ZHCSUS7D April   2006  – February 2024 MAX232E

PRODUCTION DATA  

  1.   1
  2. 1 特性
  3. 2 应用
  4. 3 说明
  5. 4 Pin Configuration and Functions
  6. 5 Specifications
    1. 5.1  Absolute Maximum Ratings
    2. 5.2  ESD Ratings
    3. 5.3  Recommended Operating Conditions
    4. 5.4  Thermal Information
    5. 5.5  Electrical Characteristics
    6. 5.6  Electrical Characteristics: Driver
    7. 5.7  Electrical Characteristics: Receiver
    8. 5.8  Switching Characteristics: Driver
    9. 5.9  Switching Characteristics: Receiver
    10. 5.10 Typical Characteristics
  7.   17
  8. 6 Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagram
    3. 6.3 Feature Description
      1. 6.3.1 Power
      2. 6.3.2 RS-232 Driver
      3. 6.3.3 RS-232 Receiver
    4. 6.4 Device Functional Modes
      1. 6.4.1 VCC Powered by 5V
      2. 6.4.2 VCC Unpowered
      3. 6.4.3 Truth Tables
  9. 7 Applications 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
      3. 7.2.3 Application Curve
    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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5.7 Electrical Characteristics: Receiver

over recommended ranges of supply voltage and operating free-air temperature range
PARAMETERTEST CONDITIONS(1)MINTYP(2)MAXUNIT
VOHHigh-level output voltageROUTIOH = –1mA3.5V
VOLLow-level output voltageROUTIOL = 3.2mA0.4V
VIT+Receiver positive-going input threshold voltageRINVCC = 5VTA = 25°C1.72.4V
VIT–Receiver negative-going input threshold voltageRINVCC = 5VTA = 25°C0.81.2V
VhysInput hysteresis voltageRINVCC = 5V0.20.51V
riReceiver input resistanceRINVCC = 5VTA = 25°C357kΩ
(1) Test conditions are C1 – C4 = 1µF at VCC = 5V ± 0.5V.
(2) All typical values are at VCC = 5V and TA = 25°C.