Texas Instruments

SN74HC157D  

Encoders, Decoders, Multiplexers & Demultiplexers

SN74HC157D Description

The SN74HC157D from Texas Instruments is a high-speed 4 x 2:1 multiplexer integrated circuit (IC) designed for surface-mount applications. Operating within a 2V to 6V supply voltage range, this device is part of the 74HC series, known for its low power consumption and high noise immunity. Packaged in a 16-SOIC tube, it features single-supply voltage operation and delivers a balanced 7.8mA output current (both high and low), making it suitable for interfacing with TTL and CMOS logic systems. With REACH Unaffected and ROHS3 Compliant certifications, it meets stringent environmental standards while ensuring reliability in industrial and consumer applications.

SN74HC157D Features

• 4 x 2:1 Multiplexer Configuration: Enables efficient data selection from two inputs across four channels.
• Wide Voltage Range (2V–6V): Compatible with diverse logic levels, including 3.3V and 5V systems.
• High Output Drive (7.8mA): Ensures robust signal integrity in bus-oriented systems.
• Low Power Consumption: HC-series technology minimizes energy use without sacrificing speed.
• Surface-Mount (SOIC-16): Compact footprint ideal for space-constrained PCB designs.
• MSL 1 (Unlimited): No moisture sensitivity concerns during storage or assembly.
• Single-Supply Operation: Simplifies power management in mixed-voltage environments.

SN74HC157D Applications

The SN74HC157D excels in data routing, signal gating, and bus sharing tasks, including:

• Digital Communication Systems: Multiplexing control signals in telecommunication hardware.
• Embedded Systems: Data selection in microcontrollers and FPGA-based designs.
• Industrial Automation: Interface logic for PLCs and sensor networks.
• Consumer Electronics: Signal switching in audio/video equipment and gaming consoles.
• Automotive Electronics: Reliable performance in infotainment and control modules.

Conclusion of SN74HC157D

The SN74HC157D stands out for its versatility, low-power operation, and robust output drive, making it a preferred choice for high-speed multiplexing applications. Its wide voltage compatibility and compact SOIC package cater to modern electronics demanding efficiency and space savings. Whether in industrial, automotive, or consumer systems, this IC delivers reliable performance while adhering to environmental and safety standards. For engineers seeking a cost-effective, high-performance multiplexer, the SN74HC157D is a compelling solution.

SN74HC157D Documents

Download datasheets and manufacturer documentation for SN74HC157D

PCN Part Status Change :

Mult Dev Status Chg 25/Apr/2023      

Datasheets :

SN54HC157, SN74HC157      

PCN Design/Specification :

Mult Devices Font 21/Apr/2018       Design 25/Feb/2022