Texas Instruments

SN74HCS251DR  

Encoders, Decoders, Multiplexers & Demultiplexers

SN74HCS251DR Description

The SN74HCS251DR is a high-performance data selector/multiplexer from Texas Instruments, designed to efficiently manage multiple data inputs and select one for output based on control signals. This device is part of the 74HCS series, known for its robust performance and reliability in various electronic applications. The SN74HCS251DR features a single 1 x 8:1 circuit, allowing it to handle eight independent input signals and select one for output. It operates on a single supply voltage ranging from 2V to 6V, making it versatile for different power supply configurations. The device is packaged in a surface-mount format, specifically in a tape & reel (TR) configuration, which is ideal for automated assembly processes. With a moisture sensitivity level (MSL) of 1 (unlimited), the SN74HCS251DR is suitable for a wide range of environmental conditions without the need for special handling precautions.

SN74HCS251DR Features

The SN74HCS251DR offers several key features that make it a standout choice in its category:

• Single 1 x 8:1 Circuit: This configuration allows for efficient selection among eight input signals, making it ideal for applications requiring multiple data sources.
• Single Supply Operation: The device operates on a single supply voltage ranging from 2V to 6V, providing flexibility in power supply design and reducing complexity.
• Surface Mount Packaging: The surface-mount format ensures compatibility with modern manufacturing processes, enabling high-density and reliable assembly.
• High Output Current Capability: With an output current capability of 7.8mA for both high and low states, the SN74HCS251DR can drive a variety of loads effectively.
• Moisture Sensitivity Level 1: This high MSL rating means the device can be stored and handled without the need for moisture protection, simplifying logistics and reducing costs.
• Active Product Status: As an active product, the SN74HCS251DR is supported by Texas Instruments, ensuring availability and ongoing technical support.

SN74HCS251DR Applications

The SN74HCS251DR is well-suited for a variety of applications where data selection and multiplexing are critical. Some specific use cases include:

• Digital Signal Processing: In systems where multiple data streams need to be selected and processed, the SN74HCS251DR provides a reliable and efficient solution.
• Communication Systems: For applications involving data transmission and switching, the device’s ability to handle multiple inputs and select one for output is invaluable.
• Automotive Electronics: The robustness and flexibility of the SN74HCS251DR make it suitable for automotive applications where reliability and performance are paramount.
• Consumer Electronics: In devices such as smartphones, tablets, and other consumer electronics, the SN74HCS251DR can manage multiple data inputs efficiently, enhancing overall system performance.

Conclusion of SN74HCS251DR

The SN74HCS251DR from Texas Instruments is a versatile and reliable data selector/multiplexer, offering a range of features that make it an excellent choice for various electronic applications. Its single 1 x 8:1 circuit, single supply operation, and surface-mount packaging provide flexibility and ease of integration. The device’s high output current capability and moisture sensitivity level 1 rating further enhance its usability and reliability. Whether used in digital signal processing, communication systems, automotive electronics, or consumer electronics, the SN74HCS251DR delivers outstanding performance and value.

SN74HCS251DR Documents

Download datasheets and manufacturer documentation for SN74HCS251DR

Datasheets :

SN74HCS251      

HTML Datasheet :

SN74HCS251      

PCN Design/Specification :

Design 25/Feb/2022