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SN74F74N
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SN74F74N

Product Overview

Category: Integrated Circuit (IC)

Use: The SN74F74N is a dual positive-edge-triggered D-type flip-flop IC. It is commonly used in digital electronics for storing and transferring binary data.

Characteristics: - Dual flip-flop package - Positive-edge-triggered operation - High-speed performance - Wide operating voltage range - Low power consumption

Package: The SN74F74N is available in a 14-pin plastic dual in-line package (DIP).

Essence: The essence of the SN74F74N lies in its ability to store and transfer binary data reliably and efficiently.

Packaging/Quantity: The SN74F74N is typically sold in reels or tubes, with quantities varying depending on the supplier.

Specifications

  • Supply Voltage Range: 4.5V to 5.5V
  • Operating Temperature Range: -40°C to 85°C
  • Propagation Delay Time: 8 ns (max)
  • Input Capacitance: 3 pF (typ)
  • Output Current: ±6 mA (max)

Pin Configuration

The SN74F74N has a total of 14 pins, which are assigned specific functions as follows:

  1. CLR (Clear) - Clear input pin
  2. D1 (Data 1) - Data input for flip-flop 1
  3. CLK1 (Clock 1) - Clock input for flip-flop 1
  4. PR (Preset) - Preset input pin
  5. Q1 (Output 1) - Output for flip-flop 1
  6. Q̅1 (Complementary Output 1) - Complementary output for flip-flop 1
  7. GND (Ground) - Ground reference pin
  8. Q̅0 (Complementary Output 0) - Complementary output for flip-flop 0
  9. Q0 (Output 0) - Output for flip-flop 0
  10. CLK0 (Clock 0) - Clock input for flip-flop 0
  11. D0 (Data 0) - Data input for flip-flop 0
  12. SET (Set) - Set input pin
  13. VCC (Supply Voltage) - Positive supply voltage pin
  14. NC (No Connection) - No connection pin

Functional Features

  • Dual flip-flop design allows independent operation of two separate data inputs.
  • Positive-edge-triggered operation ensures reliable data transfer on clock signal rising edges.
  • Clear and preset inputs provide additional control over the flip-flop states.
  • Complementary outputs allow for versatile logic circuit designs.

Advantages and Disadvantages

Advantages: - High-speed performance enables efficient data processing. - Wide operating voltage range provides flexibility in various applications. - Low power consumption contributes to energy-efficient designs.

Disadvantages: - Limited number of flip-flops per IC package may restrict complex circuit implementations. - Lack of built-in protection features may require additional external circuitry for robust operation.

Working Principles

The SN74F74N operates based on the principles of positive-edge-triggered D-type flip-flops. When a rising edge is detected on the clock input, the data input is transferred to the corresponding output. The clear and preset inputs allow for specific states to be set or cleared as desired.

Detailed Application Field Plans

The SN74F74N finds applications in various digital systems, including but not limited to: - Sequential logic circuits - Data storage and transfer systems - Counters and frequency dividers - Register-based designs - Synchronous data transmission systems

Detailed and Complete Alternative Models

  • SN74F74D: Similar to SN74F74N, but available in a smaller SOIC package.
  • CD4013B: Dual D-type flip-flop IC with complementary outputs and additional features.
  • MC14013B: Dual type-D flip-flop IC with complementary outputs and Schmitt trigger inputs.

These alternative models offer similar functionality to the SN74F74N and can be considered as replacements depending on specific requirements.

In conclusion, the SN74F74N is a dual positive-edge-triggered D-type flip-flop IC that provides reliable data storage and transfer capabilities. Its high-speed performance, wide operating voltage range, and low power consumption make it suitable for various digital applications.

Liste 10 almindelige spørgsmål og svar relateret til anvendelsen af SN74F74N i tekniske løsninger

Sure! Here are 10 common questions and answers related to the application of SN74F74N in technical solutions:

  1. Q: What is SN74F74N? A: SN74F74N is a dual positive-edge-triggered D-type flip-flop integrated circuit (IC) that can store a single bit of data.

  2. Q: What is the purpose of using SN74F74N in a technical solution? A: SN74F74N can be used for various purposes, such as storing data, synchronizing signals, creating counters, or implementing sequential logic circuits.

  3. Q: How many flip-flops are there in SN74F74N? A: SN74F74N contains two independent flip-flops, which means it can store two bits of data simultaneously.

  4. Q: What is the maximum clock frequency supported by SN74F74N? A: The maximum clock frequency supported by SN74F74N is typically around 100 MHz, but it may vary depending on the specific conditions and datasheet specifications.

  5. Q: Can SN74F74N operate with both positive and negative clock edges? A: No, SN74F74N is designed to work only with positive-edge-triggered clocks. It ignores any changes that occur on the negative edge of the clock signal.

  6. Q: What is the power supply voltage range for SN74F74N? A: SN74F74N operates with a power supply voltage range of 4.5V to 5.5V, making it compatible with standard TTL logic levels.

  7. Q: Does SN74F74N have any built-in asynchronous inputs? A: Yes, SN74F74N has asynchronous preset (PRE) and clear (CLR) inputs, which allow you to set or reset the flip-flop outputs regardless of the clock signal.

  8. Q: Can SN74F74N be cascaded to create larger counters or shift registers? A: Yes, multiple SN74F74N ICs can be cascaded together to create larger counters or shift registers by connecting the output of one flip-flop to the input of another.

  9. Q: What is the typical propagation delay of SN74F74N? A: The typical propagation delay of SN74F74N is around 10-15 nanoseconds, but it may vary depending on the specific operating conditions and load capacitance.

  10. Q: Are there any special considerations for using SN74F74N in high-speed applications? A: Yes, in high-speed applications, it is important to consider factors like signal integrity, proper decoupling capacitors, and minimizing trace lengths to avoid timing issues and signal degradation.

Please note that these answers are general and may vary based on the specific datasheet and application requirements of SN74F74N.