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MC74HCT245ADWG
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MC74HCT245ADWG

Overview

Product Category

MC74HCT245ADWG belongs to the category of integrated circuits (ICs).

Use

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

Characteristics

  • High-speed operation
  • Wide operating voltage range
  • Low power consumption
  • Schmitt trigger inputs for noise immunity
  • 3-state outputs for bus-oriented applications

Package

MC74HCT245ADWG is available in a wide-body SOIC (Small Outline Integrated Circuit) package.

Essence

The essence of MC74HCT245ADWG lies in its ability to provide bidirectional level shifting between two voltage domains.

Packaging/Quantity

This IC is typically packaged in reels, with each reel containing a specific quantity of MC74HCT245ADWG units.

Specifications

  • Supply Voltage: 2.0V to 6.0V
  • 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: 20ns

Pin Configuration

MC74HCT245ADWG has a total of 20 pins, which are assigned specific functions as follows:

  1. A1: Input/Output pin for data transmission
  2. A2: Input/Output pin for data transmission
  3. A3: Input/Output pin for data transmission
  4. A4: Input/Output pin for data transmission
  5. A5: Input/Output pin for data transmission
  6. A6: Input/Output pin for data transmission
  7. GND: Ground reference pin
  8. B1: Input/Output pin for data transmission
  9. B2: Input/Output pin for data transmission
  10. B3: Input/Output pin for data transmission
  11. B4: Input/Output pin for data transmission
  12. B5: Input/Output pin for data transmission
  13. B6: Input/Output pin for data transmission
  14. OE: Output Enable pin
  15. VCC: Positive power supply pin
  16. DIR: Direction control pin
  17. B7: Input/Output pin for data transmission
  18. B8: Input/Output pin for data transmission
  19. B9: Input/Output pin for data transmission
  20. B10: Input/Output pin for data transmission

Functional Features

  • Bidirectional voltage level shifting
  • 3-state outputs for bus-oriented applications
  • Schmitt trigger inputs for noise immunity
  • High-speed operation for efficient data transmission
  • Wide operating voltage range for compatibility with various systems

Advantages and Disadvantages

Advantages

  • Provides bidirectional level shifting between voltage domains
  • Low power consumption
  • Noise immunity due to Schmitt trigger inputs
  • Suitable for bus-oriented applications

Disadvantages

  • Limited maximum propagation delay of 20ns
  • Requires careful consideration of voltage compatibility

Working Principles

MC74HCT245ADWG operates by receiving input signals from one voltage domain and translating them to the appropriate voltage levels of another domain. The direction of data transmission is controlled by the DIR pin. When the DIR pin is set to a specific logic level, the IC enables the corresponding input/output pins for data transfer.

Detailed Application Field Plans

MC74HCT245ADWG finds applications in various electronic devices and systems, including but not limited to: - Microcontrollers - Data communication interfaces - Industrial automation systems - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to MC74HCT245ADWG are: - SN74HCT245N - CD74HCT245E - 74HCT245D

These alternative models offer similar functionality and characteristics, providing flexibility in choosing the most suitable IC for specific applications.

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Liệt kê 10 câu hỏi và câu trả lời thường gặp liên quan đến ứng dụng MC74HCT245ADWG trong giải pháp kỹ thuật

Sure! Here are 10 common questions and answers related to the application of MC74HCT245ADWG in technical solutions:

  1. Q: What is MC74HCT245ADWG? A: MC74HCT245ADWG is a high-speed octal bus transceiver with 3-state outputs, commonly used for level shifting and signal buffering in digital systems.

  2. Q: What is the operating voltage range of MC74HCT245ADWG? A: The operating voltage range of MC74HCT245ADWG is typically between 4.5V and 5.5V.

  3. Q: What is the maximum data transfer rate supported by MC74HCT245ADWG? A: MC74HCT245ADWG can support data transfer rates up to 25 MHz.

  4. Q: Can MC74HCT245ADWG be used for bidirectional communication? A: Yes, MC74HCT245ADWG supports bidirectional data flow, making it suitable for applications requiring both input and output signals.

  5. Q: How many channels does MC74HCT245ADWG have? A: MC74HCT245ADWG has 8 channels, allowing it to handle multiple data lines simultaneously.

  6. Q: What is the output drive capability of MC74HCT245ADWG? A: MC74HCT245ADWG has a typical output drive capability of ±6 mA, which enables it to drive moderate loads.

  7. Q: Can MC74HCT245ADWG tolerate overvoltage on its inputs? A: No, MC74HCT245ADWG is not designed to tolerate overvoltage on its inputs. It is recommended to use external protection circuitry if necessary.

  8. Q: Is MC74HCT245ADWG compatible with TTL and CMOS logic levels? A: Yes, MC74HCT245ADWG is compatible with both TTL and CMOS logic levels, making it versatile for interfacing with different types of devices.

  9. Q: What is the power supply current consumption of MC74HCT245ADWG? A: The power supply current consumption of MC74HCT245ADWG typically ranges from 4 mA to 8 mA, depending on the operating conditions.

  10. Q: Can MC74HCT245ADWG be used in automotive applications? A: Yes, MC74HCT245ADWG is suitable for automotive applications as it meets the necessary requirements for temperature range, reliability, and electrical performance.

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