ON Semiconductor
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MC74AC240DWR2G
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MC74AC240DWR2G

Product Overview

Category

MC74AC240DWR2G belongs to the category of integrated circuits (ICs).

Use

It is commonly used as a buffer or line driver in various electronic devices and systems.

Characteristics

  • High-speed operation
  • Low power consumption
  • Wide operating voltage range
  • Schmitt trigger inputs for noise immunity
  • Compatible with TTL logic levels
  • Available in surface mount package

Package

MC74AC240DWR2G is available in a small outline package (SOIC) with 20 pins.

Essence

The essence of MC74AC240DWR2G lies in its ability to provide reliable signal buffering and driving capabilities, ensuring smooth data transmission within electronic circuits.

Packaging/Quantity

This product is typically packaged in reels, with each reel containing a specific quantity of MC74AC240DWR2G ICs. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

  • Supply Voltage: 2V to 6V
  • Input Voltage: 0V to VCC
  • Output Voltage: 0V to VCC
  • Operating Temperature Range: -40°C to +85°C
  • Maximum Propagation Delay: 10 ns
  • Maximum Quiescent Current: 4 mA

Detailed Pin Configuration

  1. A1 - Input 1
  2. Y1 - Output 1
  3. A2 - Input 2
  4. Y2 - Output 2
  5. GND - Ground
  6. A3 - Input 3
  7. Y3 - Output 3
  8. A4 - Input 4
  9. Y4 - Output 4
  10. OE - Output Enable
  11. Y5 - Output 5
  12. A5 - Input 5
  13. Y6 - Output 6
  14. A6 - Input 6
  15. Y7 - Output 7
  16. VCC - Supply Voltage
  17. A7 - Input 7
  18. Y8 - Output 8
  19. A8 - Input 8
  20. GND - Ground

Functional Features

  • Buffering: MC74AC240DWR2G acts as a buffer, amplifying and stabilizing input signals before transmitting them to the output.
  • Line Driving: It can drive signals over long distances without significant degradation, ensuring reliable data transmission.
  • Noise Immunity: The Schmitt trigger inputs provide noise immunity, allowing the IC to operate reliably even in noisy environments.
  • Compatibility: MC74AC240DWR2G is compatible with TTL logic levels, making it suitable for integration with existing TTL-based systems.

Advantages and Disadvantages

Advantages

  • High-speed operation enables efficient data transmission.
  • Low power consumption helps conserve energy.
  • Wide operating voltage range allows for versatile applications.
  • Schmitt trigger inputs enhance noise immunity, ensuring reliable performance.
  • Compatibility with TTL logic levels simplifies integration into existing systems.

Disadvantages

  • Limited number of input and output channels (8 channels).
  • May not be suitable for applications requiring a higher number of channels.

Working Principles

MC74AC240DWR2G operates based on the principles of digital logic. It receives input signals, buffers and amplifies them, and then transmits the amplified signals to the output pins. The Schmitt trigger inputs help eliminate noise and ensure stable signal transmission.

Detailed Application Field Plans

MC74AC240DWR2G finds applications in various electronic devices and systems, including but not limited to: - Microcontrollers - Data communication systems - Industrial automation equipment - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

  1. SN74AC240DW: Similar specifications and pin configuration, available in a different package (SOIC-20).
  2. MC74HC240AN: Compatible with CMOS logic levels, suitable for mixed voltage systems.
  3. CD74ACT240E: Offers higher operating temperature range (-55°C to +125°C), ideal for extreme environments.

These alternative models provide similar functionality and can be considered as substitutes for MC74AC240DWR2G based on specific requirements.

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Перелічіть 10 типових запитань і відповідей, пов’язаних із застосуванням MC74AC240DWR2G у технічних рішеннях

Sure! Here are 10 common questions and answers related to the application of MC74AC240DWR2G in technical solutions:

  1. Q: What is MC74AC240DWR2G? A: MC74AC240DWR2G is a specific type of integrated circuit (IC) that belongs to the MC74AC series. It is an octal buffer/line driver with 3-state outputs.

  2. Q: What is the purpose of MC74AC240DWR2G? A: MC74AC240DWR2G is used to provide buffering and line driving capabilities for digital signals in various electronic circuits and systems.

  3. Q: What voltage levels does MC74AC240DWR2G support? A: MC74AC240DWR2G supports a wide range of voltage levels, typically between 2V and 6V.

  4. Q: How many inputs and outputs does MC74AC240DWR2G have? A: MC74AC240DWR2G has 8 inputs and 8 outputs, making it suitable for applications requiring multiple signal lines.

  5. Q: Can MC74AC240DWR2G handle high-speed signals? A: Yes, MC74AC240DWR2G is designed to operate at high speeds, making it suitable for applications where fast signal propagation is required.

  6. Q: Does MC74AC240DWR2G have any built-in protection features? A: MC74AC240DWR2G includes built-in ESD (electrostatic discharge) protection, which helps safeguard the IC from damage during handling or operation.

  7. Q: Can MC74AC240DWR2G be used in both digital and analog circuits? A: No, MC74AC240DWR2G is specifically designed for digital applications and may not be suitable for analog circuits.

  8. Q: What is the maximum current that MC74AC240DWR2G can source or sink? A: MC74AC240DWR2G can typically source or sink up to 24mA of current per output pin.

  9. Q: Is MC74AC240DWR2G compatible with other logic families? A: Yes, MC74AC240DWR2G is compatible with a wide range of logic families, including TTL (Transistor-Transistor Logic) and CMOS (Complementary Metal-Oxide-Semiconductor).

  10. Q: Are there any specific precautions to consider when using MC74AC240DWR2G? A: It is important to follow the manufacturer's datasheet and guidelines for proper usage and handling of MC74AC240DWR2G. Pay attention to voltage levels, current limitations, and recommended operating conditions to ensure reliable performance.