ON Semiconductor
Billedet kan være en repræsentation.
Se specifikationer for produktdetaljer.
MC74LVX4245DWG
Se detaljer DataSheets

MC74LVX4245DWG

Product Overview

Category

MC74LVX4245DWG belongs to the category of integrated circuits (ICs).

Use

It is commonly used as a voltage level translator and bus transceiver.

Characteristics

  • Low-voltage operation
  • High-speed performance
  • Wide operating temperature range
  • ESD protection
  • RoHS compliant

Package

MC74LVX4245DWG is available in a small outline package (SOIC) with 20 pins.

Essence

The essence of MC74LVX4245DWG lies in its ability to provide bidirectional voltage level translation between different logic levels.

Packaging/Quantity

MC74LVX4245DWG is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

  • Supply Voltage: 2.0V to 5.5V
  • Logic Family: LVX
  • Number of Channels: 8
  • Input/Output Compatibility: TTL/CMOS
  • Maximum Operating Frequency: 100MHz
  • Propagation Delay: 4.5ns (typical)
  • Output Drive Capability: ±24mA

Detailed Pin Configuration

  1. A1 - Channel A Data Input/Output
  2. GND - Ground
  3. A2 - Channel A Data Input/Output
  4. OE - Output Enable
  5. A3 - Channel A Data Input/Output
  6. VCC - Power Supply
  7. A4 - Channel A Data Input/Output
  8. B1 - Channel B Data Input/Output
  9. B2 - Channel B Data Input/Output
  10. B3 - Channel B Data Input/Output
  11. B4 - Channel B Data Input/Output
  12. DIR - Direction Control
  13. B5 - Channel B Data Input/Output
  14. VCC - Power Supply
  15. B6 - Channel B Data Input/Output
  16. GND - Ground
  17. B7 - Channel B Data Input/Output
  18. B8 - Channel B Data Input/Output
  19. A7 - Channel A Data Input/Output
  20. A8 - Channel A Data Input/Output

Functional Features

  • Bidirectional voltage level translation
  • Automatic direction control
  • High-speed data transmission
  • Low power consumption
  • ESD protection for robustness

Advantages and Disadvantages

Advantages

  • Wide operating voltage range
  • Fast propagation delay
  • Easy to use with automatic direction control
  • High output drive capability

Disadvantages

  • Limited number of channels (8)
  • Not suitable for high-frequency applications above 100MHz

Working Principles

MC74LVX4245DWG operates by receiving input data from one side (Channel A or B) and translating it to the corresponding logic level on the other side. The direction of data flow is controlled by the DIR pin. When DIR is set to a specific logic level, the data flows bidirectionally between the selected channel and the opposite channel.

Detailed Application Field Plans

MC74LVX4245DWG finds applications in various fields, including:

  1. Communication systems
  2. Industrial automation
  3. Automotive electronics
  4. Consumer electronics
  5. Computer peripherals
  6. Robotics

Its voltage level translation capabilities make it suitable for interfacing different logic families and ensuring proper signal integrity in these applications.

Detailed and Complete Alternative Models

  1. SN74LVC4245A: Similar functionality with a wider operating voltage range (1.65V to 5.5V).
  2. CD74HCT245: Higher output drive capability but operates at a higher voltage level (4.5V to 5.5V).
  3. 74HC245: Compatible with CMOS and TTL logic families, but operates at a higher voltage level (2.0V to 6.0V).

These alternative models offer similar functionality to MC74LVX4245DWG and can be considered based on specific application requirements.

Word count: 529 words

Liste 10 almindelige spørgsmål og svar relateret til anvendelsen af MC74LVX4245DWG i tekniske løsninger

Sure! Here are 10 common questions and answers related to the application of MC74LVX4245DWG in technical solutions:

  1. Q: What is MC74LVX4245DWG? A: MC74LVX4245DWG is a voltage level translator and bus transceiver integrated circuit (IC) commonly used in digital systems.

  2. Q: What is the operating voltage range of MC74LVX4245DWG? A: The operating voltage range of MC74LVX4245DWG is typically between 2.0V and 5.5V.

  3. Q: Can MC74LVX4245DWG be used for bidirectional level translation? A: Yes, MC74LVX4245DWG is designed for bidirectional level translation, making it suitable for applications where data needs to be transferred between different voltage domains.

  4. Q: How many channels does MC74LVX4245DWG have? A: MC74LVX4245DWG has 8 channels, allowing it to handle multiple data lines simultaneously.

  5. Q: What is the maximum data rate supported by MC74LVX4245DWG? A: MC74LVX4245DWG can support data rates up to 100 Mbps, making it suitable for high-speed digital communication.

  6. Q: Can MC74LVX4245DWG be used with both CMOS and TTL logic levels? A: Yes, MC74LVX4245DWG is compatible with both CMOS and TTL logic levels, providing flexibility in system design.

  7. Q: Does MC74LVX4245DWG have built-in ESD protection? A: Yes, MC74LVX4245DWG incorporates built-in ESD protection, ensuring robustness against electrostatic discharge events.

  8. Q: What is the power supply voltage required for MC74LVX4245DWG? A: MC74LVX4245DWG requires a single power supply voltage of typically 3.3V, although it can operate within a wider range.

  9. Q: Can MC74LVX4245DWG be used in both digital and analog applications? A: No, MC74LVX4245DWG is primarily designed for digital applications and may not be suitable for precision analog signals.

  10. Q: Are there any specific layout considerations for using MC74LVX4245DWG? A: Yes, to ensure optimal performance, it is recommended to follow the layout guidelines provided in the datasheet, including proper decoupling and signal routing techniques.

Please note that these answers are general and may vary depending on the specific application and requirements. It is always advisable to refer to the datasheet and consult with the manufacturer for detailed information.