Texas Instruments
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CD74HC4514E
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CD74HC4514E

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Decoding and demultiplexing
  • Characteristics: High-speed CMOS logic, 4-to-16 line decoder/demultiplexer
  • Package: 24-pin DIP (Dual In-line Package)
  • Essence: Converts binary input into a corresponding output for decoding and demultiplexing purposes
  • Packaging/Quantity: Available in reels or tubes, 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: 25 ns (typical)
  • Output Current: ±25 mA

Detailed Pin Configuration

  1. GND (Ground)
  2. A0 (Address Input)
  3. A1 (Address Input)
  4. A2 (Address Input)
  5. A3 (Address Input)
  6. A4 (Address Input)
  7. A5 (Address Input)
  8. A6 (Address Input)
  9. A7 (Address Input)
  10. E1 (Enable Input)
  11. E2 (Enable Input)
  12. E3 (Enable Input)
  13. E4 (Enable Input)
  14. E5 (Enable Input)
  15. E6 (Enable Input)
  16. E7 (Enable Input)
  17. E8 (Enable Input)
  18. E9 (Enable Input)
  19. E10 (Enable Input)
  20. E11 (Enable Input)
  21. E12 (Enable Input)
  22. E13 (Enable Input)
  23. E14 (Enable Input)
  24. VCC (Positive Power Supply)

Functional Features

  • Converts a 4-bit binary input into a corresponding output
  • Provides 16 output lines for decoding and demultiplexing purposes
  • High-speed operation suitable for time-critical applications
  • Low power consumption
  • Wide operating voltage range

Advantages

  • Compact and easy to integrate into electronic circuits
  • Versatile functionality for various decoding and demultiplexing applications
  • Reliable performance with high-speed CMOS logic
  • Wide operating temperature range allows usage in different environments

Disadvantages

  • Limited number of address inputs (7 bits)
  • May require additional components for specific applications
  • Not suitable for high-voltage applications

Working Principles

The CD74HC4514E is a 4-to-16 line decoder/demultiplexer IC. It takes a 4-bit binary input (A0-A3) and converts it into a corresponding output on one of the 16 output lines. The enable inputs (E1-E14) control which output line is active based on the binary input. When an enable input is low, the corresponding output line is activated.

Detailed Application Field Plans

The CD74HC4514E can be used in various applications such as:

  1. Address decoding in microcontrollers and microprocessors
  2. Data demultiplexing in communication systems
  3. LED matrix control
  4. Memory address decoding
  5. Multiplexed data transmission

Alternative Models

  • SN74HC4514E
  • MC74HC4514E
  • CD4514BE
  • HEF4514BP
  • MM74HC4514N

These alternative models provide similar functionality and can be used as replacements for the CD74HC4514E depending on availability and specific requirements.

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Énumérez 10 questions et réponses courantes liées à l'application de CD74HC4514E dans les solutions techniques

Sure! Here are 10 common questions and answers related to the application of CD74HC4514E in technical solutions:

  1. Q: What is CD74HC4514E? A: CD74HC4514E is a high-speed CMOS (Complementary Metal-Oxide-Semiconductor) 4-to-16 line decoder/demultiplexer with latch and 15 active LOW outputs.

  2. Q: What is the purpose of CD74HC4514E? A: CD74HC4514E is commonly used to decode binary information and select one output from multiple options based on the input signals.

  3. Q: What voltage levels does CD74HC4514E support? A: CD74HC4514E supports a wide range of voltage levels, typically between 2V and 6V.

  4. Q: How many inputs does CD74HC4514E have? A: CD74HC4514E has 4 input pins (A0, A1, A2, and A3) that are used to provide binary input signals.

  5. Q: How many outputs does CD74HC4514E have? A: CD74HC4514E has 15 active LOW outputs (O0 to O14) that can be selected based on the input signals.

  6. Q: Can CD74HC4514E be cascaded to increase the number of outputs? A: Yes, CD74HC4514E can be cascaded by connecting the outputs of one decoder to the inputs of another decoder to increase the number of available outputs.

  7. Q: What is the maximum frequency at which CD74HC4514E can operate? A: CD74HC4514E can operate at a maximum clock frequency of around 25 MHz.

  8. Q: What is the power supply requirement for CD74HC4514E? A: CD74HC4514E typically requires a power supply voltage of 2V to 6V, with a recommended operating voltage of 5V.

  9. Q: Can CD74HC4514E be used in both digital and analog applications? A: No, CD74HC4514E is primarily designed for digital applications and may not be suitable for analog applications.

  10. Q: Are there any specific precautions to consider when using CD74HC4514E? A: Yes, it is important to ensure that the input signals provided to CD74HC4514E are within the specified voltage levels to prevent damage. Additionally, proper decoupling capacitors should be used to minimize noise and stabilize the power supply.