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MC74HC390ADR2 from ON,ON Semiconductor

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MC74HC390ADR2

Manufacturer: ON

Dual 4-Stage Binary Ripple Counter with Divide-By-2 and Divide-By-5 Sections

Partnumber Manufacturer Quantity Availability
MC74HC390ADR2 ON 2370 In Stock

Description and Introduction

Dual 4-Stage Binary Ripple Counter with Divide-By-2 and Divide-By-5 Sections # **MC74HC390ADR2: A High-Speed Dual Decade Counter for Precision Applications**  

In the world of digital electronics, reliable and efficient counters are essential for applications ranging from frequency division to event counting. The **MC74HC390ADR2** is a high-performance dual decade counter that delivers precision, speed, and versatility, making it an ideal choice for engineers and designers working on digital circuits.  

## **Key Features and Benefits**  

The **MC74HC390ADR2** is part of the **74HC** series, known for its high-speed CMOS technology. This IC integrates two independent **decade counters**, each consisting of a divide-by-2 and a divide-by-5 section. With its **wide operating voltage range (2V to 6V)**, it is compatible with both TTL and CMOS logic levels, ensuring seamless integration into various digital systems.  

### **High-Speed Operation**  
Designed for efficiency, the **MC74HC390ADR2** offers **fast propagation delays**, making it suitable for high-frequency applications. Its **low power consumption** further enhances its appeal for battery-operated and energy-sensitive designs.  

### **Flexible Configuration**  
Each counter can be configured independently, allowing designers to implement different counting sequences. The divide-by-2 and divide-by-5 sections can be cascaded to achieve a **divide-by-10** function or used separately for custom frequency division.  

### **Robust and Reliable**  
Built with **high noise immunity**, the MC74HC390ADR2 ensures stable performance even in electrically noisy environments. Its **industry-standard SOIC-16 package** provides durability and ease of PCB mounting, making it a practical choice for commercial and industrial applications.  

## **Applications**  

The **MC74HC390ADR2** is widely used in digital systems where precise counting and frequency division are required. Common applications include:  

- **Frequency Dividers** – Used in clock generation and signal conditioning.  
- **Digital Counters** – Ideal for event counting in timers and instrumentation.  
- **Pulse Shaping Circuits** – Helps in generating clean, synchronized signals.  
- **Industrial Control Systems** – Provides reliable counting in automation and process control.  

## **Conclusion**  

For engineers seeking a **high-speed, low-power, and flexible counter IC**, the **MC74HC390ADR2** stands out as a dependable solution. Its **dual-decade counter architecture**, combined with **wide voltage compatibility**, makes it a versatile component for a broad range of digital applications. Whether used in consumer electronics, industrial systems, or embedded designs, this IC delivers consistent performance and reliability.  

By incorporating the **MC74HC390ADR2** into your next project, you can achieve precise counting and frequency division with confidence, ensuring optimal functionality in your digital circuits.

Application Scenarios & Design Considerations

Dual 4-Stage Binary Ripple Counter with Divide-By-2 and Divide-By-5 Sections

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