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SN74HCT574NSR

SN74HCT574NSR

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Octal D-type flip-flop with 3-state outputs
  • Characteristics:
    • High-speed operation
    • Wide operating voltage range
    • 3-state outputs for bus-oriented applications
  • Package: SOIC (Small Outline Integrated Circuit)
  • Essence: Flip-flop with 8-bit storage and 3-state outputs
  • Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

  • Supply Voltage Range: 4.5V to 5.5V
  • Input Voltage Range: 0V to VCC
  • Output Voltage Range: 0V to VCC
  • Operating Temperature Range: -40°C to +85°C
  • Input Capacitance: 3.5pF
  • Output Capacitance: 6pF
  • Propagation Delay Time: 14ns
  • Output Current: ±6mA

Detailed Pin Configuration

The SN74HCT574NSR 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. OE (Output enable)
  11. CP (Clock pulse)
  12. MR (Master reset)
  13. Q0 (Flip-flop output 0)
  14. Q1 (Flip-flop output 1)
  15. Q2 (Flip-flop output 2)
  16. Q3 (Flip-flop output 3)
  17. Q4 (Flip-flop output 4)
  18. Q5 (Flip-flop output 5)
  19. Q6 (Flip-flop output 6)
  20. VCC (Supply voltage)

Functional Features

The SN74HCT574NSR is an octal D-type flip-flop with 3-state outputs. It can store 8 bits of data and has a clock pulse input for synchronizing the data transfer. The output enable pin allows the outputs to be put in a high-impedance state, making it suitable for bus-oriented applications. The flip-flop operates at high speed and has a wide operating voltage range.

Advantages and Disadvantages

Advantages: - High-speed operation - Wide operating voltage range - 3-state outputs for bus-oriented applications

Disadvantages: - Limited output current capacity - Requires external clock signal for proper operation

Working Principles

The SN74HCT574NSR works based on the principles of digital logic. It uses D-type flip-flops to store and transfer data. The clock pulse input triggers the transfer of data from the input pins to the flip-flops. The output enable pin controls whether the outputs are active or in a high-impedance state. When the outputs are in a high-impedance state, they do not affect the bus lines they are connected to.

Detailed Application Field Plans

The SN74HCT574NSR is commonly used in various applications, including:

  1. Microprocessor systems
  2. Data storage systems
  3. Communication equipment
  4. Industrial control systems
  5. Automotive electronics

In microprocessor systems, it can be used for data buffering and synchronization. In data storage systems, it can be used for address decoding and data transfer. In communication equipment, it can be used for protocol handling and data routing. In industrial control systems, it can be used for signal processing and control logic. In automotive electronics, it can be used for sensor interfacing and data acquisition.

Detailed and Complete Alternative Models

Some alternative models to the SN74HCT574NSR include:

  1. 74HC574: Similar octal D-type flip-flop with 3-state outputs, but operates at a lower voltage range.
  2. CD74HCT574: Octal D-type flip-flop with 3-state outputs from a different manufacturer.
  3. MC74HCT574A: Improved version of the SN74HCT574NSR with enhanced performance characteristics.

These alternative models offer similar functionality and can be used as replacements depending on specific requirements and availability.

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Перечислите 10 распространенных вопросов и ответов, связанных с применением SN74HCT574NSR в технических решениях.

Sure! Here are 10 common questions and answers related to the application of SN74HCT574NSR in technical solutions:

  1. Q: What is the SN74HCT574NSR? A: The SN74HCT574NSR is a high-speed octal D-type flip-flop with 3-state outputs, commonly used in digital logic circuits.

  2. Q: What is the maximum operating voltage for the SN74HCT574NSR? A: The SN74HCT574NSR has a maximum operating voltage of 5.5V.

  3. Q: How many flip-flops are there in the SN74HCT574NSR? A: The SN74HCT574NSR contains 8 individual D-type flip-flops.

  4. Q: What is the clock frequency range supported by the SN74HCT574NSR? A: The SN74HCT574NSR can operate at clock frequencies up to 25 MHz.

  5. Q: Can I use the SN74HCT574NSR for bidirectional data transfer? A: No, the SN74HCT574NSR supports unidirectional data transfer only.

  6. Q: What is the power supply voltage range for the SN74HCT574NSR? A: The SN74HCT574NSR can be powered with a voltage ranging from 4.5V to 5.5V.

  7. Q: Does the SN74HCT574NSR have internal pull-up or pull-down resistors? A: No, the SN74HCT574NSR does not have internal pull-up or pull-down resistors.

  8. Q: Can I cascade multiple SN74HCT574NSR devices together? A: Yes, you can cascade multiple SN74HCT574NSR devices to increase the number of flip-flops in your circuit.

  9. Q: What is the output drive capability of the SN74HCT574NSR? A: The SN74HCT574NSR has a typical output drive capability of ±6 mA.

  10. Q: Is the SN74HCT574NSR compatible with both TTL and CMOS logic levels? A: Yes, the SN74HCT574NSR is compatible with both TTL and CMOS logic levels, making it versatile for various applications.

Please note that these answers are general and may vary depending on the specific requirements and datasheet of the SN74HCT574NSR.