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MM74HC4514N
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MM74HC4514N

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Decoder/Demultiplexer
  • Characteristics: High-speed, CMOS logic, 4-to-16 line decoder/demultiplexer
  • Package: DIP (Dual In-line Package)
  • Essence: Converts a binary input into a corresponding output on one of the 16 output lines
  • Packaging/Quantity: Available in tubes or reels, quantity varies based on supplier

Specifications

  • Supply Voltage: 2V to 6V
  • Input Voltage: 0V to Vcc
  • Output Voltage: 0V to Vcc
  • Operating Temperature: -40°C to +85°C
  • Propagation Delay Time: 25ns (typical)
  • Output Current: ±25mA
  • Number of Inputs: 4
  • Number of Outputs: 16

Detailed Pin Configuration

The MM74HC4514N has a total of 24 pins. The pin configuration is as follows:

  1. GND (Ground)
  2. A0 (Address Input 0)
  3. A1 (Address Input 1)
  4. A2 (Address Input 2)
  5. A3 (Address Input 3)
  6. E (Enable Input)
  7. Y0 (Output 0)
  8. Y1 (Output 1)
  9. Y2 (Output 2)
  10. Y3 (Output 3)
  11. Y4 (Output 4)
  12. Y5 (Output 5)
  13. Y6 (Output 6)
  14. Y7 (Output 7)
  15. Y8 (Output 8)
  16. Y9 (Output 9)
  17. Y10 (Output 10)
  18. Y11 (Output 11)
  19. Y12 (Output 12)
  20. Y13 (Output 13)
  21. Y14 (Output 14)
  22. Y15 (Output 15)
  23. Vcc (Positive Power Supply)
  24. GND (Ground)

Functional Features

  • Converts a 4-bit binary input into a corresponding output on one of the 16 output lines
  • High-speed operation due to CMOS technology
  • Low power consumption
  • Wide operating voltage range
  • Schmitt-trigger inputs for improved noise immunity

Advantages and Disadvantages

Advantages: - High-speed operation allows for quick decoding/demultiplexing - Low power consumption makes it suitable for battery-powered devices - Wide operating voltage range provides flexibility in different applications - Schmitt-trigger inputs enhance noise immunity, ensuring reliable operation

Disadvantages: - Limited number of inputs and outputs restricts its use in complex systems - DIP package may not be suitable for space-constrained designs - Lack of built-in protection features against overvoltage or ESD events

Working Principles

The MM74HC4514N is a decoder/demultiplexer IC that converts a 4-bit binary input into a corresponding output on one of the 16 output lines. The input address lines (A0-A3) determine which output line will be activated. When the enable input (E) is high, the selected output line becomes active, while all other output lines remain inactive.

Detailed Application Field Plans

The MM74HC4514N can be used in various applications, including:

  1. Address decoding in microcontrollers and microprocessors
  2. Data demultiplexing in digital communication systems
  3. LED matrix control in display panels
  4. Memory address decoding in computer systems
  5. Signal routing in audio/video equipment

Detailed and Complete Alternative Models

  • CD4514BE: Similar 4-to-16 line decoder/demultiplexer IC from Texas Instruments
  • SN74HC4514N: Equivalent CMOS logic decoder/demultiplexer IC from Texas Instruments
  • 74HCT4514: High-speed CMOS logic decoder/demultiplexer IC from NXP Semiconductors

These alternative models offer similar functionality and can be used as substitutes for the MM74HC4514N in various applications.

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Listen Sie 10 häufige Fragen und Antworten im Zusammenhang mit der Anwendung von MM74HC4514N in technischen Lösungen auf

Sure! Here are 10 common questions and answers related to the application of MM74HC4514N in technical solutions:

  1. Q: What is MM74HC4514N? A: MM74HC4514N is a 4-to-16 line decoder/demultiplexer integrated circuit (IC) commonly used in digital electronics.

  2. Q: What is the purpose of MM74HC4514N? A: The purpose of MM74HC4514N is to decode a 4-bit binary input into one of the 16 output lines based on the input value.

  3. Q: How does MM74HC4514N work? A: MM74HC4514N works by using its internal logic gates to decode the binary input and activate the corresponding output line.

  4. Q: What voltage levels does MM74HC4514N support? A: MM74HC4514N supports a wide range of voltage levels, typically between 2V and 6V.

  5. Q: Can MM74HC4514N be used for both decoding and demultiplexing? A: Yes, MM74HC4514N can be used as both a decoder and a demultiplexer depending on the application requirements.

  6. Q: What is the maximum output current of MM74HC4514N? A: The maximum output current of MM74HC4514N is typically around 25mA.

  7. Q: Can MM74HC4514N be cascaded to increase the number of outputs? A: Yes, multiple MM74HC4514N ICs can be cascaded together to increase the number of outputs beyond 16.

  8. Q: Is MM74HC4514N compatible with TTL logic levels? A: Yes, MM74HC4514N is compatible with both TTL and CMOS logic levels.

  9. Q: What are some common applications of MM74HC4514N? A: MM74HC4514N is commonly used in applications such as address decoding, data routing, LED matrix control, and multiplexing.

  10. Q: Are there any specific precautions to consider when using MM74HC4514N? A: It is important to ensure that the power supply voltage and signal levels are within the specified range to avoid damaging the IC. Additionally, proper decoupling capacitors should be used for stable operation.

Please note that these answers are general and may vary depending on the specific datasheet and application requirements of MM74HC4514N.