Texas Instruments

SN74ALS257AD  

Encoders, Decoders, Multiplexers & Demultiplexers

SN74ALS257AD Description

The SN74ALS257AD is a high-performance multiplexer IC designed by Texas Instruments, part of the 74ALS series. This device features a 4 x 2:1 multiplexer circuit, providing efficient data routing and selection capabilities. It operates within a voltage supply range of 4.5V to 5.5V and is optimized for single supply operation. The SN74ALS257AD is housed in a surface mount package, making it suitable for compact and high-density PCB designs. It offers a current output capability of 2.6mA for high levels and 24mA for low levels, ensuring robust performance in various applications. The operating temperature range is from 0°C to 70°C, making it suitable for a wide range of industrial and commercial environments.

SN74ALS257AD Features

• Independent Circuits: The SN74ALS257AD features one independent 4 x 2:1 multiplexer circuit, allowing for efficient data selection and routing.
• Voltage Supply: Operates on a single supply voltage range of 4.5V to 5.5V, ensuring compatibility with standard digital systems.
• Current Capability: Provides a current output of 2.6mA for high levels and 24mA for low levels, ensuring reliable signal transmission.
• Mounting Type: Surface mount technology (SMT) enables high-density and compact PCB designs.
• Operating Temperature: Suitable for operation within a temperature range of 0°C to 70°C, making it ideal for a variety of environments.
• Compliance: The SN74ALS257AD is REACH unaffected and ROHS3 compliant, ensuring environmental and regulatory standards are met.
• Moisture Sensitivity Level: MSL 1 (Unlimited), indicating it is not sensitive to moisture, which enhances reliability in various manufacturing processes.

SN74ALS257AD Applications

The SN74ALS257AD is ideal for applications requiring efficient data selection and routing. Its compact surface mount package and robust performance make it suitable for a wide range of electronic systems, including:

• Communication Systems: Ideal for routing data in communication interfaces and protocols.
• Industrial Control: Used in PLCs and other industrial control systems for signal selection and processing.
• Consumer Electronics: Suitable for applications in consumer devices where compact size and high performance are critical.
• Automotive Electronics: Can be used in automotive systems for data routing and control functions.
• Medical Devices: Applicable in medical equipment for signal processing and data management.

Conclusion of SN74ALS257AD

The SN74ALS257AD from Texas Instruments is a versatile and reliable multiplexer IC, offering efficient data routing and selection capabilities. Its robust performance, compact surface mount package, and compliance with environmental and regulatory standards make it an excellent choice for a wide range of applications. Whether used in communication systems, industrial control, consumer electronics, automotive electronics, or medical devices, the SN74ALS257AD provides reliable performance and high-density integration. Its single supply operation and wide operating temperature range further enhance its suitability for diverse environments.

SN74ALS257AD Documents

Download datasheets and manufacturer documentation for SN74ALS257AD

Datasheets :

SN54ALS25xA, SN74A(L)S25x(A)      

PCN Obsolescence/ EOL :

Mult Dev EOL 30/Aug/2023      

PCN Design/Specification :

Mult Devices Font 21/Apr/2018