NXP USA Inc.
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74HC74D/AUJ
צפה בפרטים DataSheets

74HC74D/AUJ

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Digital Logic IC
  • Characteristics: Dual D-Type Flip-Flop, High-Speed CMOS
  • Package: SOIC (Small Outline Integrated Circuit)
  • Essence: The 74HC74D/AUJ is a dual positive-edge-triggered D-type flip-flop with individual data inputs (D) and outputs (Q). It features a wide operating voltage range and high noise immunity.
  • Packaging/Quantity: Available in reels of 2500 pieces.

Specifications

  • Supply Voltage Range: 2V to 6V
  • High-Level Input Voltage: 70% of VCC
  • Low-Level Input Voltage: 30% of VCC
  • Output Current: ±5.2mA
  • Propagation Delay: 22ns (typical)

Detailed Pin Configuration

The 74HC74D/AUJ has a total of 14 pins, with each flip-flop having the following pin configuration: 1. CLK (Clock Input) 2. nR (Reset Input) 3. D (Data Input) 4. Q (Data Output) 5. Q' (Complementary Data Output) 6. GND (Ground) 7. Q' (Complementary Data Output) 8. Q (Data Output) 9. D (Data Input) 10. nR (Reset Input) 11. CLK (Clock Input) 12. VCC (Supply Voltage)

Functional Features

  • Positive-edge-triggered D-type flip-flop operation
  • Wide supply voltage range for versatility
  • High noise immunity for reliable operation in noisy environments
  • Complementary outputs for ease of use in various applications

Advantages and Disadvantages

Advantages: - Versatile supply voltage range - High noise immunity - Complementary outputs for flexibility

Disadvantages: - Relatively moderate propagation delay compared to some alternatives - Limited to digital logic applications

Working Principles

The 74HC74D/AUJ operates as a dual positive-edge-triggered D-type flip-flop, allowing for the storage and transfer of binary data. Upon receiving a clock signal, the input data is transferred to the output, providing synchronization and control in digital systems.

Detailed Application Field Plans

The 74HC74D/AUJ finds extensive use in digital systems requiring reliable data storage and transfer. It is commonly employed in microcontroller-based designs, communication systems, and digital signal processing applications.

Detailed and Complete Alternative Models

  • 74HCT74: Similar functionality with lower power consumption
  • CD4013B: Dual D-type flip-flop with complementary outputs
  • SN74LVC74A: Low-voltage compatible alternative with similar characteristics

In conclusion, the 74HC74D/AUJ is a versatile and reliable digital logic IC suitable for a wide range of applications, offering high noise immunity and flexible supply voltage requirements.

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רשום 10 שאלות ותשובות נפוצות הקשורות ליישום של 74HC74D/AUJ בפתרונות טכניים

  1. Question: What is the operating voltage range of 74HC74D/AUJ?
    Answer: The operating voltage range of 74HC74D/AUJ is typically 2V to 6V.

  2. Question: Can 74HC74D/AUJ be used in high-speed applications?
    Answer: Yes, 74HC74D/AUJ is suitable for high-speed applications due to its fast propagation delays.

  3. Question: What is the maximum clock frequency supported by 74HC74D/AUJ?
    Answer: 74HC74D/AUJ can support clock frequencies up to 30MHz.

  4. Question: Is 74HC74D/AUJ compatible with both TTL and CMOS logic levels?
    Answer: Yes, 74HC74D/AUJ is compatible with both TTL and CMOS logic levels, making it versatile for various applications.

  5. Question: What is the typical power consumption of 74HC74D/AUJ?
    Answer: The typical power consumption of 74HC74D/AUJ is low, making it energy-efficient for battery-powered devices.

  6. Question: Can 74HC74D/AUJ be used in automotive applications?
    Answer: Yes, 74HC74D/AUJ is suitable for automotive applications as it can withstand automotive voltage transients.

  7. Question: Does 74HC74D/AUJ have built-in ESD protection?
    Answer: Yes, 74HC74D/AUJ features built-in ESD protection, enhancing its robustness in real-world environments.

  8. Question: What is the temperature range for 74HC74D/AUJ operation?
    Answer: 74HC74D/AUJ can operate within a wide temperature range, typically from -40°C to 125°C.

  9. Question: Can 74HC74D/AUJ be used in industrial control systems?
    Answer: Yes, 74HC74D/AUJ is suitable for industrial control systems due to its reliability and performance in harsh conditions.

  10. Question: Are there any specific layout considerations for using 74HC74D/AUJ?
    Answer: It is recommended to follow the manufacturer's guidelines for layout and decoupling to ensure optimal performance of 74HC74D/AUJ in technical solutions.