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MC74VHC240DTR2
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MC74VHC240DTR2

Product Overview

  • Category: Integrated Circuit
  • Use: Logic Gate Buffer/Driver
  • Characteristics: High-Speed, Low-Power, Octal Bus Buffer/Line Driver
  • Package: TSSOP-20
  • Essence: The MC74VHC240DTR2 is a high-performance octal bus buffer/line driver designed for use in various digital applications.
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Supply Voltage: 2.0V to 5.5V
  • Input Voltage: 0V to VCC
  • Output Voltage: 0V to VCC
  • Operating Temperature Range: -40°C to +85°C
  • Propagation Delay: 4.3ns (typical)
  • Output Drive Capability: ±8mA at 3.3V
  • Input Capacitance: 3pF (typical)
  • Output Capacitance: 6pF (typical)

Detailed Pin Configuration

The MC74VHC240DTR2 has a TSSOP-20 package with the following pin configuration:

  1. A1 - Input/Output
  2. B1 - Input/Output
  3. A2 - Input/Output
  4. B2 - Input/Output
  5. A3 - Input/Output
  6. B3 - Input/Output
  7. A4 - Input/Output
  8. B4 - Input/Output
  9. GND - Ground
  10. OE - Output Enable
  11. B5 - Input/Output
  12. A5 - Input/Output
  13. B6 - Input/Output
  14. A6 - Input/Output
  15. B7 - Input/Output
  16. A7 - Input/Output
  17. B8 - Input/Output
  18. A8 - Input/Output
  19. VCC - Power Supply
  20. NC - No Connection

Functional Features

  • Octal buffer/line driver with 3-state outputs
  • High-speed operation, ideal for high-frequency applications
  • Low power consumption, suitable for battery-powered devices
  • Wide operating voltage range allows compatibility with various systems
  • 3-state outputs provide flexibility in bus sharing and multiplexing applications

Advantages and Disadvantages

Advantages

  • High-speed operation enables efficient data transfer
  • Low power consumption prolongs battery life
  • Wide operating voltage range enhances compatibility
  • 3-state outputs offer flexibility in system design

Disadvantages

  • Limited output drive capability may not be suitable for high-current applications
  • TSSOP package may require careful handling during assembly

Working Principles

The MC74VHC240DTR2 is designed to buffer and drive digital signals in various applications. It operates by receiving input signals on the A1-A8 pins and providing corresponding output signals on the B1-B8 pins. The OE (Output Enable) pin controls the 3-state outputs, allowing the device to be enabled or disabled as needed.

Detailed Application Field Plans

The MC74VHC240DTR2 can be used in a wide range of digital applications, including:

  1. Microcontroller interfacing
  2. Data communication systems
  3. Memory address decoding
  4. Bus driving and buffering
  5. Signal level translation

Detailed and Complete Alternative Models

  1. SN74LV240A: Low-Voltage Octal Buffer/Line Driver
  2. CD74HCT240: High-Speed CMOS Logic Octal Buffer/Line Driver
  3. 74ACT240: Advanced CMOS Octal Buffer/Line Driver
  4. MC74HC240: High-Speed CMOS Logic Octal Buffer/Line Driver

These alternative models offer similar functionality and can be considered as substitutes for the MC74VHC240DTR2 in various applications.

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技術ソリューションにおける MC74VHC240DTR2 の適用に関連する 10 件の一般的な質問と回答をリストします。

Sure! Here are 10 common questions and answers related to the application of MC74VHC240DTR2 in technical solutions:

  1. Q: What is MC74VHC240DTR2? A: MC74VHC240DTR2 is a high-speed octal bus buffer/line driver with 3-state outputs, commonly used in digital logic applications.

  2. Q: What is the operating voltage range for MC74VHC240DTR2? A: The operating voltage range for MC74VHC240DTR2 is typically between 2.0V and 5.5V.

  3. Q: What is the maximum output current that MC74VHC240DTR2 can drive? A: MC74VHC240DTR2 can drive up to 8mA of output current per channel.

  4. Q: Can MC74VHC240DTR2 be used as a level shifter? A: Yes, MC74VHC240DTR2 can be used as a level shifter to convert signals between different voltage levels.

  5. Q: How many input/output channels does MC74VHC240DTR2 have? A: MC74VHC240DTR2 has 8 input channels and 8 output channels.

  6. Q: What is the propagation delay of MC74VHC240DTR2? A: The propagation delay of MC74VHC240DTR2 is typically around 5 nanoseconds.

  7. Q: Can MC74VHC240DTR2 be used in bidirectional communication? A: No, MC74VHC240DTR2 is a unidirectional buffer and cannot be used for bidirectional communication.

  8. Q: Is MC74VHC240DTR2 compatible with TTL logic levels? A: Yes, MC74VHC240DTR2 is compatible with both CMOS and TTL logic levels.

  9. Q: Can MC74VHC240DTR2 be used in high-speed applications? A: Yes, MC74VHC240DTR2 is designed for high-speed operation and can be used in such applications.

  10. Q: What is the package type of MC74VHC240DTR2? A: MC74VHC240DTR2 is available in a TSSOP-20 package.

Please note that these answers are general and may vary depending on specific datasheet specifications and application requirements.