ZHCSOD9D October   2005  – July 2024 MAX3221E

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  ESD Ratings - IEC Specifications
    4. 5.4  Recommended Operating Conditions
    5. 5.5  Thermal Information
    6. 5.6  Electrical Characteristics
    7. 5.7  Electrical Characteristics: Driver
    8. 5.8  Electrical Characteristics: Receiver
    9. 5.9  Electrical Characteristics: Auto-Power Down
    10. 5.10 Switching Characteristics: Driver
    11. 5.11 Switching Characteristics: Receiver
    12. 5.12 Switching Characteristics: Auto-Power Down
    13. 5.13 典型特性
  7. 6 Parameter Measurement Information
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Power
      2. 7.3.2 RS-232 Driver
      3. 7.3.3 RS-232 Receiver
      4. 7.3.4 RS-232 Status
    4. 7.4 Device Functional Modes
  9. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
      3. 8.2.3 Application Curves
    3. 8.3 Power Supply Recommendations
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
      2. 8.4.2 Layout Example
  10. 9 Device and Documentation Support
    1. 9.1 接收文档更新通知
    2. 9.2 支持资源
    3. 9.3 Trademarks
    4. 9.4 静电放电警告
    5. 9.5 术语表
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information

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5.8 Electrical Characteristics: Receiver

over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)(2)
PARAMETER TEST CONDITIONS MIN TYP(1) MAX UNIT
VOH High-level output voltage IOH = –1mA VCC  – 0.6 VCC  – 0.1 V
VOL Low-level output voltage IOL = 1.6mA 0.4 V
VIT+ Positive-going input threshold voltage VCC = 3.3V 1.6 2.4 V
VCC = 5V 1.9 2.4
VIT– Negative-going input threshold voltage VCC = 3.3V 0.6 1.1 V
VCC = 5V 0.8 1.4
Vhys Input hysteresis (VIT+  – VIT–) 0.5 V
Ioff Output leakage current EN = VCC ±0.05 ±10 µA
ri Input resistance VI = ±3V to ±25V 3 5 7 kΩ
(1) All typical values are at VCC = 3.3V or VCC = 5V, and TA = 25°C.
(2) Test conditions are C1–C4 = 0.1µF at VCC = 3.3V ± 0.3V; C1 = 0.047µF, C2–C4 = 0.33µF at VCC = 5V ± 0.5V.
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