Texas Instruments

SN74ALS251D  

Encoders, Decoders, Multiplexers & Demultiplexers

SN74ALS251D Description

The SN74ALS251D is a high-performance multiplexer integrated circuit designed by Texas Instruments. This device is part of the 74ALS series, known for its robustness and reliability in digital logic applications. The SN74ALS251D features a 1 x 8:1 multiplexer circuit with a single supply voltage range of 4.5V to 5.5V, making it suitable for a variety of digital systems. It operates within a temperature range of 0°C to 70°C, ensuring stable performance in typical industrial and commercial environments.

The SN74ALS251D is housed in a surface-mount package, specifically a 16SOIC, which is ideal for compact and space-efficient designs. It offers a single independent circuit, simplifying the design process and reducing complexity. The device is REACH unaffected and RoHS3 compliant, adhering to stringent environmental and safety standards. With a moisture sensitivity level (MSL) of 1, it is suitable for unlimited storage and handling, making it highly versatile for various manufacturing processes.

SN74ALS251D Features

• High-Performance Multiplexing: The SN74ALS251D provides a 1 x 8:1 multiplexer function, allowing for efficient data routing and selection among multiple input signals.
• Single Supply Operation: The device operates within a supply voltage range of 4.5V to 5.5V, simplifying power supply requirements and reducing the need for additional voltage regulation.
• Surface-Mount Packaging: The 16SOIC package ensures a compact and reliable footprint, ideal for modern printed circuit board (PCB) designs.
• Robust Output Current: With an output current capability of 2.6mA for high levels and 24mA for low levels, the SN74ALS251D can drive various loads effectively.
• Environmental Compliance: The device is REACH unaffected and RoHS3 compliant, ensuring it meets global environmental and safety standards.
• Unlimited Moisture Sensitivity Level: The MSL of 1 allows for unrestricted storage and handling, enhancing its flexibility in manufacturing environments.

SN74ALS251D Applications

The SN74ALS251D is well-suited for a variety of applications due to its robust performance and compact design. Some specific use cases include:

• Data Routing: Ideal for systems requiring efficient data routing and selection among multiple input sources, such as in digital signal processing and communication systems.
• Control Systems: Suitable for use in control systems where multiple input signals need to be selected and processed, such as in industrial automation and robotics.
• Consumer Electronics: Applicable in consumer electronics for managing multiple data streams, enhancing the functionality and performance of devices.
• Automotive Electronics: Given its operating temperature range and robustness, the SN74ALS251D can be used in automotive applications where reliability and performance are critical.

Conclusion of SN74ALS251D

The SN74ALS251D from Texas Instruments is a versatile and reliable multiplexer IC that offers significant advantages in digital logic applications. Its single supply operation, compact surface-mount packaging, and robust output current capabilities make it an excellent choice for a wide range of applications. The device's compliance with environmental and safety standards further enhances its suitability for modern electronics manufacturing. Whether used in data routing, control systems, consumer electronics, or automotive applications, the SN74ALS251D provides a reliable and efficient solution for multiplexing needs.

SN74ALS251D Documents

Download datasheets and manufacturer documentation for SN74ALS251D

Datasheets :

SN54ALS251, SN74ALS251      

PCN Obsolescence/ EOL :

Mult Dev EOL 30/Aug/2023      

HTML Datasheet :

SN54ALS251, SN74ALS251