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SN74LVCH244ARGYRG4

SN74LVCH244ARGYRG4

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Buffer/Line Driver
  • Characteristics: Low-Voltage, High-Speed, Octal Bus Buffer with 3-State Outputs
  • Package: VQFN-20
  • Essence: This IC is designed to provide buffering and line driving capabilities for digital signals in low-voltage applications.
  • Packaging/Quantity: Available in reels of 2500 units.

Specifications

  • Supply Voltage Range: 1.65V to 3.6V
  • Input Voltage Range: 0V to VCC
  • Output Voltage Range: 0V to VCC
  • Maximum Operating Frequency: 200MHz
  • Number of Channels: 8
  • Output Drive Capability: ±24mA
  • Propagation Delay: 2.5ns (Max)
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SN74LVCH244ARGYRG4 has a total of 20 pins, which are assigned 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. VCC - Power Supply
  10. OE - Output Enable
  11. A4 - Input/Output
  12. Y5 - Output
  13. A5 - Input/Output
  14. Y6 - Output
  15. GND - Ground
  16. Y7 - Output
  17. A6 - Input/Output
  18. Y8 - Output
  19. VCC - Power Supply
  20. GND - Ground

Functional Features

  • Low-voltage operation allows compatibility with a wide range of digital systems.
  • High-speed performance enables efficient signal buffering and line driving.
  • 3-state outputs provide flexibility in controlling the output state.
  • Octal bus buffer design allows for easy interfacing with multiple devices.

Advantages and Disadvantages

Advantages: - Wide supply voltage range enables compatibility with various systems. - High-speed operation ensures efficient signal transmission. - 3-state outputs allow for flexible control of the output state. - Octal bus buffer design simplifies system integration.

Disadvantages: - Limited number of channels (8) may not be sufficient for certain applications requiring more inputs/outputs. - Propagation delay of 2.5ns (Max) may introduce timing issues in high-frequency applications.

Working Principles

The SN74LVCH244ARGYRG4 operates by receiving digital input signals on its input pins (A1-A6) and providing buffered output signals on its corresponding output pins (Y1-Y8). The output enable pin (OE) controls the state of the outputs, allowing them to be either active or in a high-impedance state.

When the OE pin is low, the outputs are enabled and actively driven according to the input signals. Conversely, when the OE pin is high, the outputs enter a high-impedance state, effectively disconnecting them from the rest of the circuit.

Detailed Application Field Plans

The SN74LVCH244ARGYRG4 can be used in various applications, including but not limited to:

  1. Microprocessor/Controller Interfacing: The IC can be employed to interface microprocessors or controllers with other peripheral devices, ensuring proper signal buffering and line driving.

  2. Data Communication Systems: It can be utilized in data communication systems to enhance signal integrity and reduce noise interference during data transmission.

  3. Memory Modules: The IC can be integrated into memory modules to facilitate data transfer between the memory and other components of a system.

  4. Industrial Automation: It finds applications in industrial automation systems where reliable signal buffering and line driving are crucial for efficient operation.

Detailed and Complete Alternative Models

  1. SN74LVCH244A: Similar to SN74LVCH244ARGYRG4, but available in different package options.
  2. SN74LVC244A: Low-voltage octal buffer with 3-state outputs, suitable for similar applications.
  3. SN74LVTH244A: Low-voltage octal buffer/line driver with 3-state outputs, designed for high-speed applications.

These alternative models offer similar functionality and characteristics, providing flexibility in choosing the most suitable option for specific requirements.

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Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi SN74LVCH244ARGYRG4 dalam penyelesaian teknikal

  1. What is the operating voltage range of SN74LVCH244ARGYRG4?
    - The operating voltage range of SN74LVCH244ARGYRG4 is 1.65V to 3.6V.

  2. What is the maximum input current of SN74LVCH244ARGYRG4?
    - The maximum input current of SN74LVCH244ARGYRG4 is ±50mA.

  3. Can SN74LVCH244ARGYRG4 be used for level shifting applications?
    - Yes, SN74LVCH244ARGYRG4 can be used for level shifting applications due to its wide operating voltage range.

  4. What is the typical propagation delay of SN74LVCH244ARGYRG4?
    - The typical propagation delay of SN74LVCH244ARGYRG4 is 3.5ns.

  5. Is SN74LVCH244ARGYRG4 suitable for use in automotive applications?
    - Yes, SN74LVCH244ARGYRG4 is suitable for use in automotive applications as it is AEC-Q100 qualified.

  6. Can SN74LVCH244ARGYRG4 be used in bidirectional data transfer applications?
    - Yes, SN74LVCH244ARGYRG4 can be used in bidirectional data transfer applications as it has non-inverting outputs.

  7. What is the maximum operating frequency of SN74LVCH244ARGYRG4?
    - The maximum operating frequency of SN74LVCH244ARGYRG4 is 80MHz.

  8. Does SN74LVCH244ARGYRG4 have overvoltage-tolerant inputs?
    - Yes, SN74LVCH244ARGYRG4 has overvoltage-tolerant inputs up to 5.5V.

  9. Can SN74LVCH244ARGYRG4 be used in battery-powered applications?
    - Yes, SN74LVCH244ARGYRG4 can be used in battery-powered applications due to its low power consumption.

  10. Is SN74LVCH244ARGYRG4 available in a small form factor package?
    - Yes, SN74LVCH244ARGYRG4 is available in a small 20-pin VQFN package for space-constrained applications.