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74LVC2244APW,112

74LVC2244APW,112

Basic Information Overview

  • Category: Integrated Circuit (IC)
  • Use: Buffer/Line Driver
  • Characteristics: Low Voltage CMOS Octal Buffer/Line Driver with 3-State Outputs
  • Package: TSSOP (Thin Shrink Small Outline Package)
  • Essence: This IC is designed to provide buffering and line driving capabilities for digital signals in low voltage applications.
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Supply Voltage Range: 1.2V to 3.6V
  • High-Level Input Voltage: 0.7 x VCC
  • Low-Level Input Voltage: 0.3 x VCC
  • High-Level Output Voltage: 0.9 x VCC
  • Low-Level Output Voltage: 0.1 x VCC
  • Maximum Operating Frequency: 80 MHz
  • Number of Channels: 8
  • Output Type: 3-State

Detailed Pin Configuration

The 74LVC2244APW,112 IC has a total of 20 pins. The pin configuration is as follows:

Pin 1: GND Pin 2: A1 Pin 3: Y1 Pin 4: A2 Pin 5: Y2 Pin 6: A3 Pin 7: Y3 Pin 8: A4 Pin 9: Y4 Pin 10: OE# Pin 11: Y5 Pin 12: A5 Pin 13: Y6 Pin 14: A6 Pin 15: Y7 Pin 16: A7 Pin 17: Y8 Pin 18: VCC Pin 19: NC Pin 20: GND

Functional Features

  • Octal buffer/line driver with 3-state outputs
  • Provides non-inverting buffers for each input line
  • Allows bidirectional communication between different voltage systems
  • Supports mixed-mode signal operation
  • Features overvoltage-tolerant inputs and outputs
  • Offers low power consumption

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows compatibility with various systems - High-speed operation up to 80 MHz - 3-state outputs enable easy bus sharing - Overvoltage-tolerant inputs and outputs enhance robustness - Low power consumption helps in energy-efficient designs

Disadvantages: - Limited number of channels (8) - May not be suitable for high-voltage applications

Working Principles

The 74LVC2244APW,112 IC operates by receiving digital signals at its input pins (A1-A7) and providing buffered output signals at the corresponding Y pins. The OE# pin is used to enable or disable the outputs. When the OE# pin is low, the outputs are active and reflect the input signals. When the OE# pin is high, the outputs are in a high-impedance state.

The IC is designed to work with a supply voltage ranging from 1.2V to 3.6V, making it suitable for low voltage applications. It features overvoltage-tolerant inputs and outputs, allowing it to handle voltages higher than the supply voltage without damage.

Detailed Application Field Plans

The 74LVC2244APW,112 IC finds applications in various fields, including: 1. Microcontroller-based systems 2. Data communication interfaces 3. Industrial automation 4. Automotive electronics 5. Consumer electronics 6. Medical devices

In microcontroller-based systems, this IC can be used to interface between different voltage levels, ensuring proper signal transmission. In data communication interfaces, it helps in buffering and driving signals between different components. In industrial automation and automotive electronics, it aids in signal conditioning and level shifting. In consumer electronics and medical devices, it assists in voltage translation and signal amplification.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the 74LVC2244APW,112 IC are: 1. SN74LVC244A: Octal Buffer/Line Driver with 3-State Outputs 2. MC74VHC244: Octal Buffer/Line Driver with 3-State Outputs 3. CD74HCT244: High-Speed CMOS Logic Octal Buffer/Line Driver

These alternative models can be considered based on specific requirements such as supply voltage range, operating frequency, and package type.

قم بإدراج 10 أسئلة وإجابات شائعة تتعلق بتطبيق 74LVC2244APW,112 في الحلول التقنية

Sure! Here are 10 common questions and answers related to the application of 74LVC2244APW,112 in technical solutions:

  1. Q: What is the function of the 74LVC2244APW,112? A: The 74LVC2244APW,112 is an octal buffer/line driver with 3-state outputs. It is used for signal buffering and driving in digital circuits.

  2. Q: What is the voltage range supported by the 74LVC2244APW,112? A: The 74LVC2244APW,112 supports a wide voltage range from 1.65V to 5.5V.

  3. Q: How many input/output pins does the 74LVC2244APW,112 have? A: The 74LVC2244APW,112 has 8 input pins and 8 output pins, making it an octal buffer.

  4. Q: Can the 74LVC2244APW,112 handle high-speed signals? A: Yes, the 74LVC2244APW,112 is designed to support high-speed operation, making it suitable for applications requiring fast signal propagation.

  5. Q: Does the 74LVC2244APW,112 have internal pull-up or pull-down resistors? A: No, the 74LVC2244APW,112 does not have internal pull-up or pull-down resistors. External resistors may be required if pull-up/pull-down functionality is needed.

  6. Q: What is the maximum current that can be sourced/sunk by the outputs of the 74LVC2244APW,112? A: The 74LVC2244APW,112 can source/sink up to 24mA of current per output pin.

  7. Q: Can the 74LVC2244APW,112 be used in bidirectional communication? A: No, the 74LVC2244APW,112 is a unidirectional buffer and does not support bidirectional communication. For bidirectional applications, a different IC or additional circuitry may be required.

  8. Q: Is the 74LVC2244APW,112 tolerant to overvoltage on its inputs? A: Yes, the 74LVC2244APW,112 has input voltage tolerance up to 5.5V, making it resistant to overvoltage conditions.

  9. Q: Can the 74LVC2244APW,112 be cascaded to drive more than 8 outputs? A: Yes, multiple 74LVC2244APW,112 ICs can be cascaded together to drive more than 8 outputs by connecting the outputs of one IC to the inputs of another.

  10. Q: What is the power supply voltage range for the 74LVC2244APW,112? A: The 74LVC2244APW,112 operates with a power supply voltage range from 1.65V to 5.5V, allowing flexibility in various applications.

Please note that these answers are general and may vary depending on the specific requirements and datasheet of the 74LVC2244APW,112.