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SN74HCT74N

SN74HCT74N

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Flip-Flop
  • Characteristics: High-speed, CMOS technology
  • Package: DIP (Dual In-line Package)
  • Essence: Dual D-type Positive-Edge-Triggered Flip-Flop
  • Packaging/Quantity: Tube, 25 pieces per tube

Specifications

The SN74HCT74N is a dual D-type positive-edge-triggered flip-flop integrated circuit. It operates on high-speed CMOS technology, making it suitable for various digital applications. The IC comes in a DIP package, which provides ease of use and compatibility with standard breadboards and PCBs. Each tube contains 25 pieces of the SN74HCT74N.

Detailed Pin Configuration

The SN74HCT74N has a total of 14 pins, each serving a specific function. Here is the detailed pin configuration:

  1. CLR (Clear) - Clear input
  2. D1 (Data Input 1) - Data input for flip-flop 1
  3. CLK1 (Clock Input 1) - Clock input for flip-flop 1
  4. SET (Set) - Set input
  5. GND (Ground) - Ground reference
  6. Q1 (Flip-Flop 1 Output) - Output of flip-flop 1
  7. Q1' (Complementary Output of Flip-Flop 1) - Complementary output of flip-flop 1
  8. CLK2 (Clock Input 2) - Clock input for flip-flop 2
  9. D2 (Data Input 2) - Data input for flip-flop 2
  10. VCC (Power Supply) - Positive power supply
  11. Q2' (Complementary Output of Flip-Flop 2) - Complementary output of flip-flop 2
  12. Q2 (Flip-Flop 2 Output) - Output of flip-flop 2
  13. PRE (Preset) - Preset input
  14. PRD (Preset Enable) - Preset enable input

Functional Features

The SN74HCT74N offers the following functional features:

  • Dual D-type positive-edge-triggered flip-flop with complementary outputs.
  • High-speed operation due to CMOS technology.
  • Clear and preset inputs for easy initialization.
  • Positive-edge triggering for synchronized data transfer.
  • Complementary outputs for versatile applications.

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient data processing. - CMOS technology provides low power consumption. - Dual flip-flop configuration enhances versatility in digital circuits. - Clear and preset inputs simplify initialization.

Disadvantages: - Limited number of flip-flops per IC package. - Requires external clock signal for proper operation. - Not suitable for applications requiring negative-edge triggering.

Working Principles

The SN74HCT74N operates based on positive-edge triggering. When a rising edge is detected at the clock input (CLK1 or CLK2), the data present at the respective data input (D1 or D2) is transferred to the corresponding flip-flop. The outputs (Q1, Q1', Q2, Q2') reflect the state of the flip-flops and can be used as desired. The clear and preset inputs allow for initialization and control of the flip-flop states.

Detailed Application Field Plans

The SN74HCT74N finds applications in various digital systems, including but not limited to:

  1. Sequential logic circuits
  2. Data storage and retrieval systems
  3. Counters and frequency dividers
  4. State machines and control units
  5. Clock synchronization circuits

Its high-speed operation, dual flip-flop configuration, and versatile functionality make it suitable for a wide range of digital applications.

Detailed and Complete Alternative Models

  1. SN74HCT74 - Similar to SN74HCT74N but in SOIC (Small Outline Integrated Circuit) package.
  2. 74HC74 - Equivalent flip-flop IC with TTL (Transistor-Transistor Logic) technology.
  3. CD4013 - Dual D-type flip-flop IC with complementary outputs.

These alternative models offer similar functionality and can be used as replacements for the SN74HCT74N depending on specific requirements.

In conclusion, the SN74HCT74N is a high-speed CMOS integrated circuit belonging to the flip-flop category. Its dual D-type positive-edge-triggered design, along with its versatile features, makes it suitable for various digital applications. The detailed pin configuration, advantages, disadvantages, working principles, application field plans, and alternative models provide a comprehensive understanding of this IC's capabilities.

기술 솔루션에 SN74HCT74N 적용과 관련된 10가지 일반적인 질문과 답변을 나열하세요.

Sure! Here are 10 common questions and answers related to the application of SN74HCT74N:

  1. Question: What is SN74HCT74N?
    Answer: SN74HCT74N is a dual D-type flip-flop integrated circuit (IC) that can store and manipulate digital signals.

  2. Question: What is the voltage range supported by SN74HCT74N?
    Answer: SN74HCT74N supports a voltage range of 2V to 6V.

  3. Question: What is the maximum clock frequency for SN74HCT74N?
    Answer: The maximum clock frequency for SN74HCT74N is typically around 25 MHz.

  4. Question: How many flip-flops are there in SN74HCT74N?
    Answer: SN74HCT74N contains two independent D-type flip-flops.

  5. Question: Can SN74HCT74N be used as a counter?
    Answer: Yes, SN74HCT74N can be cascaded to create a multi-bit counter.

  6. Question: What is the power supply requirement for SN74HCT74N?
    Answer: SN74HCT74N requires a power supply voltage of 5V.

  7. Question: Does SN74HCT74N have any built-in protection features?
    Answer: Yes, SN74HCT74N has built-in diode clamps on the inputs to protect against electrostatic discharge (ESD).

  8. Question: Can SN74HCT74N operate in both rising and falling edge-triggered modes?
    Answer: Yes, SN74HCT74N can be configured to operate in either rising or falling edge-triggered mode.

  9. Question: What is the typical propagation delay of SN74HCT74N?
    Answer: The typical propagation delay of SN74HCT74N is around 15 ns.

  10. Question: Can SN74HCT74N be used in high-speed applications?
    Answer: While SN74HCT74N is not specifically designed for high-speed applications, it can still be used in moderate-speed digital systems.

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