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74LVQ244SJX

74LVQ244SJX

Product Overview

Category

The 74LVQ244SJX belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used as a buffer or line driver in various electronic devices and systems.

Characteristics

  • Low-voltage operation: The 74LVQ244SJX operates at low voltage levels, typically between 1.65V and 3.6V.
  • High-speed performance: It offers fast signal propagation and switching times, making it suitable for high-frequency applications.
  • Output current drive capability: The IC can provide sufficient current to drive capacitive loads and long transmission lines.
  • Schmitt trigger inputs: The device incorporates Schmitt trigger inputs, allowing it to tolerate noisy input signals.
  • ESD protection: It features built-in electrostatic discharge (ESD) protection, enhancing its robustness against static electricity.

Package

The 74LVQ244SJX is available in a small outline package (SOP), which provides compactness and ease of integration into circuit boards.

Essence

The essence of the 74LVQ244SJX lies in its ability to buffer and amplify digital signals while operating at low voltages.

Packaging/Quantity

This IC is typically packaged in reels or tubes, with a quantity of 250 or 3000 units per reel/tube, respectively.

Specifications

  • Supply Voltage Range: 1.65V to 3.6V
  • Input Voltage Range: 0V to VCC
  • Output Voltage Range: 0V to VCC
  • Operating Temperature Range: -40°C to +85°C
  • Input Capacitance: 3.5pF (typical)
  • Output Capacitance: 4.5pF (typical)
  • Propagation Delay Time: 2.5ns (typical)
  • Output Current: ±24mA

Detailed Pin Configuration

The 74LVQ244SJX has a total of 20 pins, which are assigned specific functions as follows:

  1. A1 - Input/Output
  2. Y1 - Output
  3. A2 - Input/Output
  4. Y2 - Output
  5. GND - Ground
  6. Y3 - Output
  7. A3 - Input/Output
  8. Y4 - Output
  9. A4 - Input/Output
  10. VCC - Power Supply
  11. OE - Output Enable
  12. Y5 - Output
  13. A5 - Input/Output
  14. Y6 - Output
  15. A6 - Input/Output
  16. Y7 - Output
  17. A7 - Input/Output
  18. Y8 - Output
  19. GND - Ground
  20. A8 - Input/Output

Functional Features

  • Buffering: The 74LVQ244SJX can amplify and buffer digital signals, ensuring their integrity and driving capability.
  • Signal level conversion: It can convert logic levels between different voltage domains, facilitating compatibility between various components.
  • Noise tolerance: The Schmitt trigger inputs allow the IC to tolerate noisy input signals, improving overall system reliability.
  • High-speed operation: With fast propagation and switching times, this IC is suitable for applications requiring high-frequency signal processing.

Advantages and Disadvantages

Advantages

  • Low-voltage operation enables compatibility with modern low-power systems.
  • High-speed performance allows for efficient signal processing in time-critical applications.
  • ESD protection enhances the IC's durability against static electricity.
  • Compact SOP package facilitates integration into space-constrained designs.

Disadvantages

  • Limited output current may restrict its use in certain high-current applications.
  • Restricted operating temperature range (-40°C to +85°C) may not be suitable for extreme environments.

Working Principles

The 74LVQ244SJX operates based on the principles of digital logic. It receives input signals, buffers and amplifies them, and provides corresponding output signals. The IC utilizes CMOS technology, allowing it to operate at low voltages while maintaining high-speed performance. The Schmitt trigger inputs ensure reliable signal detection even in the presence of noise.

Detailed Application Field Plans

The 74LVQ244SJX finds applications in various electronic systems, including but not limited to: - Microcontrollers and microprocessors - Communication devices (routers, switches) - Data storage systems - Industrial automation equipment - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the 74LVQ244SJX include: - SN74LVC244A: Low-voltage octal buffer/line driver - MC74VHC244: High-speed CMOS octal buffer/line driver - CD74HCT244: High-speed CMOS octal buffer/line driver with TTL

技術ソリューションにおける 74LVQ244SJX の適用に関連する 10 件の一般的な質問と回答をリストします。

Sure! Here are 10 common questions and answers related to the application of 74LVQ244SJX in technical solutions:

  1. Question: What is the 74LVQ244SJX?
    - Answer: The 74LVQ244SJX is a octal buffer/line driver with 3-state outputs, commonly used in digital logic applications.

  2. Question: What is the voltage supply range for the 74LVQ244SJX?
    - Answer: The voltage supply range for this IC is typically between 2.7V and 3.6V.

  3. Question: How many inputs and outputs does the 74LVQ244SJX have?
    - Answer: This IC has 8 inputs and 8 outputs.

  4. Question: What is the maximum output current that the 74LVQ244SJX can drive?
    - Answer: The maximum output current is typically around 24mA.

  5. Question: Can the 74LVQ244SJX be used as a level shifter?
    - Answer: Yes, it can be used as a level shifter to convert signals between different voltage levels.

  6. Question: Is the 74LVQ244SJX compatible with TTL logic levels?
    - Answer: Yes, it is compatible with both TTL and CMOS logic levels.

  7. Question: What is the propagation delay of the 74LVQ244SJX?
    - Answer: The typical propagation delay is around 5 ns.

  8. Question: Can the 74LVQ244SJX be used in high-speed applications?
    - Answer: Yes, it is suitable for high-speed applications due to its low propagation delay and fast switching characteristics.

  9. Question: Does the 74LVQ244SJX have built-in protection features?
    - Answer: Yes, it has built-in protection against electrostatic discharge (ESD) and excessive power dissipation.

  10. Question: Can the 74LVQ244SJX be used in bidirectional data transfer applications?
    - Answer: No, the 74LVQ244SJX is a unidirectional buffer and cannot be used for bidirectional data transfer.