Texas Instruments
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CD74AC374EG4
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CD74AC374EG4

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Flip-Flop
  • Characteristics: High-speed, low-power consumption
  • Package: 20-pin TSSOP (Thin Shrink Small Outline Package)
  • Essence: Digital storage element
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Supply Voltage Range: 2V to 6V
  • Logic Family: AC
  • Number of Flip-Flops: 8
  • Clock Trigger Type: Positive Edge
  • Output Type: Tri-State
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The CD74AC374EG4 has a total of 20 pins. The pin configuration is as follows:

  1. D0 (Data Input 0)
  2. D1 (Data Input 1)
  3. D2 (Data Input 2)
  4. D3 (Data Input 3)
  5. D4 (Data Input 4)
  6. D5 (Data Input 5)
  7. D6 (Data Input 6)
  8. D7 (Data Input 7)
  9. GND (Ground)
  10. Q0 (Flip-Flop Output 0)
  11. Q1 (Flip-Flop Output 1)
  12. Q2 (Flip-Flop Output 2)
  13. Q3 (Flip-Flop Output 3)
  14. Q4 (Flip-Flop Output 4)
  15. Q5 (Flip-Flop Output 5)
  16. Q6 (Flip-Flop Output 6)
  17. Q7 (Flip-Flop Output 7)
  18. OE (Output Enable)
  19. CP (Clock Pulse)
  20. VCC (Supply Voltage)

Functional Features

  • High-speed operation allows for efficient data transfer.
  • Low-power consumption makes it suitable for battery-powered devices.
  • Tri-State output allows multiple devices to share a common bus.
  • Output Enable (OE) pin provides control over the output state.

Advantages and Disadvantages

Advantages: - High-speed operation enables quick data processing. - Low-power consumption extends battery life in portable devices. - Tri-State output facilitates bus sharing among multiple devices.

Disadvantages: - Limited number of flip-flops (8) may not be sufficient for complex applications. - AC logic family may have compatibility issues with other logic families.

Working Principles

The CD74AC374EG4 is a positive edge-triggered octal D-type flip-flop. It stores data on the rising edge of the clock pulse (CP). The stored data can be accessed through the corresponding output pins (Q0-Q7). The Output Enable (OE) pin controls the output state, allowing the device to be enabled or disabled as needed.

Detailed Application Field Plans

The CD74AC374EG4 is commonly used in various digital systems, including:

  1. Microcontrollers: Used for storing temporary data during program execution.
  2. Communication Systems: Facilitates data buffering and synchronization.
  3. Memory Modules: Enables efficient data storage and retrieval.
  4. Industrial Control Systems: Provides reliable data storage for process control.
  5. Automotive Electronics: Used in vehicle control units for data processing.

Detailed and Complete Alternative Models

  1. SN74AC374: Similar functionality, different package (20-pin PDIP).
  2. MC74AC374: Comparable specifications, alternative manufacturer (Motorola).
  3. 74HC374: Different logic family (HC), compatible with wider voltage range.

Note: This is not an exhaustive list, and there are several other alternative models available in the market.

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Énumérez 10 questions et réponses courantes liées à l'application de CD74AC374EG4 dans les solutions techniques

Sure! Here are 10 common questions and answers related to the application of CD74AC374EG4 in technical solutions:

  1. Q: What is CD74AC374EG4? A: CD74AC374EG4 is a type of integrated circuit (IC) commonly used as an octal D-type flip-flop with 3-state outputs.

  2. Q: What are the key features of CD74AC374EG4? A: Some key features include high-speed operation, low power consumption, 3-state outputs, and compatibility with TTL inputs.

  3. Q: How can CD74AC374EG4 be used in technical solutions? A: It can be used for various applications such as data storage, data transfer, address decoding, and bus interfacing in digital systems.

  4. Q: What is the maximum operating frequency of CD74AC374EG4? A: The maximum operating frequency is typically around 100 MHz, making it suitable for high-speed applications.

  5. Q: Can CD74AC374EG4 handle both synchronous and asynchronous inputs? A: Yes, CD74AC374EG4 supports both synchronous and asynchronous inputs, providing flexibility in different system designs.

  6. Q: What is the voltage supply range for CD74AC374EG4? A: The typical voltage supply range is between 2V and 6V, allowing compatibility with various power sources.

  7. Q: Does CD74AC374EG4 have built-in protection against electrostatic discharge (ESD)? A: Yes, CD74AC374EG4 is designed with ESD protection to prevent damage from static electricity during handling and operation.

  8. Q: Can CD74AC374EG4 drive external loads directly? A: Yes, CD74AC374EG4 has 3-state outputs that can drive external loads directly, eliminating the need for additional buffer circuits.

  9. Q: Is CD74AC374EG4 available in different package options? A: Yes, CD74AC374EG4 is available in various package options such as SOIC, TSSOP, and PDIP, allowing flexibility in PCB designs.

  10. Q: Where can I find more information about CD74AC374EG4's electrical characteristics and application notes? A: You can refer to the datasheet provided by the manufacturer, which contains detailed information about its electrical specifications and application guidelines.

Please note that the answers provided here are general and may vary depending on specific datasheets and manufacturers' recommendations.