Texas Instruments

SN74HC157PWT  

Encoders, Decoders, Multiplexers & Demultiplexers

SN74HC157PWT Description

The SN74HC157PWT is a high-performance multiplexer IC from Texas Instruments, designed to efficiently manage and route multiple input signals to a single output line. This 4 x 2:1 multiplexer is part of the 74HC series, renowned for its robustness and reliability in digital logic applications. The device operates on a single supply voltage ranging from 2V to 6V, making it suitable for a wide range of power supply configurations. It features a surface-mount package, specifically the 16TSSOP format, which is ideal for compact and space-constrained designs.

SN74HC157PWT Features

• Circuit Configuration: The SN74HC157PWT is designed with four independent 2:1 multiplexers, enabling the selection of one of two input signals for each multiplexer. This configuration allows for efficient signal routing and control in complex digital systems.
• Single Supply Operation: The device operates on a single supply voltage between 2V and 6V, providing flexibility in power supply design and ensuring compatibility with various voltage levels.
• Output Current Capability: With an output current capability of 7.8mA for both high and low states, the SN74HC157PWT can drive a variety of loads, making it suitable for applications requiring moderate current handling.
• Compliance and Standards: The SN74HC157PWT is REACH unaffected and RoHS3 compliant, ensuring it meets the highest environmental and safety standards. The moisture sensitivity level (MSL) is rated at 1 (unlimited), making it suitable for a wide range of manufacturing environments.
• Packaging: The device is available in a Tape & Reel (TR) package, facilitating automated assembly processes and ensuring high reliability during manufacturing.

SN74HC157PWT Applications

The SN74HC157PWT is ideal for applications requiring efficient signal routing and control in digital systems. Some specific use cases include:

• Data Acquisition Systems: In systems where multiple sensors or data sources need to be multiplexed to a single processing unit, the SN74HC157PWT provides a reliable and efficient solution.
• Communication Interfaces: For applications involving multiple communication channels, such as UART or SPI, the multiplexer can route signals to a single interface, simplifying hardware design.
• Microcontroller Peripherals: When interfacing with microcontrollers, the SN74HC157PWT can manage multiple input signals, reducing the number of required I/O pins and simplifying the overall system architecture.
• Automotive Electronics: In automotive applications, the device can be used to manage signals from various sensors and control modules, ensuring efficient and reliable signal routing.

Conclusion of SN74HC157PWT

The SN74HC157PWT from Texas Instruments is a versatile and reliable multiplexer IC, offering significant advantages in digital signal routing and control. Its robust single supply operation, moderate current handling capability, and compliance with industry standards make it an ideal choice for a wide range of applications. Whether used in data acquisition systems, communication interfaces, or automotive electronics, the SN74HC157PWT provides a high-performance solution that simplifies design and enhances system reliability.

SN74HC157PWT Documents

Download datasheets and manufacturer documentation for SN74HC157PWT

PCN Part Status Change :

Mult Dev Status Chg 25/Apr/2023      

Datasheets :

SN54HC157, SN74HC157      

PCN Design/Specification :

Design 22/Feb/2022