ZHCSDC5B April   2014  – November 2019 TCA9546A

PRODUCTION DATA.  

  1. 1 特性
  2. 2 应用
  3. 3 说明
    1.     Device Images
      1.      简化应用示意图
  4. 4 修订历史记录
  5. 5 Pin Configuration and Functions
    1.     Pin 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 I2C Interface Timing Requirements
    7. 6.7 Switching Characteristics
    8. 6.8 Interrupt and Reset Timing Requirements
    9. 6.9 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
    4. 8.4 Device Functional Modes
      1. 8.4.1 RESET Input
      2. 8.4.2 Power-On Reset
    5. 8.5 Programming
      1. 8.5.1 I2C Interface
    6. 8.6 Control Register
      1. 8.6.1 Device Address
      2. 8.6.2 Control Register Description
      3. 8.6.3 Control Register Definition
  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
      3. 9.2.3 TCA9546A Application Curves
  10. 10Power Supply Recommendations
    1. 10.1 Power-On Reset Requirements
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12器件和文档支持
    1. 12.1 接收文档更新通知
    2. 12.2 支持资源
    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

9.2.3 TCA9546A Application Curves

TCA9546A D007_SCPS204.gif
Standard-mode
(fSCL kHz, tr 		SPACE
(fSCL kHz, tr)
Figure 16. Pass-Gate Voltage (Vpass) vs Supply Voltage (VCC) at Three Temperature Points
TCA9546A D009_SCPS204.gif
VOL = 0.2*VDPUX, IOL = 2 mA when VDPUX ≤ 2 V
VOL = 0.4 V, IOL = 3 mA when VDPUX > 2 V
Figure 18. Minimum Pull-Up Resistance (Rp(min)) vs Pull-Up Reference Voltage (VDPUX)
TCA9546A D008_SCPS204.gif
Standard-mode
(fSCL= 100 kHz, tr = 1 µs) 		Fast-mode
(fSCL= 400 kHz, tr= 300 ns)
Figure 17. Maximum Pull-Up resistance (Rp(max)) vs Bus Capacitance (Cb)
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