ZHCSOD9C October   2005  – July 2021 MAX3221E

PRODUCTION DATA  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
  6. 6 Specifications
    1. 6.1  Absolute Maximum Ratings
    2. 6.2  ESD Ratings
    3. 6.3  ESD Ratings - IEC Specifications
    4. 6.4  Recommended Operating Conditions
    5. 6.5  Thermal Information
    6. 6.6  Electrical Characteristics
    7. 6.7  Electrical Characteristics: Driver
    8. 6.8  Electrical Characteristics: Receiver
    9. 6.9  Electrical Characteristics: Auto-Power Down
    10. 6.10 Switching Characteristics: Driver
    11. 6.11 Switching Characteristics: Receiver
    12. 6.12 Switching Characteristics: Auto-Power Down
    13. 6.13 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 Power
      2. 8.3.2 RS-232 Driver
      3. 8.3.3 RS-232 Receiver
      4. 8.3.4 RS-232 Status
    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
      3. 9.2.3 Application Curves
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 接收文档更新通知
    2. 12.2 支持资源
    3. 12.3 Trademarks
    4. 12.4 静电放电警告
    5. 12.5 术语表
  13. 13Mechanical, Packaging, and Orderable Information

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6.9 Electrical Characteristics: Auto-Power Down

over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
PARAMETERTEST CONDITIONSMINMAXUNIT
VT+(valid)Receiver input threshold
for INVALID high-level output voltage		FORCEON = GND,FORCEOFF = VCC2.7V
VT–(valid)Receiver input threshold
for INVALID high-level output voltage		FORCEON = GND,FORCEOFF = VCC–2.7V
VT(invalid)Receiver input threshold
for I NVALID low-level output voltage		FORCEON = GND,FORCEOFF = VCC–0.30.3V
VOHINVALID high-level output voltageIOH = –1 mA, FORCEON = GND,
FORCEOFF = VCC		VCC  – 0.6V
VOLINVALID low-level output voltageIOL = 1.6 mA, FORCEON = GND,
FORCEOFF = VCC		0.4V