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74ACT139PC  

Encoders, Decoders, Multiplexers & Demultiplexers

74ACT139PC Description

The 74ACT139PC is a high-performance decoder/demultiplexer IC designed for a wide range of digital applications. Manufactured by onsemi, this device is part of the 74ACT series and is housed in a through-hole package, making it suitable for traditional PCB assembly techniques. The 74ACT139PC features two independent 1 x 2:4 decoder circuits, providing versatile signal routing and decoding capabilities. It operates on a single supply voltage ranging from 4.5V to 5.5V, ensuring compatibility with standard digital systems.

74ACT139PC Features

• Dual Independent Circuits: The 74ACT139PC includes two independent decoder circuits, each capable of converting a 2-bit input into a 4-bit output. This dual functionality allows for efficient use of space and resources in complex digital systems.
• High Current Capability: The device offers a robust current handling capability of 24mA for both high and low output states, ensuring reliable performance even under demanding conditions.
• Single Supply Operation: With a supply voltage range of 4.5V to 5.5V, the 74ACT139PC is designed to operate efficiently from a single supply source, simplifying power management in digital circuits.
• Through-Hole Mounting: The through-hole package type facilitates easy integration into existing PCB designs, making it ideal for both prototyping and production environments.
• Obsolete Status: While the 74ACT139PC is marked as obsolete, it remains a reliable choice for legacy systems and applications where its specific features are required.
• Compliance and Safety: The 74ACT139PC is REACH unaffected, ensuring compliance with environmental and safety regulations. It also has a moisture sensitivity level (MSL) of 1 (unlimited), making it suitable for various storage and operational conditions.

74ACT139PC Applications

The 74ACT139PC is well-suited for a variety of applications where efficient signal decoding and demultiplexing are required. Some specific use cases include:

• Digital Systems: Ideal for use in digital systems where multiple signals need to be decoded or demultiplexed efficiently. Its dual decoder circuits allow for simultaneous processing of two separate signal paths.
• Control Systems: In control systems, the 74ACT139PC can be used to decode control signals, enabling precise control over various components and processes.
• Communication Systems: The device can be used in communication systems to route and decode signals, ensuring accurate data transmission and reception.
• Legacy Systems: For systems that require compatibility with older components and protocols, the 74ACT139PC provides a reliable solution with its established performance and compatibility.

Conclusion of 74ACT139PC

The 74ACT139PC is a versatile decoder/demultiplexer IC that offers significant benefits in terms of performance and functionality. Its dual independent circuits, high current capability, and single supply operation make it a valuable component for a wide range of digital applications. While marked as obsolete, the 74ACT139PC remains a reliable choice for legacy systems and applications where its specific features are essential. Its compliance with environmental and safety regulations, along with its robust performance, ensures that it continues to be a preferred choice in the electronics industry.

74ACT139PC Documents

Download datasheets and manufacturer documentation for 74ACT139PC

Datasheets :

74ACT139SC Datasheet      

Environmental Information :

onsemi RoHS       onsemi REACH