Texas Instruments
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SN74LVC74AQDREP
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SN74LVC74AQDREP

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Flip-Flop
  • Characteristics: Low-voltage, high-speed, dual D-type positive-edge-triggered flip-flop
  • Package: 14-pin TSSOP (Thin Shrink Small Outline Package)
  • Essence: This IC is designed to store and transfer data in electronic circuits.
  • Packaging/Quantity: Available in reels of 2500 units

Specifications

  • Supply Voltage Range: 1.65V to 5.5V
  • High-Level Input Voltage: 2V to VCC + 0.5V
  • Low-Level Input Voltage: -0.5V to 0.8V
  • High-Level Output Voltage: VCC - 0.4V
  • Low-Level Output Voltage: 0.4V
  • Maximum Operating Frequency: 200MHz
  • Propagation Delay Time: 3.7ns (typical)

Detailed Pin Configuration

The SN74LVC74AQDREP has a total of 14 pins, numbered as follows:

  1. CLR (Clear)
  2. D (Data input)
  3. CLK (Clock input)
  4. PRE (Preset)
  5. Q (Flip-flop output)
  6. GND (Ground)
  7. Q (Complementary flip-flop output)
  8. VCC (Supply voltage)
  9. Q (Flip-flop output)
  10. GND (Ground)
  11. Q (Complementary flip-flop output)
  12. PRE (Preset)
  13. CLK (Clock input)
  14. D (Data input)

Functional Features

  • Positive-edge-triggered flip-flop: The SN74LVC74AQDREP stores and transfers data on the rising edge of the clock signal.
  • Dual D-type flip-flop: It consists of two independent flip-flops, allowing for simultaneous operation.
  • Low-voltage operation: The IC operates at a low supply voltage range of 1.65V to 5.5V.
  • High-speed performance: With a maximum operating frequency of 200MHz, it enables fast data processing.
  • Clear and preset functionality: The CLR and PRE pins allow for clearing or setting the flip-flop outputs.

Advantages and Disadvantages

Advantages: - Low-voltage operation makes it suitable for battery-powered devices. - High-speed performance allows for efficient data processing. - Dual flip-flop configuration provides flexibility in circuit design. - Clear and preset functionality enhances control over the flip-flop outputs.

Disadvantages: - Limited to positive-edge-triggered operation, may not be suitable for all applications. - Availability in TSSOP package only, which may require additional considerations during PCB layout.

Working Principles

The SN74LVC74AQDREP is based on the principles of digital electronics. It utilizes flip-flop circuits to store and transfer binary data. The positive-edge-triggered design ensures that data is captured and transferred precisely when the clock signal transitions from low to high. The dual D-type configuration allows for independent operation of two flip-flops within a single IC.

Detailed Application Field Plans

The SN74LVC74AQDREP can be used in various applications, including but not limited to:

  1. Microcontrollers: Used as a storage element for temporary data storage or synchronization purposes.
  2. Communication Systems: Employed in data transmission and reception circuits.
  3. Digital Signal Processing: Utilized in digital filters, modulators, and demodulators.
  4. Memory Systems: Integrated into memory modules for address decoding and data buffering.
  5. Industrial Automation: Incorporated in control systems for sequential logic operations.

Detailed and Complete Alternative Models

  1. SN74LVC74APWR: Similar to SN74LVC74AQDREP, but available in a 14-pin TSSOP package.
  2. MC74VHC74DT: Dual D-type flip-flop with similar characteristics, available in a 14-pin TSSOP package.
  3. CD4013BE: Dual D-type flip-flop with different characteristics, available in a 14-pin DIP (Dual Inline Package).

These alternative models offer similar functionality and can be considered as replacements for the SN74LVC74AQDREP based on specific requirements.

Word count: 536 words

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací SN74LVC74AQDREP v technických řešeních

Sure! Here are 10 common questions and answers related to the application of SN74LVC74AQDREP in technical solutions:

  1. Q: What is SN74LVC74AQDREP? A: SN74LVC74AQDREP is a dual positive-edge-triggered D-type flip-flop with clear and preset, designed for 3.3V or 5V VCC operation.

  2. Q: What are the key features of SN74LVC74AQDREP? A: The key features include low power consumption, high-speed operation, wide operating voltage range, and compatibility with both TTL and CMOS logic levels.

  3. Q: What is the maximum operating frequency of SN74LVC74AQDREP? A: The maximum operating frequency of SN74LVC74AQDREP is typically around 200 MHz.

  4. Q: Can SN74LVC74AQDREP be used in both 3.3V and 5V systems? A: Yes, SN74LVC74AQDREP is compatible with both 3.3V and 5V systems, making it versatile for various applications.

  5. Q: How many flip-flops are there in SN74LVC74AQDREP? A: SN74LVC74AQDREP consists of two independent D-type flip-flops.

  6. Q: Does SN74LVC74AQDREP have any built-in clear and preset functions? A: Yes, SN74LVC74AQDREP has both clear (CLR) and preset (PRE) inputs to initialize the flip-flop outputs.

  7. Q: What is the typical propagation delay of SN74LVC74AQDREP? A: The typical propagation delay of SN74LVC74AQDREP is around 4.3 ns.

  8. Q: Can SN74LVC74AQDREP be used in high-speed data transfer applications? A: Yes, SN74LVC74AQDREP is suitable for high-speed data transfer due to its low propagation delay and high operating frequency.

  9. Q: Is SN74LVC74AQDREP compatible with other logic families? A: Yes, SN74LVC74AQDREP is compatible with both TTL and CMOS logic levels, allowing it to interface with various logic families.

  10. Q: What are some typical applications of SN74LVC74AQDREP? A: SN74LVC74AQDREP can be used in applications such as data storage, address decoding, clock synchronization, and general-purpose flip-flop circuits.

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