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MC74VHCT245AMELG
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MC74VHCT245AMELG

Product Overview

Category

MC74VHCT245AMELG belongs to the category of integrated circuits (ICs).

Use

It is commonly used as a voltage level translator and buffer in various electronic devices.

Characteristics

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

Package

MC74VHCT245AMELG is available in a small outline package (SOP) with 20 pins.

Essence

The essence of MC74VHCT245AMELG lies in its ability to provide efficient voltage level translation and buffering, ensuring reliable signal transmission between different logic levels.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

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 Time: 6 ns (max)
  • Output Current: ±8 mA

Detailed Pin Configuration

  1. A1 - Input/Output A1
  2. B1 - Input/Output B1
  3. GND - Ground
  4. A2 - Input/Output A2
  5. B2 - Input/Output B2
  6. OE - Output Enable
  7. DIR - Direction Control
  8. VCC - Power Supply
  9. B3 - Input/Output B3
  10. A3 - Input/Output A3
  11. B4 - Input/Output B4
  12. A4 - Input/Output A4
  13. B5 - Input/Output B5
  14. A5 - Input/Output A5
  15. B6 - Input/Output B6
  16. A6 - Input/Output A6
  17. B7 - Input/Output B7
  18. A7 - Input/Output A7
  19. GND - Ground
  20. B8 - Input/Output B8

Functional Features

  • Voltage level translation between different logic levels (e.g., 3.3V to 5V)
  • Buffering of signals to ensure signal integrity and prevent signal degradation
  • Schmitt trigger inputs for improved noise immunity
  • 3-state outputs for bus-oriented applications, allowing multiple devices to share a common bus

Advantages and Disadvantages

Advantages

  • High-speed operation enables efficient data transmission
  • Low power consumption for energy-efficient designs
  • Wide operating voltage range allows compatibility with various systems
  • Schmitt trigger inputs provide robustness against noise

Disadvantages

  • Limited output current may restrict its use in high-current applications
  • Not suitable for bidirectional level translation

Working Principles

MC74VHCT245AMELG operates by receiving input signals from one logic level and translating them to another logic level using internal circuitry. The direction control pin (DIR) determines the direction of data flow. When the output enable pin (OE) is active, the device allows data transmission, while deactivating OE puts the outputs in a high-impedance state.

Detailed Application Field Plans

MC74VHCT245AMELG finds applications in various electronic systems, including but not limited to: - Microcontrollers and microprocessors - Communication systems - Industrial automation - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

  1. SN74LVC245A
  2. CD74HCT245E
  3. 74HC245D
  4. MC74ACT245DW

These alternative models offer similar functionality and can be used as substitutes for MC74VHCT245AMELG in different applications.

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Wymień 10 typowych pytań i odpowiedzi związanych z zastosowaniem MC74VHCT245AMELG w rozwiązaniach technicznych

Sure! Here are 10 common questions and answers related to the application of MC74VHCT245AMELG in technical solutions:

  1. Question: What is MC74VHCT245AMELG?
    - Answer: MC74VHCT245AMELG is a high-speed octal bus transceiver with 3-state outputs, commonly used in digital systems.

  2. Question: What is the operating voltage range for MC74VHCT245AMELG?
    - Answer: The operating voltage range for MC74VHCT245AMELG is typically between 4.5V and 5.5V.

  3. Question: How many channels does MC74VHCT245AMELG have?
    - Answer: MC74VHCT245AMELG has 8 bidirectional channels.

  4. Question: What is the maximum data transfer rate supported by MC74VHCT245AMELG?
    - Answer: MC74VHCT245AMELG supports a maximum data transfer rate of 200 MHz.

  5. Question: Can MC74VHCT245AMELG be used for level shifting?
    - Answer: Yes, MC74VHCT245AMELG can be used for level shifting as it supports both TTL and CMOS logic levels.

  6. Question: Is MC74VHCT245AMELG compatible with 5V systems?
    - Answer: Yes, MC74VHCT245AMELG is compatible with 5V systems as it operates within the 4.5V to 5.5V voltage range.

  7. Question: Does MC74VHCT245AMELG have built-in protection features?
    - Answer: Yes, MC74VHCT245AMELG has built-in ESD protection on all inputs and outputs.

  8. Question: Can MC74VHCT245AMELG be used in bidirectional data transfer applications?
    - Answer: Yes, MC74VHCT245AMELG is designed for bidirectional data transfer and can be used in such applications.

  9. Question: What is the power supply current requirement for MC74VHCT245AMELG?
    - Answer: The power supply current requirement for MC74VHCT245AMELG is typically around 8 mA.

  10. Question: Are there any recommended decoupling capacitors for MC74VHCT245AMELG?
    - Answer: Yes, it is recommended to use a 0.1 µF ceramic capacitor placed close to the VCC and GND pins of MC74VHCT245AMELG for proper decoupling.

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