ZHCS910B November   2011  – April 2016 TXS0206A

PRODUCTION DATA.  

  1. 1 特性
  2. 2 应用范围
  3. 3 说明
  4. 4 修订历史记录
  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  Timing Requirements—VCCA = 1.2 V ± 0.1 V
    7. 6.7  Timing Requirements—VCCA = 1.8 V ± 0.15 V
    8. 6.8  Timing Requirements—VCCA = 3.3 V ± 0.3 V
    9. 6.9  Switching Characteristics—VCCA = 1.2 V ± 0.1 V
    10. 6.10 Switching Characteristics—VCCA = 1.8 V ± 0.15 V
    11. 6.11 Switching Characteristics—VCCA = 3.3 V ± 0.3 V
    12. 6.12 Operating Characteristics —VCCA = 1.2 V
    13. 6.13 Operating Characteristics —VCCA = 1.8 V
    14. 6.14 Operating Characteristics — VCCA = 3.3 V
    15. 6.15 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 Architecture
    4. 8.4 Device Functional Modes
  9. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
        1. 9.2.2.1 External Pulldown Resistors
      3. 9.2.3 Application Curves
    3. 9.3 System Examples
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12器件和文档支持
    1. 12.1 文档支持
      1. 12.1.1 相关文档　
    2. 12.2 社区资源
    3. 12.3 商标
    4. 12.4 静电放电警告
    5. 12.5 Glossary
  13. 13机械、封装和可订购信息

封装选项

机械数据 (封装 | 引脚)
散热焊盘机械数据 (封装 | 引脚)
订购信息

10 Power Supply Recommendations

The TXS0206A does not require power sequencing between VCCA and VCCB during power-up so the power-supply rails can be ramped in any order.

The EN pin is referenced to VCCA and when configured to low, will place all outputs into a high-impedance state. To ensure the high-impedance state of the outputs during power up or power down, the EN pin must be tied to GND through a pulldown resistor and must not be enabled until VCCA and VCCB are fully ramped and stable. The minimum value of the pulldown resistor to ground is determined by the current-sourcing capability of the driver controlling the EN pin.

Finally, the EN pin may be shorted to VCCA if the application does not require use of the high-impedance state at any time.
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