ZHCSR28A September   2010  – October 2022 SN74LVC2T45-Q1

PRODUCTION DATA  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
  6. 6 Specifications
    1. 6.1  Absolute Maximum Ratings
    2. 6.2  ESD Ratings
    3. 6.3  Recommended Operating Conditions
    4. 6.4  Thermal Information
    5. 6.5  Electrical Characteristics
    6. 6.6  Switching Characteristics: VCCA = 1.8 V ± 0.15 V
    7. 6.7  Switching Characteristics: VCCA = 2.5 V ± 0.2 V
    8. 6.8  Switching Characteristics: VCCA = 3.3 V ± 0.3 V
    9. 6.9  Switching Characteristics: VCCA = 5 V ± 0.5 V
    10. 6.10 Operating Characteristics
    11. 6.11 Typical Characteristics
  7. 7 Parameter Measurement Information
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Fully Configurable Dual-Rail Design Allows Each Port to Operate Over the Full 1.65-V to 5.5-V Power-Supply Range
      2. 8.3.2 Support High-Speed Translation
      3. 8.3.3 Ioff Supports Partial-Power-Down Mode Operation
      4. 8.3.4 Balanced High-Drive CMOS Push-Pull Outputs
      5. 8.3.5 Vcc Isolation
    4. 8.4 Device Functional Modes
  9. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Applications
      1. 9.2.1 Unidirectional Logic Level-Shifting Application
        1. 9.2.1.1 Design Requirements
        2. 9.2.1.2 Detailed Design Procedure
        3. 9.2.1.3 Application Curve
      2. 9.2.2 Bidirectional Logic Level-Shifting Application
        1. 9.2.2.1 Design Requirements
        2. 9.2.2.2 Detailed Design Procedure
          1. 9.2.2.2.1 Enable Times
        3. 9.2.2.3 Application Curve
  10. 10Power Supply Recommendations
    1. 10.1 Power-Up Considerations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Documentation Support
      1. 12.1.1 Related Documentation
    2. 12.2 接收文档更新通知
    3. 12.3 支持资源
    4. 12.4 Trademarks
    5. 12.5 Electrostatic Discharge Caution
    6. 12.6 术语表
  13. 13Mechanical, Packaging, and Orderable Information

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1 特性

  • 符合面向汽车应用的 AEC-Q100 标准

  • 完全可配置的双轨设计，支持各个端口在 1.65V 至 5.5V 的整个电源电压范围内运行
  • VCC 隔离特性 – 如果任何一个 VCC 输入接地 (GND)，则两个端口均处于高阻抗状态
  • 以 VCCA 为基准的 DIR 输入电路
  • 低功耗，ICC 最大值为 10μA
  • 电压为 3.3V 时，输出驱动为 ±24mA
  • Ioff 支持部分断电模式运行
  • 最大数据速率：
    • 420Mbps（3.3V 至 5V 转换）
    • 210Mbps（转换至 3.3 V）
    • 140Mbps（转换至 2.5 V）
    • 75Mbps（转换至 1.8 V）