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MM74HCT244 from NSC,National Semiconductor

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MM74HCT244

Manufacturer: NSC, FAIRCHIL

Octal 3-STATE Buffer

Partnumber Manufacturer Quantity Availability
MM74HCT244 NSC, FAIRCHIL 4209 In Stock

Description and Introduction

Octal 3-STATE Buffer # **MM74HCT244: High-Speed Octal Buffer/Line Driver for Reliable Signal Integrity**  

In digital circuit design, maintaining signal integrity and minimizing propagation delays are critical for optimal performance. The **MM74HCT244** is a high-speed octal buffer and line driver designed to address these challenges, offering robust signal conditioning and efficient data transmission in a wide range of applications.  

## **Key Features and Benefits**  

- **High-Speed Operation**: Built with HCT (High-Speed CMOS) technology, the MM74HCT244 ensures fast signal propagation while maintaining compatibility with TTL logic levels.  
- **Octal Buffer Configuration**: The IC features eight non-inverting buffers divided into two groups of four, each with independent output enable controls for flexible system integration.  
- **Low Power Consumption**: With CMOS technology, it delivers efficient power usage, making it suitable for battery-operated and power-sensitive designs.  
- **High Noise Immunity**: The device provides strong noise resistance, ensuring reliable performance in electrically noisy environments.  
- **Wide Operating Voltage Range**: Supports a supply voltage range of 4.5V to 5.5V, making it ideal for 5V logic systems.  

## **Applications**  

The MM74HCT244 is widely used in applications requiring signal buffering, level shifting, and bus driving, including:  
- **Microprocessor and microcontroller interfacing**  
- **Memory address and data bus buffering**  
- **Industrial control systems**  
- **Communication equipment**  
- **Automotive electronics**  

## **Conclusion**  

Engineers and designers seeking a dependable solution for signal conditioning and bus driving will find the MM74HCT244 to be a versatile and efficient choice. Its combination of speed, low power consumption, and noise immunity makes it a reliable component for enhancing digital system performance.  

For detailed specifications and design considerations, refer to the product datasheet.

Application Scenarios & Design Considerations

Octal 3-STATE Buffer

Alternative Part Number

  • SN74HCT244N --: Direct pin-compatible HCT octal buffer/driver from TI, widely available and electrically equivalent to the original.
  • CD74HCT244E --: HCT-family octal buffer with same logic function and pinout, good second-source option with broad availability.
  • MC74HCT244AN --: HCT octal buffer/driver in DIP package, functionally and pin-compatible alternative from a major logic supplier.

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