ON Semiconductor
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MC14521BFELG
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MC14521BFELG

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Digital Counter/Divider
  • Characteristics: High-speed operation, low power consumption
  • Package: SOEIAJ-16
  • Essence: CMOS Logic IC
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Supply Voltage: 3V to 18V
  • Operating Temperature Range: -55°C to +125°C
  • Logic Family: CMOS
  • Number of Pins: 16
  • Input Type: Schmitt Trigger
  • Output Type: Standard

Detailed Pin Configuration

  1. VDD
  2. A
  3. B
  4. C
  5. GND
  6. D
  7. E
  8. F
  9. G
  10. H
  11. I
  12. J
  13. K
  14. L
  15. M
  16. N

Functional Features

  • 24-stage binary counter/divider
  • Asynchronous reset capability
  • Buffered outputs for cascading multiple devices
  • Schmitt trigger inputs for noise immunity
  • Wide supply voltage range for flexibility

Advantages and Disadvantages

Advantages

  • High-speed operation allows for efficient counting/dividing tasks
  • Low power consumption reduces energy usage
  • Asynchronous reset feature provides flexibility in control
  • Buffered outputs enable easy cascading of multiple devices
  • Schmitt trigger inputs ensure reliable operation in noisy environments

Disadvantages

  • Limited number of stages (24) may not be sufficient for complex applications
  • Requires external components for specific functionality enhancements

Working Principles

The MC14521BFELG is a CMOS logic IC that functions as a 24-stage binary counter/divider. It operates by counting input clock pulses and dividing them by 2^24. The device features an asynchronous reset capability, allowing the counter to be reset at any time independently of the clock signal. Buffered outputs are provided for cascading multiple devices, enabling the creation of larger counters/dividers.

Detailed Application Field Plans

The MC14521BFELG is commonly used in various applications that require counting or dividing functions. Some potential application fields include:

  1. Frequency division in communication systems
  2. Timekeeping circuits
  3. Digital clocks and timers
  4. Industrial automation
  5. Data processing systems
  6. Electronic musical instruments

Detailed and Complete Alternative Models

  • CD4020BE: 14-stage binary counter/divider
  • CD4017BE: Decade counter with 10 decoded outputs
  • SN74LS93N: 4-bit binary ripple counter
  • CD4060BE: 14-stage ripple carry binary counter/divider

These alternative models offer similar functionality to the MC14521BFELG and can be considered as substitutes depending on specific requirements.

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10 domande e risposte comuni relative all'applicazione di MC14521BFELG nelle soluzioni tecniche

Sure! Here are 10 common questions and answers related to the application of MC14521BFELG in technical solutions:

  1. Q: What is MC14521BFELG? A: MC14521BFELG is a CMOS programmable counter/divider with logic functions, commonly used in digital circuits.

  2. Q: What are the key features of MC14521BFELG? A: Some key features include a wide operating voltage range, low power consumption, high noise immunity, and multiple logic functions.

  3. Q: How can MC14521BFELG be used in technical solutions? A: MC14521BFELG can be used for various applications such as frequency division, time delay generation, event counting, and sequential logic implementation.

  4. Q: What is the maximum operating voltage for MC14521BFELG? A: The maximum operating voltage for MC14521BFELG is typically around 18V.

  5. Q: Can MC14521BFELG operate at low voltages as well? A: Yes, MC14521BFELG has a wide operating voltage range, which includes low voltages like 3.3V or 5V commonly used in modern digital systems.

  6. Q: How many logic functions can MC14521BFELG perform? A: MC14521BFELG can perform up to 8 different logic functions, including AND, OR, XOR, and more.

  7. Q: Is MC14521BFELG suitable for high-speed applications? A: MC14521BFELG is not specifically designed for high-speed applications, but it can still be used in moderate-speed digital circuits.

  8. Q: Can MC14521BFELG be cascaded to achieve higher counting or division ratios? A: Yes, multiple MC14521BFELG chips can be cascaded together to achieve higher counting or division ratios.

  9. Q: Does MC14521BFELG have any built-in protection features? A: MC14521BFELG does not have built-in protection features, so external measures may be required to protect it from voltage spikes or ESD.

  10. Q: Where can I find more information about using MC14521BFELG in technical solutions? A: You can refer to the datasheet and application notes provided by the manufacturer, as well as online resources and forums dedicated to digital circuit design.