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74ACT11244NT

Encyclopedia Entry: 74ACT11244NT

Basic Information Overview

  • Category: Integrated Circuit (IC)
  • Use: Buffer/Driver
  • Characteristics: High-speed, low-power, non-inverting, 3-state output
  • Package: 48-pin plastic TSSOP (Thin Shrink Small Outline Package)
  • Essence: The 74ACT11244NT is a high-performance buffer/driver IC designed for use in various digital applications.
  • Packaging/Quantity: Available in reels of 2500 units.

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
  • Maximum Propagation Delay: 6 ns
  • Maximum Output Current: ±24 mA

Detailed Pin Configuration

The 74ACT11244NT features a 48-pin package with the following pin configuration:

  1. A1
  2. Y1
  3. B1
  4. GND
  5. A2
  6. Y2
  7. B2
  8. VCC
  9. A3
  10. Y3
  11. B3
  12. GND
  13. A4
  14. Y4
  15. B4
  16. OE#
  17. A5
  18. Y5
  19. B5
  20. GND
  21. A6
  22. Y6
  23. B6
  24. VCC
  25. A7
  26. Y7
  27. B7
  28. GND
  29. A8
  30. Y8
  31. B8
  32. OE#
  33. A9
  34. Y9
  35. B9
  36. GND
  37. A10
  38. Y10
  39. B10
  40. VCC
  41. A11
  42. Y11
  43. B11
  44. GND
  45. A12
  46. Y12
  47. B12
  48. OE#

Functional Features

  • Non-inverting buffer/driver with 3-state outputs.
  • High-speed operation, making it suitable for applications requiring fast signal propagation.
  • Low-power consumption, ensuring efficient use of energy.
  • 3-state outputs allow multiple devices to share a common bus without interference.

Advantages and Disadvantages

Advantages: - High-speed operation enables quick data transmission. - Low-power consumption reduces energy usage. - 3-state outputs facilitate bus sharing in complex systems.

Disadvantages: - Limited output current may restrict its use in certain high-current applications. - Requires careful handling due to its small package size.

Working Principles

The 74ACT11244NT is designed to amplify and buffer digital signals. It operates by receiving input signals on the A inputs, which are then amplified and transmitted to the corresponding Y outputs. The OE# (Output Enable) pins control the output state, allowing the device to be enabled or disabled as needed. When disabled, the outputs enter a high-impedance state, enabling multiple devices to share a common bus without interference.

Detailed Application Field Plans

The 74ACT11244NT can be used in various digital applications, including but not limited to:

  1. Data communication systems
  2. Memory modules
  3. Microprocessor-based systems
  4. Industrial automation
  5. Automotive electronics
  6. Consumer electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the 74ACT11244NT include:

  1. 74ACT244: Octal buffer/line driver with 3-state outputs.
  2. 74ACT541: Octal buffer/line driver with 3-state outputs and inverting functionality.
  3. 74ACT125: Quad buffer/line driver with 3-state outputs.

These alternative models can be considered based on specific application requirements and design constraints.


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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací 74ACT11244NT v technických řešeních

Sure! Here are 10 common questions and answers related to the application of 74ACT11244NT in technical solutions:

  1. Q: What is the 74ACT11244NT? A: The 74ACT11244NT is a specific type of integrated circuit (IC) that functions as a non-inverting octal buffer/line driver with 3-state outputs.

  2. Q: What is the purpose of using the 74ACT11244NT in technical solutions? A: The 74ACT11244NT is commonly used to amplify and buffer digital signals, ensuring proper signal integrity and driving capability in various electronic applications.

  3. Q: What voltage levels does the 74ACT11244NT support? A: The 74ACT11244NT supports a wide range of voltage levels, typically operating at 5V, making it compatible with many standard logic families.

  4. Q: How many channels or buffers are there in the 74ACT11244NT? A: The 74ACT11244NT has eight independent channels or buffers, allowing it to handle multiple input/output signals simultaneously.

  5. Q: Can the 74ACT11244NT be used for bidirectional communication? A: No, the 74ACT11244NT is a unidirectional buffer and cannot be used for bidirectional communication. For bidirectional functionality, additional components like multiplexers or transceivers may be required.

  6. Q: What is the maximum output current that the 74ACT11244NT can drive? A: The 74ACT11244NT can typically drive up to 24mA of output current per channel, making it suitable for driving various loads.

  7. Q: Is the 74ACT11244NT compatible with TTL logic levels? A: Yes, the 74ACT11244NT is compatible with TTL logic levels, allowing it to interface with other TTL-compatible devices.

  8. Q: Can the 74ACT11244NT tolerate overvoltage conditions? A: The 74ACT11244NT has built-in protection features that allow it to tolerate limited overvoltage conditions, but it is still recommended to operate within the specified voltage range for reliable operation.

  9. Q: What is the power supply voltage range for the 74ACT11244NT? A: The 74ACT11244NT typically operates with a power supply voltage range of 4.5V to 5.5V, ensuring compatibility with standard 5V systems.

  10. Q: Are there any specific precautions to consider when using the 74ACT11244NT? A: It is important to follow the manufacturer's datasheet and guidelines for proper usage, including considerations for decoupling capacitors, signal integrity, and thermal management to ensure optimal performance and reliability.