圖片可能僅供參考。
有關產品詳細信息,請參閱規格。
SN74AHCT74MDREP

SN74AHCT74MDREP

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Flip-Flop
  • Characteristics: High-Speed, Dual D-Type Positive-Edge-Triggered Flip-Flop
  • Package: SOIC (Small Outline Integrated Circuit)
  • Essence: This IC is designed to store and transfer data in digital systems.
  • Packaging/Quantity: Available in reels of 2500 units.

Specifications

  • Supply Voltage Range: 4.5V to 5.5V
  • Logic Family: AHCT
  • Number of Flip-Flops: 2
  • Trigger Type: Positive Edge
  • Clock Frequency: Up to 100MHz
  • Propagation Delay: 10ns (typical)
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SN74AHCT74MDREP has a total of 14 pins, which are assigned as follows:

  1. CLR (Clear) - Active Low Clear Input
  2. D1 (Data Input 1) - Data Input for Flip-Flop 1
  3. CP1 (Clock Pulse 1) - Clock Input for Flip-Flop 1
  4. Q1 (Output 1) - Output for Flip-Flop 1
  5. Q̅1 (Complementary Output 1) - Complementary Output for Flip-Flop 1
  6. GND (Ground) - Ground Reference
  7. Q̅2 (Complementary Output 2) - Complementary Output for Flip-Flop 2
  8. Q2 (Output 2) - Output for Flip-Flop 2
  9. CP2 (Clock Pulse 2) - Clock Input for Flip-Flop 2
  10. D2 (Data Input 2) - Data Input for Flip-Flop 2
  11. VCC (Supply Voltage) - Positive Power Supply
  12. PRE (Preset) - Active Low Preset Input
  13. PR̅E (Complementary Preset) - Complementary Preset Input
  14. OE (Output Enable) - Output Enable Input

Functional Features

  • Dual D-Type Flip-Flop: The SN74AHCT74MDREP consists of two independent D-type flip-flops, allowing simultaneous storage and transfer of data.
  • Positive Edge Triggered: The flip-flops are triggered on the rising edge of the clock signal, ensuring accurate data capture.
  • High-Speed Operation: With a maximum clock frequency of 100MHz, this IC is suitable for high-speed digital systems.
  • Clear and Preset Inputs: The clear and preset inputs allow for easy initialization of the flip-flops.
  • Output Enable Control: The output enable input enables or disables the outputs, providing flexibility in system design.

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient data processing. - Dual flip-flop configuration provides versatility in applications. - Clear and preset inputs simplify initialization. - Output enable control enhances system flexibility.

Disadvantages: - Limited to positive-edge triggering, may not be suitable for all applications requiring different trigger types. - Requires external components for proper functioning within a digital system.

Working Principles

The SN74AHCT74MDREP operates based on the principles of D-type flip-flops. Each flip-flop stores a single bit of data and transfers it to the output upon receiving a rising edge on the clock input. The clear and preset inputs allow for initialization of the flip-flops, while the output enable input controls the output state.

Detailed Application Field Plans

The SN74AHCT74MDREP can be used in various applications, including but not limited to: - Digital data storage and transfer systems - Clock synchronization circuits - Data processing units - Communication systems - Control and automation systems

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to the SN74AHCT74MDREP are: - CD4013BCN: Dual D-Type Flip-Flop IC with similar characteristics and pin configuration. - MC74HC74AN: High-Speed Dual D Flip-Flop IC with complementary outputs.

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

In conclusion, the SN74AHCT74MDREP is a high-speed dual D-type positive-edge-triggered flip-flop IC. It provides efficient data storage and transfer capabilities in digital systems. With its versatile features and various applications, it serves as a reliable component in numerous electronic designs.

10個與SN74AHCT74MDREP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 SN74AHCT74MDREP:

  1. Q: What is SN74AHCT74MDREP? A: SN74AHCT74MDREP is a dual positive-edge-triggered D-type flip-flop with clear and preset, designed for use in high-performance digital systems.

  2. Q: What is the operating voltage range for SN74AHCT74MDREP? A: The operating voltage range for SN74AHCT74MDREP is typically between 4.5V and 5.5V.

  3. Q: What is the maximum clock frequency supported by SN74AHCT74MDREP? A: SN74AHCT74MDREP can support clock frequencies up to 100 MHz.

  4. Q: Can SN74AHCT74MDREP be used in both synchronous and asynchronous applications? A: Yes, SN74AHCT74MDREP can be used in both synchronous and asynchronous applications.

  5. Q: Does SN74AHCT74MDREP have any built-in protection features? A: Yes, SN74AHCT74MDREP has built-in ESD (electrostatic discharge) protection to prevent damage from static electricity.

  6. Q: What is the typical power consumption of SN74AHCT74MDREP? A: The typical power consumption of SN74AHCT74MDREP is around 8 mW.

  7. Q: Can SN74AHCT74MDREP operate in a wide temperature range? A: Yes, SN74AHCT74MDREP can operate in a temperature range of -40°C to +85°C.

  8. Q: How many flip-flops are there in SN74AHCT74MDREP? A: SN74AHCT74MDREP contains two flip-flops.

  9. Q: What is the output drive capability of SN74AHCT74MDREP? A: The output drive capability of SN74AHCT74MDREP is typically 8 mA.

  10. Q: Can SN74AHCT74MDREP be used in battery-powered applications? A: Yes, SN74AHCT74MDREP can be used in battery-powered applications as it has a low power consumption and wide operating voltage range.

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