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

Maglista ng 10 karaniwang tanong at sagot na nauugnay sa aplikasyon ng SN74LVC74AQDREP sa mga teknikal na solusyon

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.