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MM74HCT138MX from FSC,Fairchild Semiconductor

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MM74HCT138MX

Manufacturer: FSC, FAIRCHILD, NS

3-to-8 Line Decoder

Partnumber Manufacturer Quantity Availability
MM74HCT138MX FSC, FAIRCHILD, NS 4722 In Stock

Description and Introduction

3-to-8 Line Decoder # **Enhance Your Digital Circuitry with the MM74HCT138MX Decoder/Demultiplexer**  

The **MM74HCT138MX** is a high-performance 3-to-8 line decoder/demultiplexer designed for efficient digital signal routing in a wide range of applications. Built with advanced HCT (High-Speed CMOS) technology, this component ensures fast switching speeds while maintaining low power consumption, making it an ideal choice for modern electronic designs.  

### **Key Features and Benefits**  
- **High-Speed Operation:** With propagation delays as low as 19 ns, the MM74HCT138MX ensures rapid signal decoding, critical for time-sensitive applications.  
- **Low Power Consumption:** The HCT technology provides TTL compatibility while reducing power dissipation, enhancing energy efficiency.  
- **Versatile Functionality:** Functions as both a decoder and a demultiplexer, enabling flexible use in memory addressing, data routing, and control logic systems.  
- **Wide Operating Voltage Range:** Supports 4.5V to 5.5V, ensuring stable performance in various digital environments.  
- **Three Enable Inputs:** Features two active-low and one active-high enable pins for improved control and cascading capabilities.  

### **Applications**  
The MM74HCT138MX is widely used in:  
- **Memory Decoding:** Efficiently selects memory banks in microprocessor-based systems.  
- **Data Demultiplexing:** Routes data signals to multiple output lines in communication circuits.  
- **Control Logic Systems:** Simplifies complex logic operations in industrial and consumer electronics.  

Engineers and designers seeking a reliable, high-speed decoder/demultiplexer will find the **MM74HCT138MX** to be a robust solution for optimizing digital circuit performance. Its combination of speed, efficiency, and versatility makes it a valuable component in advanced electronic systems.  

For seamless integration and superior signal management, the MM74HCT138MX stands out as a dependable choice in modern digital design.

Application Scenarios & Design Considerations

3-to-8 Line Decoder

Alternative Part Number

  • SN74HCT138DR --: Same 3-to-8 line decoder/demultiplexer function in HCT logic family, SOIC-16 package, widely available and pin-compatible.
  • CD74HCT138M --: HCT-series 3-to-8 decoder with identical logic function and pinout, SOIC-16 package, direct functional replacement.
  • 74HCT138D --: Standard 74HCT138 decoder in SOIC-16, same function and pinout, suitable drop-in alternative from a different series prefix.

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