Texas Instruments
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CD4043BE
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CD4043BE

Product Overview

Category

CD4043BE belongs to the category of integrated circuits (ICs).

Use

CD4043BE is commonly used as a quad cross-coupled NOR gate latch.

Characteristics

  • Quad cross-coupled NOR gate latch
  • High noise immunity
  • Wide supply voltage range: 3V to 18V
  • Low power consumption
  • Schmitt-trigger input for improved noise rejection
  • Directly compatible with TTL and CMOS logic levels

Package

CD4043BE is available in a 14-pin dual in-line package (DIP).

Essence

The essence of CD4043BE lies in its ability to provide latch functionality using quad cross-coupled NOR gates.

Packaging/Quantity

CD4043BE is typically packaged in tubes or reels, with quantities varying based on customer requirements.

Specifications

  • Supply Voltage Range: 3V to 18V
  • Input Voltage Range: 0V to VDD
  • Operating Temperature Range: -55°C to +125°C
  • Output Current: ±6mA
  • Propagation Delay Time: 60ns (typical)
  • Power Dissipation: 500mW (max)

Detailed Pin Configuration

  1. Q1 Output
  2. Q2 Output
  3. Q3 Output
  4. Q4 Output
  5. Enable Input
  6. Data Input
  7. Set Input
  8. Reset Input
  9. Ground (GND)
  10. Q4 Output
  11. Q3 Output
  12. Q2 Output
  13. Q1 Output
  14. VDD (Supply Voltage)

Functional Features

  • Quad cross-coupled NOR gate latch functionality
  • Schmitt-trigger input for improved noise rejection
  • Enable input for controlling latch operation
  • Set and reset inputs for changing latch state
  • Direct compatibility with TTL and CMOS logic levels

Advantages and Disadvantages

Advantages

  • High noise immunity due to Schmitt-trigger input
  • Wide supply voltage range allows for versatile applications
  • Low power consumption for energy-efficient operation
  • Compatibility with both TTL and CMOS logic levels enhances flexibility

Disadvantages

  • Propagation delay time may limit high-speed applications
  • Limited output current capability (±6mA)

Working Principles

CD4043BE operates by utilizing quad cross-coupled NOR gates to create a latch circuit. The inputs control the state of the latch, while the outputs provide the stored information. The Schmitt-trigger input ensures reliable operation in the presence of noise.

Detailed Application Field Plans

CD4043BE finds application in various fields, including: 1. Digital electronics 2. Communication systems 3. Control systems 4. Data processing 5. Instrumentation

Detailed and Complete Alternative Models

Some alternative models to CD4043BE include: 1. CD4043B 2. MC14043B 3. SN74LS279 4. HEF4043BP 5. TC4043BF

These alternatives offer similar functionality and can be used as replacements based on specific requirements.

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Liste 10 almindelige spørgsmål og svar relateret til anvendelsen af CD4043BE i tekniske løsninger

Sure! Here are 10 common questions and answers related to the application of CD4043BE in technical solutions:

  1. Q: What is CD4043BE? A: CD4043BE is a quad cross-coupled NOR gate latch, commonly used in digital logic circuits.

  2. Q: What are the main features of CD4043BE? A: CD4043BE features four independent latch circuits, high noise immunity, and wide supply voltage range.

  3. Q: How can CD4043BE be used in technical solutions? A: CD4043BE can be used for various applications such as data storage, address decoding, and signal synchronization.

  4. Q: What is the maximum operating voltage for CD4043BE? A: The maximum operating voltage for CD4043BE is typically around 18 volts.

  5. Q: Can CD4043BE handle both analog and digital signals? A: No, CD4043BE is designed specifically for digital signals and is not suitable for handling analog signals.

  6. Q: What is the power consumption of CD4043BE? A: The power consumption of CD4043BE is relatively low, making it suitable for battery-powered applications.

  7. Q: Can CD4043BE be used in high-speed applications? A: Yes, CD4043BE has a relatively fast propagation delay, making it suitable for many high-speed applications.

  8. Q: Does CD4043BE have any built-in protection features? A: No, CD4043BE does not have built-in protection features, so external measures may be required to protect against ESD or overvoltage.

  9. Q: Can CD4043BE operate in harsh environments? A: CD4043BE is not specifically designed for harsh environments, so additional precautions may be necessary to ensure reliable operation.

  10. Q: Are there any alternative ICs to CD4043BE? A: Yes, there are alternative latch ICs available in the market, such as CD4042BE or CD4044BE, which may have different features or pin configurations.

Please note that the answers provided here are general and may vary depending on specific datasheet specifications and application requirements.