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74LVTH2244SJ
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74LVTH2244SJ

Basic Information Overview

  • Category: Integrated Circuit (IC)
  • Use: Buffer/Line Driver
  • Characteristics: High-speed, Low-voltage, Tri-state
  • Package: SOIC (Small Outline Integrated Circuit)
  • Essence: Logic Level Translator
  • Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

  • Supply Voltage Range: 2.7V to 3.6V
  • Input Voltage Range: 0V to VCC
  • Output Voltage Range: 0V to VCC
  • High-level Input Voltage: 2.0V (min), 3.15V (max)
  • Low-level Input Voltage: 0.8V (min), 1.35V (max)
  • High-level Output Voltage: 2.4V (min), VCC (max)
  • Low-level Output Voltage: 0V (min), 0.4V (max)
  • Maximum Operating Frequency: 200MHz

Detailed Pin Configuration

The 74LVTH2244SJ has a total of 20 pins, which are assigned as follows:

  • Pin 1: Output Y1
  • Pin 2: Output Y2
  • Pin 3: GND (Ground)
  • Pin 4: Input A1
  • Pin 5: Input A2
  • Pin 6: Output Y3
  • Pin 7: Output Y4
  • Pin 8: VCC (Supply Voltage)
  • Pin 9: Output Y5
  • Pin 10: Output Y6
  • Pin 11: GND (Ground)
  • Pin 12: Input A3
  • Pin 13: Input A4
  • Pin 14: Output Y7
  • Pin 15: Output Y8
  • Pin 16: OE (Output Enable)
  • Pin 17: GND (Ground)
  • Pin 18: Input A5
  • Pin 19: Input A6
  • Pin 20: VCC (Supply Voltage)

Functional Features

The 74LVTH2244SJ is a high-speed buffer and line driver IC. It is designed to provide voltage level translation between different logic families. The tri-state outputs allow multiple devices to be connected together without causing bus contention issues. This IC operates at low voltage levels, making it suitable for use in battery-powered applications.

Advantages and Disadvantages

Advantages: - High-speed operation - Low-voltage operation - Tri-state outputs for bus sharing - Wide supply voltage range - Small package size

Disadvantages: - Limited maximum operating frequency compared to some other ICs - Not suitable for high-power applications

Working Principles

The 74LVTH2244SJ works by receiving input signals on the A1-A6 pins and providing corresponding output signals on the Y1-Y8 pins. The OE pin controls the output enable function, allowing the outputs to be enabled or disabled as needed. When the OE pin is low, the outputs are active, and when it is high, the outputs are in a high-impedance state.

Detailed Application Field Plans

The 74LVTH2244SJ is commonly used in various digital systems where voltage level translation is required. Some typical application fields include:

  1. Microcontroller interfacing with different logic families
  2. Communication systems involving multiple devices with different voltage requirements
  3. Battery-powered portable devices requiring low-voltage operation
  4. Data buses in computer systems and peripherals

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to the 74LVTH2244SJ are:

  1. SN74LVC244A: Low-Voltage Octal Buffer/Line Driver
  2. MC74LVX244: Low-Voltage CMOS Octal Buffer/Line Driver
  3. 74HCT244: High-Speed CMOS Octal Buffer/Line Driver

These alternative models offer similar functionality and characteristics, but may have different specifications and pin configurations. It is important to carefully review the datasheets of these alternatives to ensure compatibility with specific application requirements.

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Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi 74LVTH2244SJ dalam penyelesaian teknikal

Sure! Here are 10 common questions and answers related to the application of 74LVTH2244SJ in technical solutions:

  1. Q: What is the 74LVTH2244SJ? A: The 74LVTH2244SJ is a 32-bit buffer/line driver with 3-state outputs, commonly used in digital logic circuits.

  2. Q: What is the voltage supply range for the 74LVTH2244SJ? A: The voltage supply range for the 74LVTH2244SJ is typically between 2.7V and 3.6V.

  3. Q: What is the maximum operating frequency of the 74LVTH2244SJ? A: The maximum operating frequency of the 74LVTH2244SJ is typically around 200MHz.

  4. Q: Can the 74LVTH2244SJ be used as a level shifter? A: Yes, the 74LVTH2244SJ can be used as a level shifter to convert signals between different voltage levels.

  5. Q: How many inputs and outputs does the 74LVTH2244SJ have? A: The 74LVTH2244SJ has 8 inputs and 8 outputs.

  6. Q: What is the purpose of the 3-state outputs in the 74LVTH2244SJ? A: The 3-state outputs allow multiple devices to share a common bus without interfering with each other.

  7. Q: Can the 74LVTH2244SJ be used in bidirectional data transfer applications? A: Yes, the 74LVTH2244SJ can be used for bidirectional data transfer by enabling the direction control pin.

  8. Q: What is the typical propagation delay of the 74LVTH2244SJ? A: The typical propagation delay of the 74LVTH2244SJ is around 3.5ns.

  9. Q: Is the 74LVTH2244SJ compatible with TTL logic levels? A: Yes, the 74LVTH2244SJ is compatible with both TTL and CMOS logic levels.

  10. Q: Can the 74LVTH2244SJ be used in high-speed data communication applications? A: Yes, the 74LVTH2244SJ can be used in high-speed data communication applications due to its fast switching speed and low power consumption.

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