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74LVCH8T245PW,118
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74LVCH8T245PW,118

Basic Information Overview

  • Category: Integrated Circuit (IC)
  • Use: Level Shifter and Translator
  • Characteristics: High-speed, low-power, bidirectional voltage level translation
  • Package: TSSOP (Thin Shrink Small Outline Package)
  • Essence: Translates signals between different voltage levels in electronic circuits
  • Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

  • Supply Voltage Range: 1.2V to 3.6V
  • Input Voltage Range: 0V to VCC
  • Output Voltage Range: 0V to VCC
  • Maximum Data Rate: 400 Mbps
  • Number of Channels: 8
  • Input/Output Type: Tri-State

Detailed Pin Configuration

  1. OE (Output Enable) - Active Low Output Enable
  2. A1 - Channel 1 Input/Output
  3. B1 - Channel 1 Input/Output
  4. GND (Ground) - Ground Reference
  5. B2 - Channel 2 Input/Output
  6. A2 - Channel 2 Input/Output
  7. VCC - Power Supply
  8. OE (Output Enable) - Active Low Output Enable
  9. A3 - Channel 3 Input/Output
  10. B3 - Channel 3 Input/Output
  11. GND (Ground) - Ground Reference
  12. B4 - Channel 4 Input/Output
  13. A4 - Channel 4 Input/Output
  14. VCC - Power Supply
  15. OE (Output Enable) - Active Low Output Enable
  16. A5 - Channel 5 Input/Output
  17. B5 - Channel 5 Input/Output
  18. GND (Ground) - Ground Reference
  19. B6 - Channel 6 Input/Output
  20. A6 - Channel 6 Input/Output
  21. VCC - Power Supply
  22. OE (Output Enable) - Active Low Output Enable
  23. A7 - Channel 7 Input/Output
  24. B7 - Channel 7 Input/Output
  25. GND (Ground) - Ground Reference
  26. B8 - Channel 8 Input/Output
  27. A8 - Channel 8 Input/Output
  28. VCC - Power Supply

Functional Features

  • Bidirectional voltage level translation between two different voltage domains
  • Supports both push-pull and open-drain output configurations
  • Allows voltage translation from a lower voltage to a higher voltage and vice versa
  • Provides high-speed data transmission with low power consumption
  • Tri-state outputs allow for easy bus sharing

Advantages

  • Wide supply voltage range allows compatibility with various systems
  • High-speed operation enables efficient data transfer
  • Low-power consumption helps in energy-efficient designs
  • Tri-state outputs facilitate bus sharing and reduce conflicts

Disadvantages

  • Limited number of channels (8 channels)
  • Not suitable for voltage translation beyond the specified supply voltage range

Working Principles

The 74LVCH8T245PW,118 is a bidirectional level shifter and translator IC. It operates by receiving input signals from one voltage domain and translating them to the corresponding voltage levels of another domain. The IC uses a combination of MOSFETs and CMOS technology to achieve fast and efficient voltage level translation.

Detailed Application Field Plans

  • Interfacing between microcontrollers operating at different voltage levels
  • Communication between devices with different logic families (e.g., TTL and CMOS)
  • Level shifting in I2C, SPI, or UART communication interfaces
  • Signal translation in mixed-voltage systems

Detailed and Complete Alternative Models

  • SN74LVC8T245PW,118
  • 74HCT245PW,118
  • TXB0108PWR

Note: The above alternative models provide similar functionality and can be used as substitutes for the 74LVCH8T245PW,118 in various applications.

This entry provides an overview of the 74LVCH8T245PW,118 integrated circuit, including its basic information, specifications, pin configuration, functional features, advantages, disadvantages, working principles, application field plans, and alternative models.

10個與74LVCH8T245PW,118在技術方案中應用相關的常見問題與解答

Sure! Here are 10 common questions and answers related to the application of 74LVCH8T245PW,118 in technical solutions:

  1. Q: What is the function of the 74LVCH8T245PW,118? A: The 74LVCH8T245PW,118 is an octal bus transceiver with 3-state outputs. It can be used to enable bidirectional level shifting between two voltage domains.

  2. Q: What is the operating voltage range of the 74LVCH8T245PW,118? A: The 74LVCH8T245PW,118 operates within a voltage range of 1.65V to 5.5V.

  3. Q: How many channels does the 74LVCH8T245PW,118 have? A: The 74LVCH8T245PW,118 has 8 bidirectional channels.

  4. Q: What is the maximum data transfer rate supported by the 74LVCH8T245PW,118? A: The 74LVCH8T245PW,118 supports a maximum data transfer rate of 400 Mbps.

  5. Q: Can the 74LVCH8T245PW,118 handle level shifting between different voltage levels? A: Yes, the 74LVCH8T245PW,118 can handle level shifting between different voltage levels, making it suitable for interfacing between devices with different voltage requirements.

  6. Q: Does the 74LVCH8T245PW,118 support 3-state outputs? A: Yes, the 74LVCH8T245PW,118 supports 3-state outputs, allowing multiple devices to share a common bus without interfering with each other.

  7. Q: What is the power supply voltage required for the 74LVCH8T245PW,118? A: The 74LVCH8T245PW,118 requires a power supply voltage of 1.65V to 5.5V.

  8. Q: Can the 74LVCH8T245PW,118 be used in both digital and analog applications? A: No, the 74LVCH8T245PW,118 is primarily designed for digital applications and may not be suitable for analog signals.

  9. Q: What is the package type of the 74LVCH8T245PW,118? A: The 74LVCH8T245PW,118 comes in a TSSOP-20 package.

  10. Q: Are there any specific precautions to consider when using the 74LVCH8T245PW,118? A: It is important to ensure that the voltage levels and timing requirements of the connected devices are compatible with the specifications of the 74LVCH8T245PW,118. Additionally, proper decoupling capacitors should be used to minimize noise and ensure stable operation.