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MC74VHC14DR2 from ON,ON Semiconductor

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MC74VHC14DR2

Manufacturer: ON, MOTO

Schmitt Inverter

Partnumber Manufacturer Quantity Availability
MC74VHC14DR2 ON, MOTO 5759 In Stock

Description and Introduction

Schmitt Inverter # **MC74VHC14DR2: A High-Performance Hex Inverter with Schmitt Trigger Inputs**  

In the fast-evolving world of digital electronics, reliable signal conditioning and noise immunity are critical for ensuring stable system performance. The **MC74VHC14DR2** from ON Semiconductor is a high-speed CMOS **hex inverter with Schmitt trigger inputs**, designed to deliver superior performance in a wide range of applications.  

## **Key Features and Benefits**  

### **1. Schmitt Trigger Inputs for Noise Immunity**  
One of the standout features of the MC74VHC14DR2 is its **Schmitt trigger inputs**, which provide hysteresis and enhance noise immunity. This makes the device highly resistant to signal jitter and voltage fluctuations, ensuring clean and stable output transitions even in electrically noisy environments.  

### **2. High-Speed Operation**  
With a typical propagation delay of **4.3 ns** at 5V, the MC74VHC14DR2 is optimized for high-speed digital applications. Its **VHC (Very High-Speed CMOS)** technology ensures efficient performance while maintaining low power consumption, making it suitable for battery-powered and energy-sensitive designs.  

### **3. Wide Operating Voltage Range**  
The device operates over a **2.0V to 5.5V** supply range, providing flexibility for both **3.3V and 5V systems**. This versatility allows designers to integrate the MC74VHC14DR2 into mixed-voltage environments without requiring additional level-shifting components.  

### **4. Low Power Consumption**  
Despite its high-speed capabilities, the MC74VHC14DR2 maintains **low static and dynamic power dissipation**, a crucial advantage for portable and power-sensitive applications. The CMOS design ensures minimal power draw, contributing to extended battery life in mobile devices.  

### **5. Robust Output Drive**  
With a balanced output drive capability, the MC74VHC14DR2 can source or sink up to **8 mA**, ensuring reliable signal integrity when driving moderate loads. This makes it well-suited for interfacing with other logic families or driving small capacitive loads.  

## **Applications**  
The MC74VHC14DR2 is widely used in digital systems where signal conditioning, noise filtering, and waveform shaping are essential. Common applications include:  

- **Signal Conditioning:** Cleaning up noisy digital signals before processing.  
- **Waveform Shaping:** Converting irregular or slow-rising signals into sharp digital pulses.  
- **Oscillators & Timing Circuits:** Used in relaxation oscillators and clock generation circuits.  
- **Switch Debouncing:** Eliminating contact bounce in mechanical switches for reliable input detection.  
- **Interface Circuits:** Bridging between different logic levels in mixed-voltage systems.  

## **Package and Availability**  
The MC74VHC14DR2 is housed in a compact **SOIC-14** package, offering a space-efficient solution for PCB designs. Its industry-standard footprint ensures easy integration into existing layouts, reducing development time and cost.  

## **Conclusion**  
For engineers and designers seeking a **high-speed, noise-immune hex inverter**, the MC74VHC14DR2 stands out as a dependable choice. Its combination of **Schmitt trigger inputs, wide voltage range, and low power consumption** makes it an excellent solution for signal conditioning, timing circuits, and noise-sensitive applications.  

Whether used in industrial control systems, consumer electronics, or embedded designs, the MC74VHC14DR2 delivers the performance and reliability needed for modern digital circuits. Its robust design and versatile features ensure seamless operation in demanding environments, making it a valuable addition to any component library.

Application Scenarios & Design Considerations

Schmitt Inverter

Alternative Part Number

  • SN74AHC14DR --: Same hex Schmitt-trigger inverter function in SOIC-14, AHC family is a close logic match to VHC with comparable speed and drive.
  • 74HC14D --: Widely available hex Schmitt-trigger inverter in SOIC-14; HC family offers similar input hysteresis and is a common drop-in for VHC logic.
  • CD74HC14M --: Hex Schmitt-trigger inverter in SOIC-14 with similar threshold behavior; broad availability makes it a practical fallback.
  • 74VHC14MX --: Same VHC-family hex Schmitt-trigger inverter logic with matching speed and drive characteristics, offered in SOIC-14 and suitable as a direct replacement.
  • 74AHC14D --: Hex Schmitt-trigger inverter in SOIC-14 with similar threshold and propagation specs, a reliable alternative when VHC parts are unavailable.

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