Zie specificaties voor productdetails.
MC74HC390AN
Product Overview
Category
MC74HC390AN belongs to the category of integrated circuits (ICs).
Use
This product is commonly used in digital electronic circuits for various applications.
Characteristics
- High-speed operation
- Wide operating voltage range
- Low power consumption
- Compatibility with TTL logic levels
- High noise immunity
Package
MC74HC390AN is available in a 16-pin dual in-line package (DIP).
Essence
The essence of MC74HC390AN lies in its ability to perform high-speed digital operations while consuming low power.
Packaging/Quantity
MC74HC390AN is typically packaged in reels or tubes, with a quantity of 25 units per reel/tube.
Specifications
- Supply Voltage: 2V to 6V
- Operating Temperature Range: -40°C to +85°C
- Logic Family: HC
- Number of Pins: 16
- Logic Type: Counter
- Counting Sequence: Asynchronous
Detailed Pin Configuration
- Clock Input A
- Clock Input B
- Reset Input
- Output Q0
- Output Q1
- Output Q2
- Output Q3
- Output Q4
- Output Q5
- Output Q6
- Output Q7
- Carry Output
- GND (Ground)
- VCC (Supply Voltage)
- Clock Enable Input
- Clock Enable Output
Functional Features
- Asynchronous ripple counter
- Decodes binary-coded decimal (BCD) inputs
- Outputs are active-low
- Carry output for cascading multiple counters
- Clock enable input for controlling counting operation
Advantages and Disadvantages
Advantages
- High-speed operation allows for efficient digital circuit design.
- Wide operating voltage range provides flexibility in various applications.
- Low power consumption contributes to energy efficiency.
- Compatibility with TTL logic levels simplifies integration with existing systems.
- High noise immunity ensures reliable performance in noisy environments.
Disadvantages
- Limited counting range (up to 99) may not be suitable for certain applications requiring larger counts.
- Active-low outputs may require additional circuitry for compatibility with active-high inputs.
Working Principles
MC74HC390AN operates as an asynchronous ripple counter, which means that each flip-flop within the IC is triggered by its own clock input. The counter decodes BCD inputs and produces corresponding outputs. The carry output allows for cascading multiple counters to achieve higher counting ranges.
Detailed Application Field Plans
MC74HC390AN finds applications in various digital electronic systems, including but not limited to: - Frequency dividers - Digital clocks - Industrial control systems - Counting circuits - Data processing units
Detailed and Complete Alternative Models
Some alternative models to MC74HC390AN include: - CD4017BE - SN74LS90N - HEF4024BP - 74HCT393N - CD4029BE
These alternatives offer similar functionality and can be used as substitutes depending on specific requirements.
Word count: 346 words
Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van MC74HC390AN in technische oplossingen
Sure! Here are 10 common questions and answers related to the application of MC74HC390AN in technical solutions:
Q: What is MC74HC390AN? A: MC74HC390AN is a dual 4-bit decade ripple counter with asynchronous reset, which is commonly used in digital circuits.
Q: What is the purpose of MC74HC390AN? A: MC74HC390AN is used for counting and dividing signals in various applications, such as frequency division, time measurement, and event sequencing.
Q: What is the maximum clock frequency supported by MC74HC390AN? A: The maximum clock frequency supported by MC74HC390AN is typically around 25 MHz.
Q: How many outputs does MC74HC390AN have? A: MC74HC390AN has two independent 4-bit counters, so it has a total of eight outputs.
Q: Can MC74HC390AN be cascaded to increase the number of bits? A: Yes, MC74HC390AN can be cascaded to increase the number of bits by connecting the carry-out (CO) of one counter to the clock input (CLK) of the next counter.
Q: What is the power supply voltage range for MC74HC390AN? A: MC74HC390AN operates within a power supply voltage range of 2V to 6V.
Q: Does MC74HC390AN have an asynchronous reset feature? A: Yes, MC74HC390AN has an asynchronous reset input (MR) that can be used to reset the counters to their initial state.
Q: What is the typical propagation delay of MC74HC390AN? A: The typical propagation delay of MC74HC390AN is around 15 ns.
Q: Can MC74HC390AN be used in both synchronous and asynchronous counting modes? A: Yes, MC74HC390AN can be used in both synchronous and asynchronous counting modes depending on the application requirements.
Q: What are some common applications of MC74HC390AN? A: Some common applications of MC74HC390AN include frequency dividers, event counters, time measurement circuits, digital clocks, and sequential control systems.
Please note that the answers provided here are general and may vary depending on specific datasheet specifications and application requirements.