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MM74HC540WMX from NS,National Semiconductor

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MM74HC540WMX

Manufacturer: NS

Inverting Octal 3-STATE Buffers

Partnumber Manufacturer Quantity Availability
MM74HC540WMX NS 139 In Stock

Description and Introduction

Inverting Octal 3-STATE Buffers # **MM74HC540WMX: A High-Performance Octal Buffer/Line Driver for Modern Electronics**  

The **MM74HC540WMX** is a high-speed CMOS octal buffer and line driver designed to deliver reliable signal conditioning and driving capabilities in a wide range of digital applications. Built with advanced silicon-gate CMOS technology, this component ensures low power consumption while maintaining high noise immunity and robust performance.  

Featuring **inverting 3-state outputs**, the MM74HC540WMX is ideal for bus-oriented systems where multiple devices share a common data path. The 3-state control allows outputs to be disabled, effectively isolating the bus and preventing signal contention. With an operating voltage range of **2V to 6V**, it integrates seamlessly into both 3.3V and 5V systems, making it a versatile choice for mixed-voltage environments.  

Key benefits of the MM74HC540WMX include:  
- **High-Speed Operation**: With typical propagation delays of **11ns**, it ensures efficient signal transmission in time-critical applications.  
- **Low Power Consumption**: CMOS technology minimizes power dissipation, making it suitable for battery-powered and energy-efficient designs.  
- **Strong Output Drive Capability**: Capable of driving up to **15 LSTTL loads**, it enhances signal integrity in heavily loaded circuits.  
- **Wide Operating Temperature Range**: Performs reliably from **-40°C to +85°C**, accommodating industrial and automotive applications.  

Common applications include **microprocessor interfacing, memory address driving, and bus buffering**, where signal isolation and amplification are essential. Its compact **SOIC-20 package** ensures space-efficient PCB integration, making it a practical solution for high-density designs.  

Engineers seeking a dependable, high-performance buffer/line driver will find the MM74HC540WMX to be a well-balanced solution, combining speed, efficiency, and versatility for modern digital systems.

Application Scenarios & Design Considerations

Inverting Octal 3-STATE Buffers

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