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MM74HC139MX from NS,National Semiconductor

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MM74HC139MX

Manufacturer: NS, FSC

Dual 2-to-4 Line Decoder

Partnumber Manufacturer Quantity Availability
MM74HC139MX NS, FSC 16980 In Stock

Description and Introduction

Dual 2-to-4 Line Decoder **Enhance Your Digital Designs with the MM74HC139MX Dual 2-to-4 Line Decoder/Demultiplexer**  

In the realm of digital electronics, efficient signal routing and data decoding are critical for optimizing system performance. The MM74HC139MX, a high-speed CMOS dual 2-to-4 line decoder/demultiplexer, offers a reliable solution for applications requiring precise control and signal distribution.  

Engineered for versatility, the MM74HC139MX features two independent decoders, each capable of converting two binary inputs into four mutually exclusive outputs. This functionality makes it ideal for memory address decoding, data demultiplexing, and logic-level conversion in microcontroller-based systems. With active-low enable inputs, the device ensures seamless integration into existing designs while minimizing power consumption.  

Built with high-speed CMOS technology, the MM74HC139MX delivers fast propagation delays and low power dissipation, making it suitable for battery-operated and high-performance applications. Its wide operating voltage range (2V to 6V) enhances compatibility with various logic families, including TTL interfaces. Additionally, the robust output drive capability ensures stable operation even under demanding conditions.  

Key features of the MM74HC139MX include:  
- **Dual 2-to-4 decoding** for flexible signal routing  
- **Active-low enable inputs** for improved control  
- **Low power consumption** for energy-efficient designs  
- **High noise immunity** for reliable performance in noisy environments  

Whether used in industrial automation, consumer electronics, or embedded systems, the MM74HC139MX provides a compact and efficient solution for decoding and demultiplexing tasks. Its industry-standard SOIC package ensures easy PCB integration, while its dependable performance supports long-term reliability.  

For engineers seeking a high-performance decoder/demultiplexer, the MM74HC139MX stands as a proven choice, combining speed, efficiency, and versatility in a single integrated circuit.

Application Scenarios & Design Considerations

Dual 2-to-4 Line Decoder

Alternative Part Number

  • SN74HC139DR --: Same dual 2-to-4 line decoder/demultiplexer function in HC logic family, widely available SOIC package, direct functional equivalent.
  • CD74HC139E --: Harris/Intersil-origin HC139 decoder with identical pinout and logic function, good second-source option.
  • 74HC139D --: Standard 74HC139 dual decoder in SOIC, pin-compatible and functionally equivalent, alternative supplier for supply-chain flexibility.
  • CD74HC139M --: Same HC-series dual 2-to-4 decoder function in SOIC-16, widely available and electrically compatible with the original.

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