ZHCSB94C July   2013  – January 2018 SN65HVD888

PRODUCTION DATA.  

  1. 1 特性
  2. 2 应用
  3. 3 说明
    1.     Device Images
      1.      支持极性纠正 (POLCOR) 的典型网络应用
  4. 4 修订历史记录
  5. 5 Pin Configuration and Functions
    1.     Pin Functions
  6. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings: JEDEC Specifications
    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 Power Dissipation Characteristics
    8. 6.8 Switching Characteristics
    9. 6.9 Typical Characteristics
  7. 7 Parameter Measurement information
    1. 7.1 Driver
    2. 7.2 Receiver
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Low-Power Standby Mode
      2. 8.3.2 Bus Polarity Correction
    4. 8.4 Device Functional Modes
  9. 9 Application and Implementation
    1. 9.1 Application Information
      1. 9.1.1 Device Configuration
      2. 9.1.2 Bus Design
      3. 9.1.3 Cable Length Versus Data Rate
      4. 9.1.4 Stub Length
      5. 9.1.5 3- to 5-V Interface
      6. 9.1.6 Noise Immunity
      7. 9.1.7 Transient Protection
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
      3. 9.2.3 Application Curve
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
      1. 11.1.1 Design and Layout Considerations For Transient Protection
    2. 11.2 Layout Example
  12. 12器件和文档支持
    1. 12.1 器件支持
      1. 12.1.1 Third-Party Products Disclaimer
    2. 12.2 Receiving Notification of Documentation Updates
    3. 12.3 Community Resources
    4. 12.4 商标
    5. 12.5 静电放电警告
    6. 12.6 Glossary
  13. 13机械、封装和可订购信息

封装选项

机械数据 (封装 | 引脚)
散热焊盘机械数据 (封装 | 引脚)
订购信息

8.1 Overview

The SN65HVD888 device is a half-duplex RS-485 transceiver suitable for data transmission at rates up to 250 kbps over controlled-impedance transmission media (such as twisted-pair cabling). The device features a high level of internal transient protection, making it able to withstand up ESD strikes up to 12 kV (per IEC 61000-4-2) and EFT transients up to 4 kV (per IEC 61000-4-4) without incurring damage. Up to 256 units of SN65HVD82 may share a common RS-485 bus due to the device’s low bus input currents. The device features automatic polarity correction, which detects bus mis-wirings at start-up and then swaps the A and B halves of the bus if needed.