Texas Instruments

SN74LS253DR  

Encoders, Decoders, Multiplexers & Demultiplexers

SN74LS253DR Description

The SN74LS253DR is a high-performance multiplexer integrated circuit (IC) designed by Texas Instruments. This 2 x 4:1 multiplexer is part of the 74LS series, known for its reliability and efficiency in digital logic applications. The SN74LS253DR is housed in a surface-mount package, specifically a 16SOIC, making it suitable for compact and space-constrained designs. It operates within a voltage supply range of 4.75V to 5.25V, ensuring compatibility with standard digital systems. The device is designed to function within an operating temperature range of 0°C to 70°C, making it suitable for a wide range of environmental conditions.

SN74LS253DR Features

• Independent Circuits: The SN74LS253DR features one independent 2 x 4:1 multiplexer circuit, providing efficient signal selection and routing.
• Voltage Supply Source: It operates on a single supply voltage, simplifying power management and reducing the complexity of the power supply design.
• Current Handling: The IC can handle output currents of 2.6mA for high-level signals and 8mA for low-level signals, ensuring robust performance in various applications.
• Compliance and Safety: The SN74LS253DR is REACH unaffected and RoHS3 compliant, meeting stringent environmental and safety standards. It also has a moisture sensitivity level (MSL) of 1, indicating it is suitable for unlimited exposure to standard environmental conditions.
• Packaging: Available in a tape and reel (TR) package, the SN74LS253DR is ideal for automated assembly processes, enhancing manufacturing efficiency and reducing production costs.

SN74LS253DR Applications

The SN74LS253DR is ideal for a variety of applications where efficient signal routing and selection are required. Some specific use cases include:

• Digital Systems: Used in digital systems for signal multiplexing, allowing multiple input signals to be selected and processed by a single output line.
• Data Acquisition: In data acquisition systems, the SN74LS253DR can route multiple sensor inputs to a single analog-to-digital converter, optimizing system design and reducing component count.
• Communication Systems: Ideal for communication systems where multiple data streams need to be selected and transmitted over a single channel.
• Automotive Electronics: Suitable for automotive applications where space is limited and reliability is crucial, such as in electronic control units (ECUs) and infotainment systems.

Conclusion of SN74LS253DR

The SN74LS253DR from Texas Instruments is a versatile and reliable multiplexer IC that offers significant advantages in digital logic applications. Its compact surface-mount package, single supply voltage operation, and robust current handling capabilities make it an excellent choice for modern electronic designs. The device's compliance with environmental and safety standards ensures it meets the requirements of contemporary manufacturing processes. Whether used in digital systems, data acquisition, communication systems, or automotive electronics, the SN74LS253DR provides efficient signal routing and selection, enhancing the performance and reliability of the overall system.

SN74LS253DR Documents

Download datasheets and manufacturer documentation for SN74LS253DR

Datasheets :

SN54/74(LS,S)253      

HTML Datasheet :

SN54/74(LS,S)253      

PCN Design/Specification :

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