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MM74HCT540N from NS,National Semiconductor

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MM74HCT540N

Manufacturer: NS, FSC

Inverting Octal 3-STATE Buffer

Partnumber Manufacturer Quantity Availability
MM74HCT540N NS, FSC 49 In Stock

Description and Introduction

Inverting Octal 3-STATE Buffer **Enhance Your Digital Circuit Performance with the MM74HCT540N Octal Buffer/Line Driver**  

In the realm of digital electronics, signal integrity and efficient data transmission are critical. The **MM74HCT540N** stands out as a reliable solution for buffering and driving signals in high-speed digital systems. This octal buffer and line driver, designed with high-speed CMOS technology, ensures robust performance while maintaining compatibility with TTL logic levels.  

Engineered for versatility, the MM74HCT540N features **eight inverting buffers** with **3-state outputs**, allowing seamless integration into bus-oriented systems. The device supports **bidirectional data flow** while providing high noise immunity, making it ideal for applications where signal degradation is a concern. With an **output current capability of 6 mA**, it efficiently drives capacitive loads, ensuring stable operation in complex circuit designs.  

A key advantage of the MM74HCT540N is its **wide operating voltage range (4.5V to 5.5V)**, making it suitable for both **5V TTL and CMOS systems**. Its **low power consumption** and **fast propagation delay** (typically **13 ns**) enhance energy efficiency without compromising speed—crucial for high-performance computing and communication systems.  

Common applications include **microprocessor interfacing, memory address driving, and bus buffering**, where signal isolation and amplification are essential. The device’s **3-state control** enables multiple devices to share a common bus without interference, simplifying system architecture.  

For engineers and designers seeking a dependable, high-speed buffer solution, the **MM74HCT540N** delivers precision, efficiency, and durability. Its industry-standard pinout and robust construction ensure seamless integration into existing designs while future-proofing new developments.  

Whether optimizing signal integrity or enhancing system reliability, the MM74HCT540N remains a trusted choice for modern digital electronics.

Application Scenarios & Design Considerations

Inverting Octal 3-STATE Buffer

Alternative Part Number

  • CD74HCT540E --: Same HCT logic family octal inverting buffer/driver with 3-state outputs in a DIP-20 package, pin-compatible and widely available.
  • SN74HCT540N --: Direct functional equivalent HCT octal buffer/line driver with inverted 3-state outputs, same DIP-20 pinout and TTL-compatible thresholds.
  • MC74HCT540AN --: HCT octal inverting buffer with 3-state outputs in DIP-20, electrically compatible drop-in replacement for the original part.
  • 74HCT540N --: Standard 74HCT540 octal inverting buffer in DIP-20, directly interchangeable in function, pinout and TTL-compatible thresholds.

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