Texas Instruments
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SN74ABT244ADWR
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SN74ABT244ADWR

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Buffer/Line Driver
  • Characteristics: High-speed, low-power, non-inverting
  • Package: SOIC (Small Outline Integrated Circuit)
  • Essence: Logic level translation and signal buffering
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Supply Voltage Range: 4.5V to 5.5V
  • Input Voltage Range: 0V to VCC
  • Output Voltage Range: 0V to VCC
  • Operating Temperature Range: -40°C to +85°C
  • Propagation Delay Time: 3.8ns (typical)
  • Output Current: ±24mA

Detailed Pin Configuration

The SN74ABT244ADWR has a total of 20 pins, which are arranged as follows:

  1. Pin 1: Output 1 (Y1)
  2. Pin 2: Output 2 (Y2)
  3. Pin 3: Output 3 (Y3)
  4. Pin 4: Output 4 (Y4)
  5. Pin 5: GND (Ground)
  6. Pin 6: Input 1 (A1)
  7. Pin 7: Input 2 (A2)
  8. Pin 8: Input 3 (A3)
  9. Pin 9: Input 4 (A4)
  10. Pin 10: Enable (G)
  11. Pin 11: Output 5 (Y5)
  12. Pin 12: Output 6 (Y6)
  13. Pin 13: Output 7 (Y7)
  14. Pin 14: Output 8 (Y8)
  15. Pin 15: VCC (Supply Voltage)
  16. Pin 16: Output 9 (Y9)
  17. Pin 17: Output 10 (Y10)
  18. Pin 18: Output 11 (Y11)
  19. Pin 19: Output 12 (Y12)
  20. Pin 20: GND (Ground)

Functional Features

  • Non-inverting buffer/line driver
  • High-speed operation
  • Low power consumption
  • Wide supply voltage range
  • TTL-compatible inputs and outputs
  • 3-state outputs for bus-oriented applications
  • ESD protection on all inputs and outputs

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient signal transmission - Low power consumption helps in reducing overall energy usage - Wide supply voltage range provides flexibility in various applications - TTL compatibility ensures easy integration with other logic circuits - ESD protection safeguards the IC from electrostatic discharge damage

Disadvantages: - Limited output current may restrict use in certain high-current applications - Only supports non-inverting functionality, limiting its versatility in some cases

Working Principles

The SN74ABT244ADWR is a non-inverting buffer/line driver that operates by amplifying and buffering digital signals. It takes input signals from the A1 to A4 pins and provides amplified outputs on the Y1 to Y12 pins. The G pin serves as an enable control, allowing the user to activate or deactivate the outputs. The IC operates within a specified supply voltage range and converts TTL-compatible input signals into corresponding output levels.

Detailed Application Field Plans

The SN74ABT244ADWR finds applications in various fields, including:

  1. Microprocessor-based systems
  2. Data communication systems
  3. Industrial automation
  4. Automotive electronics
  5. Consumer electronics
  6. Test and measurement equipment
  7. Networking devices
  8. Robotics
  9. Medical devices
  10. Power management systems

Detailed and Complete Alternative Models

  1. SN74ABT244A: Similar functionality with different package options (PDIP, TSSOP)
  2. SN74LVC244A: Low-voltage version with similar functionality
  3. SN74HCT244: CMOS logic level translation with similar functionality
  4. SN74LVTH244A: Low-voltage TTL-compatible buffer/line driver with tri-state outputs

These alternative models offer similar features and can be considered as substitutes for the SN74ABT244ADWR in various applications.

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Перелічіть 10 типових запитань і відповідей, пов’язаних із застосуванням SN74ABT244ADWR у технічних рішеннях

Sure! Here are 10 common questions and answers related to the application of SN74ABT244ADWR:

  1. Q: What is SN74ABT244ADWR? A: SN74ABT244ADWR is a type of integrated circuit (IC) commonly used as a buffer or line driver in digital systems.

  2. Q: What is the purpose of using SN74ABT244ADWR in technical solutions? A: SN74ABT244ADWR is used to amplify and buffer digital signals, ensuring proper signal integrity and driving capability in various applications.

  3. Q: What voltage levels does SN74ABT244ADWR support? A: SN74ABT244ADWR supports a wide range of voltage levels, typically between 2V and 5.5V.

  4. Q: Can SN74ABT244ADWR be used for bidirectional data transfer? A: Yes, SN74ABT244ADWR has bidirectional data flow capabilities, making it suitable for applications requiring both input and output data transfer.

  5. Q: How many channels does SN74ABT244ADWR have? A: SN74ABT244ADWR has 8 channels, allowing it to handle multiple data lines simultaneously.

  6. Q: What is the maximum data rate supported by SN74ABT244ADWR? A: SN74ABT244ADWR can support high-speed data rates up to several hundred megahertz (MHz), depending on the specific application and operating conditions.

  7. Q: Does SN74ABT244ADWR have any built-in protection features? A: Yes, SN74ABT244ADWR includes built-in protection against electrostatic discharge (ESD) and other potential damage-causing events.

  8. Q: Can SN74ABT244ADWR be used in automotive applications? A: Yes, SN74ABT244ADWR is designed to meet automotive industry standards and can be used in automotive applications.

  9. Q: What is the operating temperature range of SN74ABT244ADWR? A: SN74ABT244ADWR typically operates within a temperature range of -40°C to 85°C, making it suitable for various environments.

  10. Q: Are there any specific layout considerations when using SN74ABT244ADWR? A: Yes, it is recommended to follow the manufacturer's guidelines for proper PCB layout, including minimizing trace lengths and providing adequate decoupling capacitors for stable operation.

Please note that these answers are general and may vary depending on the specific application and requirements. It is always advisable to refer to the datasheet and consult with the manufacturer for detailed information.