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CD74HCT4520E from TI,Texas Instruments

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CD74HCT4520E

Manufacturer: TI

High Speed CMOS Logic Dual Binary Up-Counters

Partnumber Manufacturer Quantity Availability
CD74HCT4520E TI 147 In Stock

Description and Introduction

High Speed CMOS Logic Dual Binary Up-Counters The CD74HCT4520E is a dual 4-bit binary counter manufactured by Texas Instruments (TI). Here are its key specifications:

- **Logic Type**: Dual 4-bit binary counter  
- **Technology**: High-Speed CMOS (HCT)  
- **Supply Voltage Range**: 4.5V to 5.5V  
- **Operating Temperature Range**: -55°C to +125°C  
- **Package**: 16-pin PDIP (Plastic Dual In-line Package)  
- **Output Type**: Standard  
- **Propagation Delay**: 28 ns (typical) at 5V  
- **Input Capacitance**: 3 pF (typical)  
- **Maximum Clock Frequency**: 24 MHz (typical) at 5V  
- **Power Dissipation**: 500 mW (max)  

These specifications are based on TI's official datasheet for the CD74HCT4520E.

Partnumber Manufacturer Quantity Availability
CD74HCT4520E HARRIS 169 In Stock

Description and Introduction

High Speed CMOS Logic Dual Binary Up-Counters The **CD74HCT4520E** from Intersil is a high-speed CMOS dual 4-bit binary counter designed for a wide range of digital applications. Built with HCT (High-Speed CMOS with TTL Compatibility) technology, this component ensures reliable performance while maintaining low power consumption.  

Featuring two independent counters in a single package, the CD74HCT4520E operates synchronously, with each counter capable of counting up or down based on clock inputs. Its TTL-compatible inputs and outputs make it suitable for interfacing with both CMOS and TTL logic families, enhancing versatility in circuit design.  

Key characteristics include a typical propagation delay of **20 ns**, ensuring efficient operation in high-speed systems. The device supports a supply voltage range of **4.5V to 5.5V**, making it ideal for **5V logic environments**. Additionally, it offers a buffered clock input and asynchronous master reset functionality, providing precise control over counting operations.  

Common applications include **frequency division, event counting, and timing control** in industrial, automotive, and consumer electronics. Its robust design and dependable performance make the CD74HCT4520E a preferred choice for engineers seeking a reliable counter solution.  

For detailed specifications, always refer to the manufacturer's datasheet to ensure proper integration into your design.

Partnumber Manufacturer Quantity Availability
CD74HCT4520E HARRIS/RCA 100 In Stock

Description and Introduction

High Speed CMOS Logic Dual Binary Up-Counters The CD74HCT4520E is a dual 4-bit binary counter manufactured by Harris/RCA. It is part of the HCT (High-Speed CMOS with TTL compatibility) series. Key specifications include:  

- **Supply Voltage (VCC):** 4.5V to 5.5V  
- **High-Speed Operation:** Typical propagation delay of 18ns at 5V  
- **Low Power Consumption:** 40µA (max) quiescent current  
- **TTL-Compatible Inputs:** Accepts TTL-level signals  
- **Operating Temperature Range:** -55°C to +125°C  
- **Package Type:** 16-pin DIP (Dual In-line Package)  
- **Logic Family:** HCT (High-Speed CMOS)  

This device is commonly used in counting and frequency division applications.

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