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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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Listen Sie 10 häufige Fragen und Antworten im Zusammenhang mit der Anwendung von 74ACT374SJ in technischen Lösungen auf

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.