS3 compliance standards, ensuring environmental sustainability and regulatory adherence. Additionally, it has a Moisture Sensitivity Level (MSL) of 1, indicating it is suitable for unlimited exposure to standard manufacturing environments.
• Active Product Status: As an active product, the SN74HC157ANSR is continuously supported by Texas Instruments, ensuring long-term availability and technical support for customers.

SN74HC157ANSR Applications

The SN74HC157ANSR is well-suited for a variety of applications where signal selection and routing are critical. Some specific use cases include:

• Data Acquisition Systems: In systems where multiple sensors or data sources need to be multiplexed into a single processing path, the SN74HC157ANSR can efficiently manage the signal routing.
• Communication Interfaces: For applications requiring signal switching between different communication protocols or channels, this multiplexer provides a reliable solution.
• Automotive Electronics: Given its robustness and compliance with environmental standards, the SN74HC157ANSR is ideal for automotive applications where reliability and performance are paramount.
• Consumer Electronics: In devices such as smartphones, tablets, and home automation systems, the SN74HC157ANSR can be used to manage multiple input signals, enhancing functionality and user experience.

Conclusion of SN74HC157ANSR

The SN74HC157ANSR from Texas Instruments is a versatile and reliable multiplexer IC that offers significant advantages in signal management and routing. Its 4 x 2:1 multiplexer configuration, combined with a wide operating voltage range and high output current capability, makes it suitable for a wide range of applications. The surface-mount packaging and compliance with industry standards further enhance its appeal for modern electronic designs. Whether used in data acquisition systems, communication interfaces, automotive electronics, or consumer devices, the SN74HC157ANSR provides a robust and efficient solution for signal selection and routing needs.

SN74HC157ANSR Documents

Download datasheets and manufacturer documentation for SN74HC157ANSR

PCN :

Qualification of Carrier Tape for 14/16 pin SOP and 28 pin SSOP device (PDF)