ZHCSR58E April   2005  – October 2022 MAX3243E

PRODUCTION DATA  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 Revision History
  5. 5 说明（续）
  6. 6 Pin Configuration and Functions
  7. 7 Specifications
    1. 7.1  Absolute Maximum Ratings
    2. 7.2  ESD Ratings
    3. 7.3  ESD Ratings - IEC Specifications
    4. 7.4  Recommended Operating Conditions
    5. 7.5  Thermal Information
    6. 7.6  Electrical Characteristics
    7. 7.7  Driver Electrical Characteristics
    8. 7.8  Receiver, Electrical Characteristics
    9. 7.9  Auto-Powerdown Electrical Characteristics
    10. 7.10 Driver Switching Characteristics
    11. 7.11 Receiver Switching Characteristics
    12. 7.12 Auto-Powerdown Switching Characteristics
  8. 8 Parameter Measurement Information
  9. 9 Detailed Description
    1. 9.1 Overview
    2. 9.2 Functional Block Diagram
    3. 9.3 Feature Description
    4. 9.4 Device Functional Modes
  10. 10Application and Implementation
    1. 10.1 Application Information
    2. 10.2 Typical Application
      1. 10.2.1 Design Requirements
      2. 10.2.2 Detailed Design Procedure
        1. 10.2.2.1 ESD Protection
          1. 10.2.2.1.1 ESD Test Conditions
          2. 10.2.2.1.2 Human Body Model (HBM)
          3. 10.2.2.1.3 IEC61000-4-2 (Formerly Known as IEC1000-4-2)
          4. 10.2.2.1.4 Machine Model
    3. 10.3 Power Supply Recommendations
    4. 10.4 Layout
      1. 10.4.1 Layout Example
        1.       Device and Documentation Support
          1. 11.1 Receiving Notification of Documentation Updates
          2. 11.2 支持资源
          3. 11.3 Trademarks
          4. 11.4 Electrostatic Discharge Caution
          5. 11.5 术语表
  11. 11Mechanical, Packaging, and Orderable Information

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10.2.2.1 ESD Protection

TI MAX3243E devices have standard ESD protection structures incorporated on the pins to protect against electrostatic discharges encountered during assembly and handling. In addition, the RS232 bus pins (driver outputs and receiver inputs) of these devices have an extra level of ESD protection. Advanced ESD structures were designed to successfully protect these bus pins against ESD discharge of ±15-kV in all states: normal operation, shutdown, and powered down. The MAX3243E devices are designed to continue functioning properly after an ESD occurrence without any latchup.

The MAX3243E devices have three specified ESD limits on the driver outputs and receiver inputs, with respect to GND:

  • ±15-kV Human Body Model (HBM)
  • ±15-kV IEC61000-4-2, Air-Gap Discharge (formerly IEC1000-4-2)
  • ±8-kV IEC61000-4-2, Contact Discharge