Зображення може бути репрезентативним.
Деталі продукту див. у специфікаціях.
SN74AHC74DBR

SN74AHC74DBR

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Flip-Flop
  • Characteristics: High-speed, low-power, dual D-type positive-edge-triggered flip-flop
  • Package: SOIC (Small Outline Integrated Circuit)
  • Essence: This IC is designed to store and transfer data in digital systems.
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Supply Voltage Range: 2 V to 5.5 V
  • High-Level Input Voltage: 2 V to VCC + 0.5 V
  • Low-Level Input Voltage: -0.5 V to 0.8 V
  • High-Level Output Current: -6 mA
  • Low-Level Output Current: 6 mA
  • Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The SN74AHC74DBR has a total of 14 pins:

  1. CLR (Clear) - Active LOW clear input
  2. D (Data) - Data input
  3. CP (Clock Pulse) - Clock pulse input
  4. Q (Output) - Complementary output
  5. Q̅ (Output) - Non-complementary output
  6. GND (Ground) - Ground reference
  7. Q̅ (Output) - Non-complementary output
  8. Q (Output) - Complementary output
  9. VCC (Positive Power Supply) - Positive power supply voltage
  10. D (Data) - Data input
  11. CP (Clock Pulse) - Clock pulse input
  12. CLR (Clear) - Active LOW clear input
  13. GND (Ground) - Ground reference
  14. VCC (Positive Power Supply) - Positive power supply voltage

Functional Features

  • Dual D-type positive-edge-triggered flip-flop
  • High-speed operation with low power consumption
  • Clear input for synchronous reset of both flip-flops
  • Complementary outputs for each flip-flop

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient data transfer - Low-power consumption helps in reducing energy usage - Synchronous reset capability provides control over the flip-flop state

Disadvantages: - Limited voltage supply range (2 V to 5.5 V) - Operating temperature range may not be suitable for extreme environments

Working Principles

The SN74AHC74DBR is a dual D-type positive-edge-triggered flip-flop. It stores and transfers data based on the clock pulse input. The clear input allows for synchronous reset of both flip-flops, ensuring controlled initialization. The complementary outputs provide the inverted and non-inverted versions of the stored data.

Detailed Application Field Plans

The SN74AHC74DBR can be used in various digital systems where data storage and transfer are required. Some potential application fields include:

  1. Microcontrollers: Used for storing and transferring data between different components of a microcontroller.
  2. Communication Systems: Facilitates data transmission and reception in communication systems.
  3. Data Processing Units: Enables data manipulation and processing in computing devices.
  4. Industrial Automation: Utilized in control systems for storing and transferring sensor data.
  5. Consumer Electronics: Integrated into electronic devices for data storage and synchronization.

Detailed and Complete Alternative Models

  1. SN74AHC74DR - Similar specifications but available in a different package (SOIC-14).
  2. SN74LVC74ADB - Low-voltage version with similar functionality and pin configuration.
  3. MC74HC74AN - Equivalent flip-flop IC from a different manufacturer (Motorola).

(Note: This list is not exhaustive and there may be other alternative models available in the market.)

In conclusion, the SN74AHC74DBR is a high-speed, low-power dual D-type positive-edge-triggered flip-flop IC. It offers efficient data storage and transfer capabilities in various digital systems. Its advantages include high-speed operation, low power consumption, and synchronous reset capability. However, it has limitations in terms of voltage supply range and operating temperature. Alternative models such as SN74AHC74DR, SN74LVC74ADB, and MC74HC74AN provide similar functionality and can be considered as alternatives to SN74AHC74DBR.

Перелічіть 10 типових запитань і відповідей, пов’язаних із застосуванням SN74AHC74DBR у технічних рішеннях

Sure! Here are 10 common questions and answers related to the application of SN74AHC74DBR in technical solutions:

  1. Q: What is SN74AHC74DBR? A: SN74AHC74DBR 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 SN74AHC74DBR? A: The operating voltage range for SN74AHC74DBR is typically between 2V and 5.5V.

  3. Q: What is the maximum clock frequency supported by SN74AHC74DBR? A: SN74AHC74DBR can support clock frequencies up to 100 MHz.

  4. Q: How many flip-flops are there in SN74AHC74DBR? A: SN74AHC74DBR contains two independent flip-flops, allowing it to store two bits of data.

  5. Q: Can SN74AHC74DBR be used in both synchronous and asynchronous applications? A: Yes, SN74AHC74DBR can be used in both synchronous and asynchronous applications.

  6. Q: What is the setup time requirement for the data input signal? A: The setup time requirement for the data input signal is typically 2 ns.

  7. Q: Does SN74AHC74DBR have any output enable feature? A: No, SN74AHC74DBR does not have an output enable feature. The outputs are always active.

  8. Q: What is the typical propagation delay of SN74AHC74DBR? A: The typical propagation delay of SN74AHC74DBR is around 9 ns.

  9. Q: Can SN74AHC74DBR be used in high-speed applications? A: Yes, SN74AHC74DBR is designed for high-speed operation and can be used in various high-speed applications.

  10. Q: What is the package type of SN74AHC74DBR? A: SN74AHC74DBR is available in a small-outline integrated circuit (SOIC) package with 14 pins.

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