ON Semiconductor
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MC74HC574AFELG
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MC74HC574AFELG

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Digital Logic
  • Characteristics: High-Speed, Octal D-Type Flip-Flop with 3-State Outputs
  • Package: SOIC (Small Outline Integrated Circuit)
  • Essence: The MC74HC574AFELG is a high-speed octal D-type flip-flop with 3-state outputs. It is designed for general-purpose storage applications in digital systems.
  • Packaging/Quantity: The MC74HC574AFELG is available in a tape and reel packaging, with 2500 units per reel.

Specifications

  • Supply Voltage: 2V to 6V
  • High-Level Input Voltage: 2V
  • Low-Level Input Voltage: 0.8V
  • Output Current: ±25mA
  • Propagation Delay: 14ns (typical)
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MC74HC574AFELG has a total of 20 pins. The pin configuration is as follows:

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

Functional Features

  • Octal D-Type Flip-Flop with 3-State Outputs
  • High-Speed Operation
  • Buffered Inputs
  • 3-State Outputs for Bus-Oriented Applications
  • Common Clock and Output Enable Inputs
  • Positive-Edge Triggered Flip-Flops
  • Direct Overriding Clear

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient data storage and retrieval. - Buffered inputs ensure signal integrity and prevent signal degradation. - 3-state outputs enable bus-oriented applications, allowing multiple devices to share a common bus.

Disadvantages: - Limited supply voltage range of 2V to 6V may restrict compatibility with certain systems. - Propagation delay of 14ns may introduce timing constraints in high-speed applications.

Working Principles

The MC74HC574AFELG operates as an octal D-type flip-flop with 3-state outputs. It stores digital data using positive-edge triggered flip-flops. The clock pulse input (CP) controls the transfer of data from the input pins (D0-D7) to the output pins (Q0-Q7). The output enable input (OE) enables or disables the 3-state outputs, allowing multiple devices to share a common bus.

Detailed Application Field Plans

The MC74HC574AFELG is commonly used in various digital systems where efficient data storage and retrieval are required. Some application fields include:

  1. Microcontrollers: Used for storing and manipulating data in microcontroller-based systems.
  2. Communication Systems: Used in data transmission and reception circuits.
  3. Computer Memory: Used in memory modules for temporary data storage.
  4. Industrial Automation: Used in control systems for storing and processing sensor data.
  5. Automotive Electronics: Used in automotive control units for various functions.

Detailed and Complete Alternative Models

  1. SN74HC574N: Similar octal D-type flip-flop with 3-state outputs, offered by Texas Instruments.
  2. CD74HC574E: Octal D-type flip-flop with 3-state outputs, offered by Texas Instruments.
  3. 74HCT574: Octal D-type flip-flop with 3-state outputs, offered by NXP Semiconductors.

These alternative models provide similar functionality and can be used as substitutes for the MC74HC574AFELG in various applications.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací MC74HC574AFELG v technických řešeních

Sure! Here are 10 common questions and answers related to the application of MC74HC574AFELG in technical solutions:

  1. Q: What is MC74HC574AFELG? A: MC74HC574AFELG 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 main features of MC74HC574AFELG? A: The main features include high-speed operation, wide operating voltage range, 3-state outputs, and compatibility with TTL inputs.

  3. Q: How can MC74HC574AFELG be used in technical solutions? A: It can be used for various applications such as data storage, address latching, signal buffering, and bus interfacing.

  4. Q: What is the maximum operating frequency of MC74HC574AFELG? A: The maximum operating frequency is typically around 80 MHz.

  5. Q: What is the power supply voltage range for MC74HC574AFELG? A: The power supply voltage range is usually between 2V and 6V.

  6. Q: Can MC74HC574AFELG handle both asynchronous and synchronous inputs? A: Yes, it can handle both asynchronous and synchronous inputs.

  7. Q: Does MC74HC574AFELG have any built-in protection features? A: No, MC74HC574AFELG does not have built-in protection features. External measures may be required to protect against ESD or overvoltage.

  8. Q: What is the output drive capability of MC74HC574AFELG? A: The output drive capability is typically around 4 mA.

  9. Q: Is MC74HC574AFELG compatible with other logic families? A: Yes, MC74HC574AFELG is compatible with a wide range of logic families including TTL, CMOS, and LSTTL.

  10. Q: Are there any specific layout considerations for using MC74HC574AFELG? A: It is recommended to follow proper PCB layout guidelines to minimize noise, ensure signal integrity, and optimize performance.

Please note that the answers provided here are general and may vary depending on the specific application and requirements.