74HC4520N,652
Product Overview
Category
The 74HC4520N,652 belongs to the category of integrated circuits (ICs).
Use
This IC is commonly used in digital electronics for various applications such as counters, timers, and frequency dividers.
Characteristics
- High-speed operation
- Wide operating voltage range
- Low power consumption
- Schmitt-trigger inputs for noise immunity
- Compatible with TTL levels
Package
The 74HC4520N,652 is available in a DIP (Dual In-line Package) format. It consists of 16 pins arranged in two rows.
Essence
The essence of this product lies in its ability to accurately count and divide input signals, making it suitable for timekeeping and frequency control applications.
Packaging/Quantity
The 74HC4520N,652 is typically packaged in tubes or reels, containing a quantity of 250 units per package.
Specifications
- Supply Voltage: 2V to 6V
- Operating Temperature Range: -40°C to +125°C
- Input Current: ±1µA
- Output Current: ±25mA
- Propagation Delay: 20ns (max)
- Counting Range: 0 to 15
Detailed Pin Configuration
The pin configuration of the 74HC4520N,652 is as follows:
__ __
| 1|__|16|
| 2 15|
| 3 14|
| 4 13|
| 5 12|
| 6 11|
| 7 10|
| 8 9|
‾‾ ‾‾
Pin Description: 1. Clock Input A 2. Reset Input A 3. Clock Input B 4. Reset Input B 5. Output B 6. Output A 7. Carry Output 8. Ground (GND) 9. Carry Input 10. Enable Input 11. Output Enable 12. Data Input A 13. Data Input B 14. VCC 15. Clock Enable 16. Clock Inhibit
Functional Features
The 74HC4520N,652 offers the following functional features:
- Dual 4-bit binary counters with individual clock and reset inputs
- Asynchronous reset for each counter
- Carry output for cascading multiple counters
- Enable input for controlling counting operation
- Clock inhibit input for pausing counting
Advantages and Disadvantages
Advantages: - High-speed operation allows for efficient counting and timing applications - Wide operating voltage range provides flexibility in various electronic systems - Low power consumption contributes to energy-efficient designs - Schmitt-trigger inputs ensure reliable operation in noisy environments - Compatibility with TTL levels enables easy integration with existing circuits
Disadvantages: - Limited counting range (0 to 15) may not be suitable for certain applications requiring larger counts - DIP package may not be ideal for space-constrained designs
Working Principles
The 74HC4520N,652 operates based on the principles of digital counting and dividing. It utilizes clock signals to increment or decrement its internal counters. The outputs reflect the current count value, while the carry output allows for cascading multiple counters to achieve higher counting ranges.
Detailed Application Field Plans
The 74HC4520N,652 finds applications in various fields, including but not limited to: - Digital clocks and timers - Frequency dividers - Industrial automation - Communication systems - Embedded systems
Detailed and Complete Alternative Models
Some alternative models that offer similar functionality to the 74HC4520N,652 include: - CD4520 - MC14520 - SN74HC4520
These alternatives can be considered based on specific requirements and availability in the market.
In conclusion, the 74HC4520N,652 is a versatile integrated circuit used for counting and dividing signals in digital electronics. Its high-speed operation, wide voltage range, and compatibility with TTL levels make it suitable for various applications. However, its limited counting range and DIP package may pose limitations in certain scenarios.
技術ソリューションにおける 74HC4520N,652 の適用に関連する 10 件の一般的な質問と回答をリストします。
Sure! Here are 10 common questions and answers related to the application of 74HC4520N,652 in technical solutions:
Q: What is the 74HC4520N,652? A: The 74HC4520N,652 is a 16-bit binary up/down counter IC (integrated circuit) with asynchronous reset.
Q: What is the maximum clock frequency supported by the 74HC4520N,652? A: The maximum clock frequency supported by the 74HC4520N,652 is typically around 25 MHz.
Q: How many inputs does the 74HC4520N,652 have? A: The 74HC4520N,652 has two clock inputs (CP1 and CP2), an asynchronous reset input (MR), and a parallel load input (PL).
Q: What is the purpose of the asynchronous reset input (MR)? A: The asynchronous reset input (MR) allows you to reset the counter to its initial state regardless of the clock inputs.
Q: Can the 74HC4520N,652 be used as a frequency divider? A: Yes, the 74HC4520N,652 can be used as a frequency divider by connecting one of the clock inputs to a higher frequency source.
Q: How do I set the initial count value for the 74HC4520N,652? A: You can set the initial count value by applying the desired binary value to the parallel load input (PL) while asserting the load enable input (LE).
Q: What is the maximum count value of the 74HC4520N,652? A: The maximum count value of the 74HC4520N,652 is 65535 (2^16 - 1).
Q: Can I cascade multiple 74HC4520N,652 ICs to increase the counting range? A: Yes, you can cascade multiple 74HC4520N,652 ICs by connecting the carry output (CO) of one IC to the carry input (CI) of the next IC.
Q: What is the power supply voltage range for the 74HC4520N,652? A: The power supply voltage range for the 74HC4520N,652 is typically between 2V and 6V.
Q: Are there any specific precautions to consider when using the 74HC4520N,652? A: It is important to ensure that the clock inputs are stable before applying power to the IC. Additionally, proper decoupling capacitors should be used to minimize noise and voltage spikes.
Please note that these answers are general and may vary depending on the specific datasheet and manufacturer's recommendations for the 74HC4520N,652 IC.