Texas Instruments

CD74ACT139ME4  

Encoders, Decoders, Multiplexers & Demultiplexers

CD74ACT139ME4 Description

The CD74ACT139ME4 is a high-performance Decoder/Demultiplexer IC from Texas Instruments, designed for a wide range of digital logic applications. This device features a 1 x 2:4 decoding structure, providing two independent circuits that can be used to manage multiple signal paths efficiently. The CD74ACT139ME4 is part of the 74ACT series, known for its robust performance and reliability in various electronic systems.

CD74ACT139ME4 Features

• Dual Independent Circuits: The CD74ACT139ME4 offers two separate 1 x 2:4 decoder/demultiplexer circuits, allowing for versatile signal routing and control in complex digital systems.
• Single Supply Operation: It operates from a single supply voltage ranging from 4.5V to 5.5V, simplifying power management and reducing the need for multiple power sources.
• High Current Capability: Each output can drive up to 24mA in both high and low states, ensuring strong signal integrity and compatibility with a wide range of load conditions.
• Surface Mount Technology: The CD74ACT139ME4 is designed for surface mount applications, making it ideal for modern, space-constrained PCB designs and automated manufacturing processes.
• Moisture Sensitivity Level (MSL) 1: With an MSL rating of 1, the device is classified as unlimited, meaning it can be safely stored and handled without the need for special moisture protection, enhancing its usability in various environments.
• Compliance and Standards: The CD74ACT139ME4 is REACH unaffected and ROHS3 compliant, ensuring it meets the stringent environmental and safety standards required by modern electronics manufacturing.
• Packaging: Available in a tube package, it is suitable for bulk handling and storage, facilitating efficient inventory management and assembly line operations.

CD74ACT139ME4 Applications

The CD74ACT139ME4 is ideal for applications requiring efficient signal decoding and demultiplexing. Its dual independent circuits make it particularly useful in systems where multiple signal paths need to be managed simultaneously. Some specific use cases include:

• Digital Signal Processing: In applications such as digital audio and video processing, the CD74ACT139ME4 can route control signals to various processing units, ensuring efficient data flow and management.
• Microcontroller Interfaces: It can be used to expand the addressable memory space or control multiple peripherals connected to a microcontroller, enhancing system functionality and flexibility.
• Communication Systems: In networking and communication devices, the CD74ACT139ME4 can manage signal routing between different components, such as multiplexers, demultiplexers, and control units, improving overall system performance.
• Industrial Control Systems: For industrial automation and control, the device can handle multiple input/output signals, enabling precise control and monitoring of various processes.

Conclusion of CD74ACT139ME4

The CD74ACT139ME4 from Texas Instruments is a versatile and reliable Decoder/Demultiplexer IC, offering significant advantages over similar models. Its dual independent circuits, high current capability, and single supply operation make it an excellent choice for a wide range of digital logic applications. With its surface mount design, compliance with environmental standards, and robust performance, the CD74ACT139ME4 is well-suited for modern electronics manufacturing and can significantly enhance the functionality and efficiency of various digital systems.

CD74ACT139ME4 Documents

Download datasheets and manufacturer documentation for CD74ACT139ME4

EOL :

Product Discontinuance Notification (PDF)      

Images :

Mechanical Outline Drawing      

Models :

CD74ACT139ME4 Symbol & Footprint by SnapMagic      

Product Catalogs :

Logic Guide (Rev. AB)