Texas Instruments

SN74AHCT139N  

Encoders, Decoders, Multiplexers & Demultiplexers

SN74AHCT139N Description

The SN74AHCT139N is a high-performance decoder/demultiplexer IC designed by Texas Instruments. This logic IC chip belongs to the 74AHCT series and is specifically engineered for applications requiring efficient signal decoding and demultiplexing. The device features two independent circuits, each providing a 1 x 2:4 decoding function. It operates on a single supply voltage ranging from 4.5V to 5.5V, ensuring compatibility with a wide range of power supply configurations.

The SN74AHCT139N is housed in a through-hole package, making it suitable for applications where robust mechanical stability is required. The package type is a tube, which facilitates easy handling and storage. This IC is REACH unaffected and RoHS3 compliant, ensuring it meets the latest environmental and safety standards.

SN74AHCT139N Features

• Independent Circuits: The SN74AHCT139N features two independent decoder/demultiplexer 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 on the PCB.
• Single Supply Voltage: The device operates within a voltage range of 4.5V to 5.5V, making it versatile for various power supply configurations.
• High Current Capability: The SN74AHCT139N can handle an output current of 8mA for both high and low states, ensuring reliable signal transmission even under load.
• Through-Hole Mounting: The through-hole mounting type provides robust mechanical stability, making it ideal for applications where durability is a priority.
• Environmental Compliance: The device is REACH unaffected and RoHS3 compliant, ensuring it meets the latest environmental and safety standards.
• Active Product Status: The SN74AHCT139N is an active product, ensuring continued availability and support from Texas Instruments.

SN74AHCT139N Applications

The SN74AHCT139N is ideal for a variety of applications where efficient signal decoding and demultiplexing are required. Some specific use cases include:

• Digital Systems: In digital systems, the SN74AHCT139N can be used to decode address lines or control signals, enabling efficient data routing and processing.
• Microcontroller Interfaces: The device can be used to expand the addressable memory space of microcontrollers by decoding address lines.
• Communication Systems: In communication systems, the SN74AHCT139N can be used to route signals to different destinations based on control inputs, enhancing system flexibility.
• Industrial Control: The robust through-hole package and high current capability make the SN74AHCT139N suitable for industrial control applications where reliability and durability are critical.

Conclusion of SN74AHCT139N

The SN74AHCT139N from Texas Instruments is a versatile and reliable decoder/demultiplexer IC that offers significant advantages over similar models. Its dual independent circuits, single supply voltage operation, and high current capability make it an excellent choice for a wide range of applications. The through-hole mounting type ensures mechanical stability, while its environmental compliance guarantees adherence to the latest safety and environmental standards. Whether used in digital systems, microcontroller interfaces, communication systems, or industrial control applications, the SN74AHCT139N provides efficient signal decoding and demultiplexing, making it a valuable component in modern electronic designs.

SN74AHCT139N Documents

Download datasheets and manufacturer documentation for SN74AHCT139N

Datasheets :

SN54/74AHCT139      

HTML Datasheet :

SN54/74AHCT139      

PCN Design/Specification :

Copper Bond Wire Revision A 04/Dec/2013       Material Set 30/Mar/2017