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SN74HCT74DRE4

SN74HCT74DRE4

Product Overview

Category

SN74HCT74DRE4 belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in digital electronics for various applications such as data storage, signal processing, and sequential logic.

Characteristics

  • High-speed operation
  • Low power consumption
  • Wide operating voltage range
  • Schmitt-trigger inputs for noise immunity
  • Dual D-type flip-flop with set and reset functionality

Package

SN74HCT74DRE4 is available in a small outline integrated circuit (SOIC) package.

Essence

The essence of SN74HCT74DRE4 lies in its ability to store and manipulate digital information using flip-flops, making it an essential component in many electronic devices.

Packaging/Quantity

SN74HCT74DRE4 is typically packaged in reels or tubes, with each reel or tube containing a specific quantity of ICs. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

  • Supply Voltage: 2V to 6V
  • Operating Temperature Range: -40°C to +85°C
  • Logic Family: HCT
  • Number of Flip-Flops: 2
  • Input Type: Schmitt-trigger
  • Output Type: Standard

Detailed Pin Configuration

SN74HCT74DRE4 has a total of 14 pins, which are assigned specific functions as follows:

  1. CLR (Clear): Clear input for resetting the flip-flop.
  2. D1 (Data Input 1): Input for the first flip-flop.
  3. CLK (Clock): Clock input for synchronizing the flip-flop operation.
  4. D2 (Data Input 2): Input for the second flip-flop.
  5. Q1 (Output 1): Output of the first flip-flop.
  6. Q1 (Complementary Output 1): Complementary output of the first flip-flop.
  7. GND (Ground): Ground reference for the IC.
  8. Q2 (Output 2): Output of the second flip-flop.
  9. Q2 (Complementary Output 2): Complementary output of the second flip-flop.
  10. PRE (Preset): Preset input for setting the flip-flop.
  11. VCC (Supply Voltage): Positive supply voltage for the IC.
  12. SET (Set): Set input for setting the flip-flop.
  13. D3 (Data Input 3): Input for additional functionality (if available).
  14. D4 (Data Input 4): Input for additional functionality (if available).

Functional Features

  • Dual D-type flip-flop with independent set and reset functionality.
  • High-speed operation allows for efficient data processing.
  • Schmitt-trigger inputs provide noise immunity, ensuring reliable operation even in noisy environments.
  • Wide operating voltage range makes it compatible with various power supply configurations.
  • Low power consumption helps conserve energy in battery-powered applications.

Advantages and Disadvantages

Advantages

  • High-speed operation enables quick data processing.
  • Low power consumption prolongs battery life in portable devices.
  • Schmitt-trigger inputs enhance noise immunity, improving overall reliability.
  • Wide operating voltage range offers flexibility in different power supply scenarios.

Disadvantages

  • Limited number of flip-flops may restrict the complexity of sequential logic circuits.
  • Lack of additional functionality inputs may limit certain application requirements.

Working Principles

SN74HCT74DRE4 operates based on the principles of flip-flops, which are fundamental building blocks of digital circuits. The flip-flops within this IC store and manipulate binary information using clock signals and control inputs. The clock signal synchronizes the state changes of the flip-flops, while the set and reset inputs allow for specific states to be forced.

Detailed Application Field Plans

SN74HCT74DRE4 finds applications in various fields, including: - Digital data storage systems - Communication devices - Microcontrollers - Signal processing circuits - Sequential logic circuits

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to SN74HCT74DRE4 are: - 74HC74 - CD4013 - MC74HC74A - HEF4013

These alternative models offer similar functionality and characteristics, providing options for different design requirements.

In conclusion, SN74HCT74DRE4 is a versatile integrated circuit used in digital electronics for data storage, signal processing, and sequential logic applications. Its high-speed operation, low power consumption, and wide operating voltage range make it suitable for various electronic devices. While it has advantages such as noise immunity and flexibility, its limitations include a limited number of flip-flops and lack of additional functionality inputs. Understanding its pin configuration, working principles, and alternative models allows designers to effectively utilize SN74HCT74DRE

Liệt kê 10 câu hỏi và câu trả lời thường gặp liên quan đến ứng dụng SN74HCT74DRE4 trong giải pháp kỹ thuật

Sure! Here are 10 common questions and answers related to the application of SN74HCT74DRE4 in technical solutions:

  1. Q: What is the SN74HCT74DRE4? A: The SN74HCT74DRE4 is a dual positive-edge-triggered D-type flip-flop integrated circuit (IC) that can store one bit of data.

  2. Q: What is the operating voltage range for SN74HCT74DRE4? A: The operating voltage range for SN74HCT74DRE4 is typically between 4.5V and 5.5V.

  3. Q: What is the maximum clock frequency supported by SN74HCT74DRE4? A: The maximum clock frequency supported by SN74HCT74DRE4 is typically around 25 MHz.

  4. Q: Can SN74HCT74DRE4 be used as a counter? A: Yes, SN74HCT74DRE4 can be used as a basic counter by cascading multiple flip-flops together.

  5. Q: How many flip-flops are there in SN74HCT74DRE4? A: SN74HCT74DRE4 contains two independent flip-flops in a single package.

  6. Q: What is the power consumption of SN74HCT74DRE4? A: The power consumption of SN74HCT74DRE4 is relatively low, typically around a few milliwatts.

  7. Q: Can SN74HCT74DRE4 operate in both rising and falling edge-triggered modes? A: No, SN74HCT74DRE4 is specifically designed for positive-edge-triggered operation only.

  8. Q: What is the typical propagation delay of SN74HCT74DRE4? A: The typical propagation delay of SN74HCT74DRE4 is around 10-15 nanoseconds.

  9. Q: Can SN74HCT74DRE4 be used in high-speed applications? A: While SN74HCT74DRE4 is not specifically designed for high-speed applications, it can still be used in moderate-speed digital circuits.

  10. Q: What are some common applications of SN74HCT74DRE4? A: SN74HCT74DRE4 is commonly used in various digital systems, such as counters, registers, data storage, and general-purpose logic circuits.

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