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MC74VHC74DTG

MC74VHC74DTG

Product Overview

  • Category: Integrated Circuit
  • Use: Flip-Flop
  • Characteristics:
    • High-speed operation
    • Low power consumption
    • Wide operating voltage range
  • Package: TSSOP-14
  • Essence: Dual D-Type Flip-Flop
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Logic Family: VHC
  • Number of Flip-Flops: 2
  • Input Voltage Range: 2.0V to 5.5V
  • Propagation Delay Time: 6 ns (typical)
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MC74VHC74DTG has a total of 14 pins, which are assigned as follows:

  1. CLR (Clear Input for both flip-flops)
  2. D1 (Data Input for the first flip-flop)
  3. CLK (Clock Input)
  4. D2 (Data Input for the second flip-flop)
  5. Q1 (Output of the first flip-flop)
  6. Q1̅ (Complementary output of the first flip-flop)
  7. GND (Ground)
  8. Q2 (Output of the second flip-flop)
  9. Q2̅ (Complementary output of the second flip-flop)
  10. PRE (Preset Input for both flip-flops)
  11. VCC (Positive Power Supply)

Functional Features

  • Dual D-Type Flip-Flop with Clear and Preset Inputs
  • Positive-edge triggered clock input
  • Asynchronous clear and preset inputs for individual flip-flops
  • Outputs can drive up to 10 LSTTL loads
  • Direct interface with TTL levels
  • Compatible with CMOS logic levels

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient data processing - Low power consumption helps in reducing energy usage - Wide operating voltage range provides flexibility in various applications - Dual flip-flop configuration offers versatility in circuit design

Disadvantages: - Limited number of flip-flops (2) may not be sufficient for complex applications requiring more storage elements - TSSOP package may require careful handling during assembly to avoid damage

Working Principles

The MC74VHC74DTG is a dual D-type flip-flop that operates on positive-edge triggered clock input. It utilizes asynchronous clear and preset inputs for individual flip-flops, allowing for easy initialization of the stored data. The outputs can drive up to 10 LSTTL loads, making it suitable for driving multiple devices. The chip is designed to be compatible with both TTL and CMOS logic levels, enabling seamless integration into various systems.

Detailed Application Field Plans

The MC74VHC74DTG finds applications in various fields, including:

  1. Digital communication systems
  2. Data storage and retrieval systems
  3. Microcontroller-based systems
  4. Industrial automation
  5. Consumer electronics

In digital communication systems, the flip-flop can be used for synchronization and data buffering. In data storage and retrieval systems, it can serve as a memory element for temporary data storage. Microcontroller-based systems can utilize the flip-flop for controlling external devices or storing intermediate results. In industrial automation, it can be employed for timing and sequencing operations. Lastly, in consumer electronics, it can be utilized for signal processing and control functions.

Detailed and Complete Alternative Models

  1. SN74LV74ADGVR - Dual Positive-Edge-Triggered D-Type Flip-Flop
  2. CD4013BE - Dual D-Type Flip-Flop
  3. 74HC74D - Dual D-Type Flip-Flop with Set and Reset

These alternative models offer similar functionality to the MC74VHC74DTG and can be considered as replacements based on specific requirements and availability.

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10個與MC74VHC74DTG在技術方案中應用相關的常見問題與解答

Sure! Here are 10 common questions and answers related to the application of MC74VHC74DTG in technical solutions:

  1. Q: What is MC74VHC74DTG? A: MC74VHC74DTG is a dual D-type flip-flop integrated circuit (IC) that can be used in various digital logic applications.

  2. Q: What is the operating voltage range for MC74VHC74DTG? A: The operating voltage range for MC74VHC74DTG is typically between 2.0V and 5.5V.

  3. Q: What is the maximum clock frequency supported by MC74VHC74DTG? A: MC74VHC74DTG can support clock frequencies up to 200 MHz.

  4. Q: Can MC74VHC74DTG be used in both positive-edge and negative-edge triggered applications? A: Yes, MC74VHC74DTG can be used in both positive-edge and negative-edge triggered applications.

  5. Q: What is the typical propagation delay of MC74VHC74DTG? A: The typical propagation delay of MC74VHC74DTG is around 6 ns.

  6. Q: How many flip-flops are there in MC74VHC74DTG? A: MC74VHC74DTG consists of two independent D-type flip-flops.

  7. Q: Can MC74VHC74DTG be cascaded to create larger counters or shift registers? A: Yes, MC74VHC74DTG can be cascaded with other flip-flops to create larger counters or shift registers.

  8. Q: Is MC74VHC74DTG compatible with TTL logic levels? A: Yes, MC74VHC74DTG is compatible with both TTL and CMOS logic levels.

  9. Q: What is the power supply current consumption of MC74VHC74DTG? A: The power supply current consumption of MC74VHC74DTG is typically around 4 mA.

  10. Q: Can MC74VHC74DTG be used in high-speed data transfer applications? A: Yes, MC74VHC74DTG can be used in high-speed data transfer applications due to its fast propagation delay and high clock frequency support.

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