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MC74VHC244DTR2

MC74VHC244DTR2

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Logic Level Shifter
  • Characteristics: High-Speed, Low-Power, Non-Inverting Buffer/Line Driver
  • Package: SOIC-20
  • Essence: The MC74VHC244DTR2 is a logic level shifter IC that provides non-inverting buffer and line driver functionality. It is designed to operate at high speeds while consuming low power.
  • Packaging/Quantity: The MC74VHC244DTR2 is available in a tape and reel packaging with 2500 units per reel.

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
  • Propagation Delay: 4.3ns (typical) at 5V supply voltage
  • Output Drive Capability: ±8mA at 5V supply voltage

Detailed Pin Configuration

The MC74VHC244DTR2 has a total of 20 pins arranged in a SOIC package. The pin configuration is as follows:

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

Functional Features

  • Non-inverting buffer and line driver functionality
  • High-speed operation
  • Low power consumption
  • Wide operating voltage range
  • 3-state output for bus-oriented applications
  • ESD protection on all inputs and outputs

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient data transfer. - Low power consumption helps in reducing overall system power requirements. - Wide operating voltage range provides flexibility in various applications. - ESD protection ensures reliability and durability.

Disadvantages: - Limited output drive capability may not be suitable for high-current applications. - The SOIC package may not be ideal for space-constrained designs.

Working Principles

The MC74VHC244DTR2 is designed to shift logic levels from one voltage domain to another. It acts as a non-inverting buffer and line driver, allowing for bidirectional data transfer between devices operating at different voltage levels. The IC operates by receiving input signals and amplifying them to the desired output voltage level.

Detailed Application Field Plans

The MC74VHC244DTR2 finds applications in various fields, including:

  1. Microcontroller interfacing
  2. Data communication systems
  3. Industrial automation
  4. Automotive electronics
  5. Consumer electronics

In microcontroller interfacing, the IC can be used to interface low-voltage microcontrollers with higher voltage peripherals. In data communication systems, it enables signal level translation between different voltage domains. In industrial automation and automotive electronics, it facilitates the integration of components operating at different voltage levels. In consumer electronics, it can be utilized for level shifting in audio/video interfaces and other digital communication protocols.

Detailed and Complete Alternative Models

  1. SN74LVC244A: Low-Voltage CMOS Octal Buffer/Line Driver
  2. CD74HCT244: High-Speed CMOS Logic Octal Buffer/Line Driver
  3. 74HC244: High-Speed CMOS Logic Octal Buffer/Line Driver

These alternative models offer similar functionality to the MC74VHC244DTR2 and can be considered as alternatives based on specific application requirements.

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قم بإدراج 10 أسئلة وإجابات شائعة تتعلق بتطبيق MC74VHC244DTR2 في الحلول التقنية

Sure! Here are 10 common questions and answers related to the application of MC74VHC244DTR2 in technical solutions:

  1. Q: What is MC74VHC244DTR2? A: MC74VHC244DTR2 is a high-speed CMOS octal buffer/line driver with 3-state outputs.

  2. Q: What is the operating voltage range for MC74VHC244DTR2? A: The operating voltage range for MC74VHC244DTR2 is typically between 2.0V and 5.5V.

  3. Q: What is the maximum output current that MC74VHC244DTR2 can drive? A: MC74VHC244DTR2 can drive up to 8mA of output current per channel.

  4. Q: Can MC74VHC244DTR2 be used as a level shifter? A: Yes, MC74VHC244DTR2 can be used as a level shifter to convert signals between different voltage levels.

  5. Q: How many channels does MC74VHC244DTR2 have? A: MC74VHC244DTR2 has 8 channels, each with a separate input and output.

  6. Q: What is the propagation delay of MC74VHC244DTR2? A: The propagation delay of MC74VHC244DTR2 is typically around 5 ns.

  7. Q: Can MC74VHC244DTR2 be used in bidirectional applications? A: No, MC74VHC244DTR2 is a unidirectional buffer and cannot be used in bidirectional applications.

  8. Q: Is MC74VHC244DTR2 compatible with TTL logic levels? A: Yes, MC74VHC244DTR2 is compatible with both CMOS and TTL logic levels.

  9. Q: What is the maximum operating frequency of MC74VHC244DTR2? A: The maximum operating frequency of MC74VHC244DTR2 is typically around 200 MHz.

  10. Q: Can MC74VHC244DTR2 be used in automotive applications? A: Yes, MC74VHC244DTR2 is suitable for automotive applications as it can operate within the specified temperature range and voltage requirements.

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