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74AHCT74BQ,115

Encyclopedia Entry: 74AHCT74BQ,115

Product Information Overview

  • Category: Integrated Circuit (IC)
  • Use: Flip-Flop
  • Characteristics: High-speed, low-power, dual D-type positive-edge-triggered flip-flop
  • Package: TSSOP (Thin Shrink Small Outline Package)
  • Essence: Reliable and efficient storage element for digital circuits
  • 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 100 MHz
  • Propagation Delay: 7 ns (typical)
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The 74AHCT74BQ,115 IC has a total of 14 pins, each serving a specific function:

  1. Pin 1: Data Input (D1)
  2. Pin 2: Clock Input (CLK1)
  3. Pin 3: Set Input (SET1)
  4. Pin 4: Reset Input (RESET1)
  5. Pin 5: Output (Q1)
  6. Pin 6: Complementary Output (Q̅1)
  7. Pin 7: Ground (GND)
  8. Pin 8: Output (Q̅2)
  9. Pin 9: Complementary Output (Q2)
  10. Pin 10: Data Input (D2)
  11. Pin 11: Clock Input (CLK2)
  12. Pin 12: Set Input (SET2)
  13. Pin 13: Reset Input (RESET2)
  14. Pin 14: Supply Voltage (VCC)

Functional Features

  • Dual D-type flip-flop with independent inputs and outputs
  • Positive-edge-triggered operation for synchronized data storage
  • Asynchronous set and reset inputs for easy initialization
  • High-speed operation suitable for time-critical applications
  • Low power consumption for energy-efficient designs
  • Wide operating temperature range for versatile usage scenarios

Advantages and Disadvantages

Advantages: - Reliable and robust storage element for digital circuits - High-speed operation enables efficient data processing - Low power consumption contributes to energy efficiency - Versatile operating temperature range for various environments

Disadvantages: - Limited number of flip-flops per IC (2 in this case) - Requires external clock signal for proper functioning

Working Principles

The 74AHCT74BQ,115 is a positive-edge-triggered flip-flop that stores digital data. It consists of two independent D-type flip-flops, each with its own data input (D), clock input (CLK), set input (SET), and reset input (RESET). The flip-flop operates on the rising edge of the clock signal, capturing the data present at the D input and storing it in the internal memory.

The set (SET) and reset (RESET) inputs allow for asynchronous initialization of the flip-flop's state. When the SET input is activated, the Q output goes high, while the Q̅ output goes low. Conversely, activating the RESET input sets Q to low and Q̅ to high. These inputs provide flexibility in controlling the initial state of the flip-flop.

Detailed Application Field Plans

The 74AHCT74BQ,115 flip-flop finds application in various digital systems and circuits, including:

  1. Sequential Logic Circuits: Used as building blocks for counters, shift registers, and other sequential logic elements.
  2. Data Storage Systems: Employed in memory units, cache systems, and data buffers for reliable data storage.
  3. Clock Synchronization: Facilitates synchronization of multiple digital signals by capturing and aligning data at specific clock edges.
  4. Digital Communication Systems: Enables efficient data transmission and reception in protocols such as UART, SPI, and I2C.
  5. Microcontroller and FPGA Designs: Utilized for state machine implementations, control logic, and signal processing.

Detailed and Complete Alternative Models

  1. 74HC74: Similar dual D-type flip-flop with slightly different electrical characteristics.
  2. 74LS74: Dual D-type flip-flop with TTL (Transistor-Transistor Logic) compatible inputs and outputs.
  3. CD4013B: CMOS-based dual D-type flip-flop with additional features like Schmitt-trigger inputs.

These alternative models offer similar functionality to the 74AHCT74BQ,115 and can be used as substitutes depending on specific design requirements.


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10 pirs û bersivên hevpar ên têkildarî sepana 74AHCT74BQ,115 di çareseriyên teknîkî de navnîş bikin

Sure! Here are 10 common questions and answers related to the application of 74AHCT74BQ,115:

  1. Question: What is the function of the 74AHCT74BQ,115?
    Answer: The 74AHCT74BQ,115 is a dual D-type flip-flop integrated circuit that can store and manipulate digital signals.

  2. Question: What is the operating voltage range for the 74AHCT74BQ,115?
    Answer: The 74AHCT74BQ,115 operates within a voltage range of 4.5V to 5.5V.

  3. Question: How many flip-flops are there in the 74AHCT74BQ,115?
    Answer: The 74AHCT74BQ,115 contains two independent D-type flip-flops.

  4. Question: Can the 74AHCT74BQ,115 be used for clock synchronization?
    Answer: Yes, the 74AHCT74BQ,115 can be used for clock synchronization as it has dedicated clock inputs.

  5. Question: What is the maximum clock frequency supported by the 74AHCT74BQ,115?
    Answer: The 74AHCT74BQ,115 can support clock frequencies up to 125 MHz.

  6. Question: Does the 74AHCT74BQ,115 have any output enable feature?
    Answer: Yes, the 74AHCT74BQ,115 has an output enable pin (OE) that can be used to disable the outputs.

  7. Question: Can the 74AHCT74BQ,115 be cascaded to create larger counters or shift registers?
    Answer: Yes, multiple 74AHCT74BQ,115 ICs can be cascaded together to create larger counters or shift registers.

  8. Question: What is the power consumption of the 74AHCT74BQ,115?
    Answer: The power consumption of the 74AHCT74BQ,115 is relatively low, making it suitable for battery-powered applications.

  9. Question: Is the 74AHCT74BQ,115 compatible with TTL logic levels?
    Answer: Yes, the 74AHCT74BQ,115 is compatible with both TTL and CMOS logic levels.

  10. Question: Can the 74AHCT74BQ,115 be used in high-speed data transfer applications?
    Answer: Yes, the 74AHCT74BQ,115 can be used in high-speed data transfer applications due to its fast propagation delay and setup/hold times.

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