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74HC390N,652
Basic Information Overview
- Category: Integrated Circuit (IC)
- Use: Counter/Divider
- Characteristics: High-speed operation, low power consumption
- Package: DIP-16 (Dual In-line Package with 16 pins)
- Essence: Dual decade ripple counter/divider with reset
- Packaging/Quantity: Tape and Reel, 2500 units per reel
Specifications
- Supply Voltage Range: 2V to 6V
- Operating Temperature Range: -40°C to +125°C
- Maximum Clock Frequency: 25 MHz
- Maximum Counting Frequency: 12.5 MHz
- Maximum Propagation Delay: 60 ns
- Maximum Quiescent Current: 4 µA
Detailed Pin Configuration
- MR (Master Reset)
- CP0 (Clock Input 0)
- CP1 (Clock Input 1)
- Q0 (Output 0)
- Q1 (Output 1)
- Q2 (Output 2)
- Q3 (Output 3)
- Q4 (Output 4)
- Q5 (Output 5)
- Q6 (Output 6)
- Q7 (Output 7)
- GND (Ground)
- Q8 (Output 8)
- Q9 (Output 9)
- VCC (Supply Voltage)
- TC (Terminal Count)
Functional Features
- Dual decade ripple counter/divider with reset functionality
- Can count up or down depending on the clock inputs
- Reset function allows the counter to be cleared to a specific value
- Outputs can be used as individual bits or combined to form larger counters
Advantages
- High-speed operation enables efficient counting in time-critical applications
- Low power consumption makes it suitable for battery-powered devices
- Versatile outputs allow for flexible usage in various applications
Disadvantages
- Limited counting range (0 to 99) due to being a dual decade counter
- Not suitable for high-frequency applications due to limited clock frequency
Working Principles
The 74HC390N,652 is a ripple counter/divider IC that operates by counting the number of clock pulses received. It can count up or down depending on the clock inputs and has a reset function that allows the counter to be cleared to a specific value. The outputs represent the binary representation of the current count.
Detailed Application Field Plans
- Frequency division: The 74HC390N,652 can be used to divide an input clock signal by a specific factor, allowing for frequency reduction.
- Timekeeping: By connecting the outputs to a display or microcontroller, the IC can be used as a timekeeping device.
- Event counting: The IC can be used to count events in various applications such as industrial automation or scientific experiments.
Detailed and Complete Alternative Models
- CD4017: Decade counter/divider with 10 outputs
- 74LS93: 4-bit binary ripple counter
- CD4029: Presettable up/down counter
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10 domande e risposte comuni relative all'applicazione di 74HC390N,652 nelle soluzioni tecniche
Sure! Here are 10 common questions and answers related to the application of 74HC390N,652 in technical solutions:
Q: What is the 74HC390N,652?
A: The 74HC390N,652 is a dual 4-bit decade ripple counter with reset.
Q: What is the purpose of the 74HC390N,652?
A: It is used to count events or signals in digital circuits.
Q: How many counters are there in the 74HC390N,652?
A: The 74HC390N,652 has two independent counters.
Q: What is the maximum clock frequency supported by the 74HC390N,652?
A: The maximum clock frequency is typically around 25 MHz.
Q: Can I cascade multiple 74HC390N,652 counters together?
A: Yes, you can cascade multiple counters to increase the counting range.
Q: How do I reset the counters in the 74HC390N,652?
A: The counters can be reset by applying a low signal to the reset pin (RST).
Q: What is the power supply voltage range for the 74HC390N,652?
A: The recommended power supply voltage range is between 2V and 6V.
Q: Does the 74HC390N,652 have any built-in debounce circuitry?
A: No, the 74HC390N,652 does not have built-in debounce circuitry.
Q: Can I use the 74HC390N,652 in both synchronous and asynchronous modes?
A: Yes, the 74HC390N,652 can be used in both synchronous and asynchronous modes.
Q: What are some common applications of the 74HC390N,652?
A: The 74HC390N,652 is commonly used in frequency dividers, event counters, and time delay circuits.
Please note that these answers are general and may vary depending on specific circuit designs and requirements.