Veja as especificações para detalhes do produto.
MC14521BD
Product Overview
- Category: Integrated Circuit
- Use: Digital Counter/Divider
- Characteristics: High-speed operation, low power consumption
- Package: SOIC (Small Outline Integrated Circuit)
- Essence: Binary counter with synchronous reset
- Packaging/Quantity: Tape and Reel, 2500 units per reel
Specifications
- Supply Voltage: 3V to 18V
- Operating Temperature Range: -40°C to +85°C
- Logic Family: CMOS
- Number of Pins: 16
- Input Type: Standard TTL
- Output Type: CMOS
Detailed Pin Configuration
- VDD - Supply Voltage
- GND - Ground
- MR - Master Reset
- CP1 - Clock Input 1
- CP2 - Clock Input 2
- CP3 - Clock Input 3
- Q1 - Output 1
- Q2 - Output 2
- Q3 - Output 3
- Q4 - Output 4
- Q5 - Output 5
- Q6 - Output 6
- Q7 - Output 7
- Q8 - Output 8
- Q9 - Output 9
- Q10 - Output 10
Functional Features
- Synchronous reset allows resetting the counter to zero.
- High-speed operation enables efficient counting/dividing.
- Low power consumption makes it suitable for battery-powered devices.
- Wide supply voltage range provides flexibility in various applications.
Advantages and Disadvantages
Advantages
- Versatile digital counter/divider for a wide range of applications.
- Compact SOIC package saves board space.
- CMOS logic family ensures compatibility with other ICs.
- Synchronous reset allows precise control over the counter.
Disadvantages
- Limited number of outputs (10) may not be sufficient for complex applications.
- Not suitable for high-frequency counting/dividing due to limited speed.
Working Principles
The MC14521BD is a binary counter with synchronous reset. It counts input clock pulses and provides output signals corresponding to the count value. The counter can be reset to zero using the Master Reset (MR) pin. The synchronous reset ensures that all outputs are reset simultaneously, providing accurate control over the counter.
Detailed Application Field Plans
The MC14521BD can be used in various applications, including:
- Frequency Dividers: Dividing input clock frequency by a fixed ratio.
- Event Counters: Counting events or pulses.
- Time Delay Generators: Generating precise time delays.
- Digital Timers: Implementing countdown timers.
- Frequency Synthesizers: Generating multiple frequencies from a single source.
Detailed and Complete Alternative Models
- CD4020BE: 14-stage binary counter with asynchronous reset.
- SN74LS90N: Decade counter with asynchronous clear.
- CD4017BE: Decade counter with 10 decoded outputs.
These alternative models offer similar functionality and can be considered as alternatives to the MC14521BD.
Word count: 346 words
Liste 10 perguntas e respostas comuns relacionadas à aplicação de MC14521BD em soluções técnicas
Sure! Here are 10 common questions and answers related to the application of MC14521BD in technical solutions:
Q: What is MC14521BD? A: MC14521BD is a CMOS dual 4-stage binary counter with serial data input and complementary outputs.
Q: What are the typical applications of MC14521BD? A: MC14521BD is commonly used in applications such as frequency division, time delay generation, and event counting.
Q: What is the maximum operating frequency of MC14521BD? A: The maximum operating frequency of MC14521BD is typically around 6 MHz.
Q: How many stages does MC14521BD have? A: MC14521BD has four stages, allowing it to count up to 16 different events.
Q: Can MC14521BD be cascaded to increase the number of stages? A: Yes, MC14521BD can be cascaded with other counters to increase the number of stages and achieve higher counting ranges.
Q: Does MC14521BD require an external clock signal? A: Yes, MC14521BD requires an external clock signal to operate. It uses this clock signal to increment its count.
Q: What is the power supply voltage range for MC14521BD? A: The power supply voltage range for MC14521BD is typically between 3V and 18V.
Q: Can MC14521BD operate at different power supply voltages? A: Yes, MC14521BD can operate at different power supply voltages within its specified range, allowing flexibility in various applications.
Q: Are there any special considerations for interfacing MC14521BD with other components? A: MC14521BD has complementary outputs, so care should be taken when connecting it to other components to ensure proper signal compatibility.
Q: Is MC14521BD suitable for battery-powered applications? A: Yes, MC14521BD is suitable for battery-powered applications due to its low power consumption and wide operating voltage range.
Please note that these answers are general and may vary depending on the specific implementation and requirements of your technical solution.