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SN74LV74ADG4

SN74LV74ADG4

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Flip-Flop
  • Characteristics: Low-voltage, dual D-type positive-edge-triggered flip-flop
  • Package: SOIC (Small Outline Integrated Circuit)
  • Essence: Reliable and efficient flip-flop for digital circuit applications
  • Packaging/Quantity: Available in reels of 2500 units

Specifications

  • Supply Voltage Range: 1.65V to 5.5V
  • High-Level Input Voltage: 2V to VCC + 0.5V
  • Low-Level Input Voltage: -0.5V to 0.8V
  • High-Level Output Voltage: VCC - 0.5V
  • Low-Level Output Voltage: 0.5V
  • Maximum Operating Frequency: 125MHz
  • Propagation Delay Time: 7.3ns (typical)

Detailed Pin Configuration

The SN74LV74ADG4 has a total of 14 pins, which are assigned as follows:

  1. CLR (Clear) - Active low clear input
  2. D (Data) - Data input
  3. CLK (Clock) - Clock input
  4. PR (Preset) - Active low preset input
  5. Q (Output) - Complementary output
  6. Q̅ (Output) - Non-complementary output
  7. GND (Ground) - Ground reference
  8. Q̅ (Output) - Non-complementary output
  9. Q (Output) - Complementary output
  10. VCC (Supply Voltage) - Positive supply voltage
  11. D (Data) - Data input
  12. CLK (Clock) - Clock input
  13. PR (Preset) - Active low preset input
  14. CLR (Clear) - Active low clear input

Functional Features

  • Positive-edge-triggered flip-flop
  • Dual D-type flip-flop with clear and preset inputs
  • Low-voltage operation suitable for battery-powered devices
  • High noise immunity and latch-up performance
  • Wide supply voltage range for compatibility with various systems

Advantages and Disadvantages

Advantages: - Low-voltage operation allows for energy-efficient designs - Dual flip-flop configuration provides flexibility in circuit design - High noise immunity ensures reliable operation in noisy environments - Compact SOIC package enables space-saving integration

Disadvantages: - Limited maximum operating frequency compared to some alternatives - Lack of additional advanced features found in more specialized flip-flops

Working Principles

The SN74LV74ADG4 is a positive-edge-triggered flip-flop, meaning it captures the input data on the rising edge of the clock signal. It consists of two D-type flip-flops with clear and preset inputs. The clear input asynchronously resets the flip-flop, while the preset input sets the flip-flop to a predefined state.

The flip-flop operates within a wide supply voltage range of 1.65V to 5.5V, making it suitable for various digital circuit applications. Its low-voltage operation allows for energy-efficient designs, particularly in battery-powered devices.

Detailed Application Field Plans

The SN74LV74ADG4 is commonly used in digital circuits where reliable storage of binary information is required. Some specific application fields include:

  1. Microcontrollers: Used as a building block for register-based operations.
  2. Communication Systems: Employed in data synchronization and buffering circuits.
  3. Consumer Electronics: Integrated into digital clocks, timers, and remote controls.
  4. Automotive Electronics: Utilized in vehicle control units and dashboard displays.
  5. Industrial Automation: Incorporated in programmable logic controllers (PLCs) and control systems.

Detailed and Complete Alternative Models

  1. SN74LV74A: Similar to SN74LV74ADG4 but available in a different package (TSSOP).
  2. CD4013B: Dual D-type flip-flop with similar functionality but operates at higher voltages.
  3. MC74HC74A: High-speed dual D-type flip-flop with complementary outputs.

These alternative models offer similar functionality and can be considered as replacements for the SN74LV74ADG4 based on specific requirements and design constraints.

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Énumérez 10 questions et réponses courantes liées à l'application de SN74LV74ADG4 dans les solutions techniques

Sure! Here are 10 common questions and answers related to the application of SN74LV74ADG4 in technical solutions:

  1. Q: What is SN74LV74ADG4? A: SN74LV74ADG4 is a dual positive-edge-triggered D-type flip-flop integrated circuit (IC) that can be used in various digital applications.

  2. Q: What is the operating voltage range for SN74LV74ADG4? A: The operating voltage range for SN74LV74ADG4 is typically between 2V and 5.5V.

  3. Q: What is the maximum clock frequency supported by SN74LV74ADG4? A: SN74LV74ADG4 can support clock frequencies up to 100 MHz.

  4. Q: How many flip-flops are there in SN74LV74ADG4? A: SN74LV74ADG4 contains two independent flip-flops, which can be used individually or together.

  5. Q: Can SN74LV74ADG4 be used in both synchronous and asynchronous applications? A: Yes, SN74LV74ADG4 can be used in both synchronous and asynchronous applications, depending on the design requirements.

  6. Q: What is the typical propagation delay of SN74LV74ADG4? A: The typical propagation delay of SN74LV74ADG4 is around 7 ns.

  7. Q: Does SN74LV74ADG4 have any built-in preset or clear functionality? A: No, SN74LV74ADG4 does not have any built-in preset or clear functionality.

  8. Q: Can SN74LV74ADG4 operate at high temperatures? A: Yes, SN74LV74ADG4 is designed to operate at a wide temperature range, typically from -40°C to 125°C.

  9. Q: What is the package type for SN74LV74ADG4? A: SN74LV74ADG4 is available in a standard SOIC-14 package.

  10. Q: What are some common applications of SN74LV74ADG4? A: SN74LV74ADG4 can be used in various applications such as data storage, frequency division, clock synchronization, and digital signal processing.

Please note that these answers are general and may vary depending on specific design considerations and requirements.