ON Semiconductor
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MC74AC4040DG
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MC74AC4040DG

Product Overview

Category

MC74AC4040DG belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in digital electronic devices for counting and dividing signals.

Characteristics

  • High-speed operation
  • Low power consumption
  • Wide operating voltage range
  • Schmitt trigger inputs for noise immunity
  • Output drive capability: 10 LSTTL loads
  • Balanced propagation delays

Package

MC74AC4040DG is available in a 16-pin SOIC (Small Outline Integrated Circuit) package.

Essence

The essence of MC74AC4040DG lies in its ability to accurately count and divide input signals, making it an essential component in various digital applications.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

  • Supply Voltage Range: 2.0V to 6.0V
  • Input Voltage Range: -0.5V to VCC + 0.5V
  • Operating Temperature Range: -40°C to +85°C
  • Maximum Clock Frequency: 50MHz
  • Number of Stages: 12

Detailed Pin Configuration

  1. Q12
  2. Q11
  3. Q10
  4. Q9
  5. Q8
  6. Q7
  7. Q6
  8. Q5
  9. Q4
  10. Q3
  11. Q2
  12. Q1
  13. MR (Master Reset)
  14. CP (Clock Pulse)
  15. GND (Ground)
  16. VCC (Supply Voltage)

Functional Features

  • Master reset (MR) input for clearing the counter
  • Clock pulse (CP) input for advancing the counter
  • Twelve output pins (Q1-Q12) for displaying the count value
  • Schmitt trigger inputs for improved noise immunity

Advantages and Disadvantages

Advantages

  • High-speed operation allows for efficient counting and dividing of signals
  • Low power consumption helps in reducing overall energy usage
  • Wide operating voltage range provides flexibility in various applications
  • Schmitt trigger inputs ensure reliable performance even in noisy environments
  • Output drive capability enables driving multiple loads

Disadvantages

  • Limited number of stages (12) may not be sufficient for certain complex applications requiring higher counts
  • Lack of built-in error detection or correction mechanisms

Working Principles

MC74AC4040DG operates based on the principle of binary counting. The counter advances by one with each clock pulse received at the CP input. The master reset (MR) input can be used to clear the counter to its initial state. The output pins (Q1-Q12) represent the binary count value.

Detailed Application Field Plans

MC74AC4040DG finds applications in various digital systems, including but not limited to: - Frequency dividers - Digital clocks - Timers - Industrial automation systems - Communication equipment - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models that serve similar functions to MC74AC4040DG are: - CD4040BE by Texas Instruments - HEF4040BP by NXP Semiconductors - 74HC4040 by ON Semiconductor - HCF4040 by STMicroelectronics

These alternatives offer comparable features and can be used as substitutes depending on specific requirements.

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Liste 10 perguntas e respostas comuns relacionadas à aplicação de MC74AC4040DG em soluções técnicas

Sure! Here are 10 common questions and answers related to the application of MC74AC4040DG in technical solutions:

  1. Q: What is MC74AC4040DG? A: MC74AC4040DG is a 12-stage binary counter IC (integrated circuit) with an asynchronous reset function.

  2. Q: What is the operating voltage range for MC74AC4040DG? A: The operating voltage range for MC74AC4040DG is typically between 2.0V and 6.0V.

  3. Q: What is the maximum clock frequency supported by MC74AC4040DG? A: MC74AC4040DG can support clock frequencies up to 125 MHz.

  4. Q: How many output pins does MC74AC4040DG have? A: MC74AC4040DG has 12 output pins, each representing a different stage of the binary counter.

  5. Q: Can MC74AC4040DG be used as a frequency divider? A: Yes, MC74AC4040DG can be used as a frequency divider by connecting the desired clock signal to the input pin and using the appropriate output pin.

  6. Q: Does MC74AC4040DG have any built-in glitch protection? A: Yes, MC74AC4040DG has built-in glitch protection on the clock input to ensure reliable operation.

  7. Q: Can MC74AC4040DG be cascaded to create larger counters? A: Yes, multiple MC74AC4040DG ICs can be cascaded together to create larger counters with more stages.

  8. Q: What is the power supply current consumption of MC74AC4040DG? A: The power supply current consumption of MC74AC4040DG is typically around 8 mA.

  9. Q: Can MC74AC4040DG be used in both digital and analog applications? A: No, MC74AC4040DG is primarily designed for digital applications and may not be suitable for analog applications.

  10. Q: Are there any specific application notes or reference designs available for MC74AC4040DG? A: Yes, the manufacturer of MC74AC4040DG provides application notes and reference designs that can help with its implementation in various technical solutions.

Please note that these answers are general and may vary depending on the specific requirements and use cases. It's always recommended to refer to the datasheet and consult the manufacturer for detailed information.