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MC74VHC139DTR2  

Encoders, Decoders, Multiplexers & Demultiplexers

MC74VHC139DTR2 Description

The MC74VHC139DTR2 is a high-performance decoder/demultiplexer IC designed for a wide range of digital applications. This device belongs to the 74VHC series, known for its robustness and reliability in various electronic systems. Manufactured by onsemi, the MC74VHC139DTR2 features a 1 x 2:4 decoding circuitry, providing two independent circuits in a single package. It operates on a single supply voltage ranging from 2V to 5.5V, making it versatile for different power supply configurations. The device is available in a Surface Mount Tape & Reel (TR) package, ideal for automated assembly processes.

MC74VHC139DTR2 Features

• Dual Independent Circuits: The MC74VHC139DTR2 offers two independent 1 x 2:4 decoder/demultiplexer circuits, allowing for efficient signal routing and decoding in compact designs.
• Wide Operating Voltage Range: With a supply voltage range of 2V to 5.5V, this IC is suitable for a variety of power supply configurations, enhancing its flexibility in different applications.
• High Output Current Capability: The device supports an output current of 8mA both for high and low states, ensuring reliable signal transmission even under load.
• Surface Mount Packaging: The 16TSSOP package format is optimized for surface mount technology, facilitating automated assembly and reducing board space requirements.
• Moisture Sensitivity Level 1: The MC74VHC139DTR2 is classified under Moisture Sensitivity Level 1, indicating it is unaffected by moisture, which is crucial for long-term reliability in various environmental conditions.
• Compliance and Status: The device is classified under ECCN EAR99 and HTSUS 8542.39.0001, and it is REACH Unaffected, ensuring compliance with international regulations and standards.

MC74VHC139DTR2 Applications

The MC74VHC139DTR2 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 systems where multiple digital signals need to be decoded or demultiplexed, the MC74VHC139DTR2 provides a compact and efficient solution.
• Microcontroller Interfaces: The device can be used to interface with microcontrollers, expanding the number of available output lines through decoding.
• Memory Address Decoding: In memory systems, the MC74VHC139DTR2 can be employed to decode address lines, enabling access to specific memory locations.
• Telecommunications: For signal routing and decoding in telecommunication equipment, the MC74VHC139DTR2 offers reliable performance.

Conclusion of MC74VHC139DTR2

The MC74VHC139DTR2 is a versatile decoder/demultiplexer IC that stands out due to its dual independent circuits, wide operating voltage range, and high output current capability. Its surface mount packaging and moisture sensitivity level 1 classification make it suitable for modern electronic designs. Despite being classified as obsolete, the MC74VHC139DTR2 remains a reliable choice for applications requiring efficient signal decoding and demultiplexing. Its compliance with international regulations and standards ensures its continued relevance in the electronics industry.

MC74VHC139DTR2 Documents

Download datasheets and manufacturer documentation for MC74VHC139DTR2

Datasheets :

MC74VHC139      

PCN Obsolescence/ EOL :

Multiple Devices 24/Jan/2011      

HTML Datasheet :

MC74VHC139      

Environmental Information :

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