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74ACT374SJ
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Encyclopedia Entry: 74ACT374SJ

Product Information Overview

  • Category: Integrated Circuit (IC)
  • Use: Flip-Flop / Latch
  • Characteristics: High-speed, low-power consumption
  • Package: SOIC (Small Outline Integrated Circuit)
  • Essence: Sequential logic device
  • Packaging/Quantity: Tape and Reel / 2500 units per reel

Specifications

The 74ACT374SJ is a flip-flop/latch integrated circuit belonging to the ACT family of high-speed CMOS devices. It operates on a supply voltage range of 4.5V to 5.5V and offers a wide operating temperature range of -40°C to +85°C. This IC features eight D-type flip-flops with 3-state outputs, making it suitable for various applications requiring sequential logic.

Detailed Pin Configuration

The 74ACT374SJ has a total of 20 pins, each serving a specific function. The pin configuration is as follows:

  1. Pin 1: Output Enable (OE)
  2. Pin 2: Data Input (D0)
  3. Pin 3: Data Input (D1)
  4. Pin 4: Data Input (D2)
  5. Pin 5: Data Input (D3)
  6. Pin 6: Data Input (D4)
  7. Pin 7: Data Input (D5)
  8. Pin 8: Data Input (D6)
  9. Pin 9: Data Input (D7)
  10. Pin 10: Clock (CLK)
  11. Pin 11: Master Reset (MR)
  12. Pin 12: Q Output (Q0)
  13. Pin 13: Q Output (Q1)
  14. Pin 14: Q Output (Q2)
  15. Pin 15: Q Output (Q3)
  16. Pin 16: Q Output (Q4)
  17. Pin 17: Q Output (Q5)
  18. Pin 18: Q Output (Q6)
  19. Pin 19: Q Output (Q7)
  20. Pin 20: Ground (GND)

Functional Features

The 74ACT374SJ offers the following functional features:

  • High-speed operation, making it suitable for time-critical applications.
  • Low-power consumption, ensuring efficient energy usage.
  • 3-state outputs allow multiple devices to share a common bus without interference.
  • Master Reset (MR) input enables synchronous reset of all flip-flops.
  • Output Enable (OE) input controls the output state of the device.

Advantages and Disadvantages

Advantages: - High-speed operation allows for quick data processing. - Low-power consumption reduces energy requirements. - 3-state outputs facilitate bus sharing in complex systems. - Synchronous reset simplifies system initialization.

Disadvantages: - Limited voltage supply range (4.5V to 5.5V). - Requires careful handling due to its small package size.

Working Principles

The 74ACT374SJ operates based on the principles of sequential logic. It utilizes D-type flip-flops to store and transfer data. The clock signal (CLK) synchronizes the transfer of data from the input pins (D0-D7) to the corresponding output pins (Q0-Q7). The Master Reset (MR) input allows for synchronous reset of all flip-flops, while the Output Enable (OE) input controls the output state of the device.

Detailed Application Field Plans

The 74ACT374SJ finds application in various fields that require sequential logic, such as:

  1. Microprocessor-based systems
  2. Data storage and retrieval systems
  3. Communication systems
  4. Industrial automation
  5. Control systems

Detailed and Complete Alternative Models

  1. 74ACT373: Similar to 74ACT374SJ, but with transparent latch functionality.
  2. 74HC374: A CMOS version of the flip-flop/latch IC with similar characteristics.
  3. 74LS374: A low-power Schottky version of the flip-flop/latch IC.

These alternative models offer similar functionality and can be used as substitutes for the 74ACT374SJ in various applications.

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Перечислите 10 распространенных вопросов и ответов, связанных с применением 74ACT374SJ в технических решениях.

Sure! Here are 10 common questions and answers related to the application of 74ACT374SJ in technical solutions:

  1. Q: What is the 74ACT374SJ? A: The 74ACT374SJ is a type of octal D-type flip-flop integrated circuit (IC) that can store and transfer data in digital systems.

  2. Q: What is the purpose of using the 74ACT374SJ? A: The 74ACT374SJ is commonly used for data storage, data transfer, and synchronization in various digital applications.

  3. Q: How many flip-flops are there in the 74ACT374SJ? A: The 74ACT374SJ consists of eight individual D-type flip-flops, making it an octal flip-flop IC.

  4. Q: What is the maximum clock frequency supported by the 74ACT374SJ? A: The 74ACT374SJ can typically operate at clock frequencies up to 100 MHz, depending on the specific datasheet specifications.

  5. Q: Can the 74ACT374SJ be cascaded to increase the number of flip-flops? A: Yes, multiple 74ACT374SJ ICs can be cascaded together to increase the number of flip-flops and achieve larger data storage capabilities.

  6. Q: What is the power supply voltage range for the 74ACT374SJ? A: The 74ACT374SJ typically operates with a power supply voltage range of 4.5V to 5.5V.

  7. Q: Does the 74ACT374SJ support tri-state outputs? A: Yes, the 74ACT374SJ has tri-state outputs, which means the outputs can be disabled or put into a high-impedance state when not needed.

  8. Q: Can the 74ACT374SJ be used in both synchronous and asynchronous applications? A: Yes, the 74ACT374SJ can be used in both synchronous and asynchronous applications, depending on the specific requirements of the system.

  9. Q: What is the typical propagation delay of the 74ACT374SJ? A: The typical propagation delay of the 74ACT374SJ is around 5 ns, but this value may vary depending on operating conditions.

  10. Q: Are there any special considerations for PCB layout when using the 74ACT374SJ? A: Yes, it is important to follow proper PCB layout guidelines to minimize noise, ensure signal integrity, and optimize performance when using the 74ACT374SJ.