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MC74VHC245DW
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MC74VHC245DW

Product Overview

Category

MC74VHC245DW belongs to the category of integrated circuits (ICs).

Use

This product is commonly used for signal level shifting and voltage translation in various electronic devices.

Characteristics

  • High-speed operation
  • Wide voltage range
  • Low power consumption
  • Compatibility with TTL inputs
  • Schmitt trigger action on all inputs
  • Balanced propagation delays

Package

MC74VHC245DW is available in a 20-pin SOIC (Small Outline Integrated Circuit) package.

Essence

The essence of MC74VHC245DW lies in its ability to efficiently shift signal levels between different voltage domains, ensuring seamless communication between various components within an electronic system.

Packaging/Quantity

This product is typically packaged in reels or tubes, with each reel/tube containing a specific quantity of MC74VHC245DW ICs. The exact quantity may vary depending on the supplier.

Specifications

  • Supply Voltage: 2.0V to 5.5V
  • Input Voltage: -0.5V to VCC + 0.5V
  • Output Voltage: -0.5V to VCC + 0.5V
  • Operating Temperature Range: -40°C to +85°C
  • Maximum Propagation Delay: 6 ns
  • Maximum Quiescent Current: 4 μA

Detailed Pin Configuration

  1. OE (Output Enable)
  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. GND (Ground)
  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 (Supply Voltage)
  20. DIR (Direction Control)

Functional Features

  • Bidirectional voltage translation
  • Non-inverting outputs
  • Output enable control for disabling the outputs
  • Direction control for selecting the data flow direction

Advantages and Disadvantages

Advantages

  • High-speed operation allows for efficient signal transmission.
  • Wide voltage range compatibility enables use in various electronic systems.
  • Low power consumption helps conserve energy.
  • Schmitt trigger action on all inputs ensures noise immunity.
  • Balanced propagation delays ensure accurate timing.

Disadvantages

  • Limited number of input/output channels (8-bit bidirectional).

Working Principles

MC74VHC245DW operates by receiving input signals from one voltage domain, translating them to a different voltage level, and then outputting the translated signals to another voltage domain. The direction of data flow can be controlled using the DIR pin. The OE pin allows for enabling or disabling the outputs.

Detailed Application Field Plans

MC74VHC245DW finds applications in various fields, including but not limited to: 1. Microcontroller interfacing 2. Data communication systems 3. Industrial automation 4. Automotive electronics 5. Consumer electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to MC74VHC245DW are: 1. SN74LVCH245A 2. CD74HCT245 3. 74ACT245 4. 74LVC245

These alternative models can be considered based on specific requirements and availability.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av MC74VHC245DW i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of MC74VHC245DW in technical solutions:

  1. Question: What is MC74VHC245DW?
    Answer: MC74VHC245DW is a high-speed octal bus transceiver that can be used for bidirectional level shifting between different voltage domains.

  2. Question: What is the operating voltage range of MC74VHC245DW?
    Answer: The operating voltage range of MC74VHC245DW is typically between 2.0V and 5.5V.

  3. Question: How many channels does MC74VHC245DW have?
    Answer: MC74VHC245DW has 8 bidirectional channels, allowing for simultaneous data transfer in both directions.

  4. Question: Can MC74VHC245DW be used for voltage translation between different logic families?
    Answer: Yes, MC74VHC245DW can be used for voltage translation between different logic families, such as TTL and CMOS.

  5. Question: What is the maximum data transfer rate supported by MC74VHC245DW?
    Answer: MC74VHC245DW supports high-speed data transfer rates up to 200MHz.

  6. Question: Does MC74VHC245DW have any built-in protection features?
    Answer: Yes, MC74VHC245DW has built-in ESD protection on all inputs and outputs, ensuring robustness against electrostatic discharge.

  7. Question: Can MC74VHC245DW be used in automotive applications?
    Answer: Yes, MC74VHC245DW is qualified for automotive applications and meets the necessary standards.

  8. Question: What is the power supply current consumption of MC74VHC245DW?
    Answer: The power supply current consumption of MC74VHC245DW is typically very low, making it suitable for power-sensitive applications.

  9. Question: Can MC74VHC245DW be used in both 3.3V and 5V systems?
    Answer: Yes, MC74VHC245DW can be used in both 3.3V and 5V systems, thanks to its wide operating voltage range.

  10. Question: Are there any application notes or reference designs available for MC74VHC245DW?
    Answer: Yes, the manufacturer provides application notes and reference designs that can help with the implementation of MC74VHC245DW in various technical solutions.

Please note that these answers are general and may vary depending on specific requirements and use cases. It's always recommended to refer to the datasheet and consult with the manufacturer for detailed information.