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MM74HC4538N from FAI,Fairchild Semiconductor

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MM74HC4538N

Manufacturer: FAI, FSC, FAIRCHILD

Dual Retriggerable Monostable Multivibrator

Partnumber Manufacturer Quantity Availability
MM74HC4538N FAI, FSC, FAIRCHILD 938 In Stock

Description and Introduction

Dual Retriggerable Monostable Multivibrator **Precision Timing with the MM74HC4538N Monostable Multivibrator**  

In the realm of digital electronics, precise timing control is essential for applications ranging from pulse generation to signal delay. The **MM74HC4538N** stands out as a high-performance, dual retriggerable/resettable monostable multivibrator, offering engineers a reliable solution for accurate timing operations.  

Built using advanced silicon-gate CMOS technology, the MM74HC4538N delivers the speed and low power consumption characteristic of the 74HC series while maintaining robust noise immunity. Each of its two independent multivibrators can be triggered by either a rising or falling edge, providing flexibility in circuit design. Additionally, the device features retrigger and reset capabilities, allowing for dynamic adjustments to pulse width during operation—ideal for applications requiring adaptive timing control.  

Key specifications include a wide operating voltage range (2V to 6V), making the MM74HC4538N compatible with both 3.3V and 5V systems. Its output pulse duration is determined by external resistors and capacitors, enabling precise customization from nanoseconds to seconds. With a typical propagation delay of just 15ns, this component ensures swift response times in high-speed digital systems.  

Common applications include:  
- **Pulse shaping and stretching** in communication interfaces.  
- **Debouncing switches** for clean signal transitions.  
- **Timing circuits** in industrial automation and instrumentation.  
- **Sequential logic control** in microcontroller-based designs.  

Engineers will appreciate the MM74HC4538N’s consistent performance across temperature variations, ensuring reliability in demanding environments. Its compact DIP-16 package also simplifies integration into breadboards and PCBs alike.  

For projects requiring dependable timing accuracy, the MM74HC4538N offers a versatile and efficient solution, combining precision with ease of use. Whether in prototyping or production, this monostable multivibrator remains a trusted choice for modern electronic designs.

Application Scenarios & Design Considerations

Dual Retriggerable Monostable Multivibrator

Alternative Part Number

  • CD74HC4538E --: Same HC4538 dual retriggerable monostable multivibrator function in a 16-pin DIP package, direct functional equivalent from a major logic supplier.
  • SN74HC4538N --: Pin-compatible 74HC4538 monostable multivibrator in PDIP-16 with comparable supply range and timing characteristics.
  • MC74HC4538ANG --: Alternative 74HC4538 dual monostable multivibrator in DIP-16, electrically similar and suitable as a drop-in replacement.

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