ZHCSMM6A April   2022  – May 2024 TUSB1142

PRODUCTION DATA  

  1.   1
  2. 1 特性
  3. 2 应用
  4.   说明
  5. 3 Pin Configuration and Functions
  6. 4 Specifications
    1. 4.1  Absolute Maximum Ratings
    2. 4.2  ESD Ratings
    3. 4.3  Recommended Operating Conditions
    4. 4.4  Thermal Information
    5. 4.5  Power Supply Characteristics
    6. 4.6  Control I/O DC Electrical Characteristics
    7. 4.7  USB Electrical Characteristics
    8. 4.8  Timing Requirements
    9. 4.9  Switching Characteristics
    10. 4.10 Typical Characteristics
  7. 5 Parameter Measurement Information
  8. 6 Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagram
    3. 6.3 Feature Description
      1. 6.3.1 4-Level Inputs
      2. 6.3.2 USB Receiver Linear Equalization
        1. 6.3.2.1 Linear EQ Configuration
        2. 6.3.2.2 Full Adaptive Equalization
        3. 6.3.2.3 Fast Adaptive Equalization
      3. 6.3.3 USB Transmitter
        1. 6.3.3.1 Linearity VOD
        2. 6.3.3.2 Limited VOD
        3. 6.3.3.3 Transmit Equalization (Limited Redriver Mode Only)
      4. 6.3.4 USB 3.2 2:1 MUX Description
      5. 6.3.5 USB Polarity Inversion
      6. 6.3.6 Receiver Detect Control
    4. 6.4 Device Functional Modes
      1. 6.4.1 MODE Pin
      2. 6.4.2 Rx EQ Configuration in Pin-Strap Mode
      3. 6.4.3 USB 3.2 Power States
      4. 6.4.4 Disabling U1 and U2
    5. 6.5 Programming
      1. 6.5.1 Pseudocode Examples
        1. 6.5.1.1 Fixed EQ with Linear Redriver Mode
        2. 6.5.1.2 Fixed EQ with Limited Redriver Mode
        3. 6.5.1.3 Fast AEQ with Linear Redriver Mode
        4. 6.5.1.4 Fast AEQ with Limited Redriver Mode
        5. 6.5.1.5 Full AEQ with Linear Redriver Mode
        6. 6.5.1.6 Full AEQ with Limited Redriver Mode
      2. 6.5.2 TUSB1142 I2C Address Options
      3. 6.5.3 TUSB1142 I2C Target Behavior
    6. 6.6 Register Map
      1. 6.6.1 TUSB1142 Registers
  9. 7 Application and Implementation
    1. 7.1 Application Information
    2. 7.2 Typical Application
      1. 7.2.1 Design Requirements
      2. 7.2.2 Detailed Design Procedure
        1. 7.2.2.1 USB SSTX Receiver Configuration
        2. 7.2.2.2 USB CRX1/2 Receiver Configuration
          1. 7.2.2.2.1 Fixed Equalization
          2. 7.2.2.2.2 Full Adaptive Equalization
          3. 7.2.2.2.3 Fast Adaptive Equalization
        3. 7.2.2.3 ESD Protection
      3. 7.2.3 Application Curves
    3. 7.3 Power Supply Recommendations
    4. 7.4 Layout
      1. 7.4.1 Layout Guidelines
      2. 7.4.2 Layout Example
  10. 8 Device and Documentation Support
    1. 8.1 接收文档更新通知
    2. 8.2 支持资源
    3. 8.3 Trademarks
    4. 8.4 静电放电警告
    5. 8.5 术语表
  11. 9 Revision History
  12. 10Mechanical, Packaging, and Orderable Information

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机械数据 (封装 | 引脚)
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4.3 Recommended Operating Conditions

over operating free-air temperature range (unless otherwise noted)
MIN NOM MAX UNIT
VCC Main power supply 3.0 3.3 3.6 V
Main supply ramp requirement 0.1 50 ms
V(I2C) Supply that external resistors are pulled up to for both SDA and SCL pins 1.7 3.6 V
V(PSN) Supply Noise on VCC pins (less than 4MHz) 50 mVpp
TA TUSB1142 Operating free-air temperature 0 70 °C
TUSB1142I Operating free-air temperature -40 85 °C
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