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M74HCT244TTR

M74HCT244TTR

Product Overview

Category

M74HCT244TTR belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used for signal amplification and buffering in digital electronic circuits.

Characteristics

  • High-speed operation
  • Compatibility with TTL (Transistor-Transistor Logic) inputs
  • Low power consumption
  • Wide operating voltage range
  • Robustness against noise and interference

Package

M74HCT244TTR is available in a small outline package (SOT-163) which ensures easy integration into circuit boards.

Essence

The essence of M74HCT244TTR lies in its ability to provide reliable and efficient signal amplification, making it an essential component in various digital electronic devices.

Packaging/Quantity

This IC is typically packaged in reels, containing a quantity of 2500 units per reel.

Specifications

  • Supply Voltage: 4.5V to 5.5V
  • Input Voltage: 0V to VCC
  • Output Voltage: 0V to VCC
  • Operating Temperature Range: -40°C to +125°C
  • Input Capacitance: 3.5pF
  • Output Capacitance: 6pF
  • Propagation Delay Time: 9ns (max)
  • Output Current: ±6mA

Detailed Pin Configuration

The M74HCT244TTR IC consists of 20 pins, each serving a specific function. The pin configuration is as follows:

  1. GND (Ground)
  2. A1 (Input/Output)
  3. B1 (Input/Output)
  4. A2 (Input/Output)
  5. B2 (Input/Output)
  6. A3 (Input/Output)
  7. B3 (Input/Output)
  8. A4 (Input/Output)
  9. B4 (Input/Output)
  10. OE (Output Enable)
  11. GND (Ground)
  12. Y4 (Output)
  13. Y3 (Output)
  14. Y2 (Output)
  15. Y1 (Output)
  16. VCC (Supply Voltage)
  17. B4 (Input/Output)
  18. A4 (Input/Output)
  19. B3 (Input/Output)
  20. A3 (Input/Output)

Functional Features

  • Bidirectional signal transmission
  • Output enable/disable control
  • TTL compatibility for seamless integration with existing circuits
  • High-speed operation for efficient data transfer
  • Low power consumption for energy-efficient designs

Advantages and Disadvantages

Advantages

  • High-speed operation allows for quick data processing.
  • Compatibility with TTL inputs simplifies integration into existing systems.
  • Low power consumption contributes to energy efficiency.
  • Robustness against noise ensures reliable signal amplification.

Disadvantages

  • Limited output current may restrict usage in certain applications requiring higher current levels.
  • The small outline package may pose challenges during manual soldering or rework.

Working Principles

The M74HCT244TTR operates based on the principles of digital logic. It receives input signals, amplifies them, and transmits the amplified signals to the output pins. The output enable pin (OE) controls the activation of the output stage, allowing for bidirectional signal transmission.

Detailed Application Field Plans

The M74HCT244TTR finds extensive application in various digital electronic systems, including but not limited to: - Microcontrollers - Data communication devices - Computer peripherals - Industrial automation equipment - Consumer electronics

Detailed and Complete Alternative Models

  • SN74HCT244N by Texas Instruments
  • 74HCT244 by NXP Semiconductors
  • CD74HCT244E by Texas Instruments
  • MC74HCT244AN by ON Semiconductor

These alternative models offer similar functionality and can be used as substitutes for the M74HCT244TTR in various applications.

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Liệt kê 10 câu hỏi và câu trả lời thường gặp liên quan đến ứng dụng M74HCT244TTR trong giải pháp kỹ thuật

Sure! Here are 10 common questions and answers related to the application of M74HCT244TTR in technical solutions:

  1. Q: What is the M74HCT244TTR? A: The M74HCT244TTR is a high-speed octal buffer/line driver with 3-state outputs, commonly used in digital logic circuits.

  2. Q: What is the maximum operating voltage for the M74HCT244TTR? A: The maximum operating voltage for the M74HCT244TTR is 5.5V.

  3. Q: How many inputs and outputs does the M74HCT244TTR have? A: The M74HCT244TTR has 8 inputs and 8 outputs.

  4. Q: Can the M74HCT244TTR be used as a level shifter? A: Yes, the M74HCT244TTR can be used as a level shifter to convert signals between different voltage levels.

  5. Q: What is the typical propagation delay of the M74HCT244TTR? A: The typical propagation delay of the M74HCT244TTR is around 11 ns.

  6. Q: Is the M74HCT244TTR compatible with TTL logic levels? A: Yes, the M74HCT244TTR is compatible with TTL logic levels, making it suitable for interfacing with TTL devices.

  7. Q: Can the M74HCT244TTR drive capacitive loads? A: Yes, the M74HCT244TTR can drive capacitive loads up to a certain limit specified in the datasheet.

  8. Q: Does the M74HCT244TTR have built-in protection features? A: Yes, the M74HCT244TTR has built-in protection against electrostatic discharge (ESD) and excessive power dissipation.

  9. Q: Can I use the M74HCT244TTR in high-speed applications? A: Yes, the M74HCT244TTR is designed for high-speed operation and can be used in applications with fast switching requirements.

  10. Q: Are there any recommended decoupling capacitors for the M74HCT244TTR? A: Yes, it is recommended to place a decoupling capacitor (typically 0.1μF) near the power supply pins of the M74HCT244TTR to ensure stable operation.

Please note that these answers are general and may vary depending on the specific application and requirements. Always refer to the datasheet and consult with an expert when designing technical solutions.