ZHCSCJ8E June   2014  – April 2019 SN65HVD1470 , SN65HVD1471 , SN65HVD1473 , SN65HVD1474 , SN65HVD1476 , SN65HVD1477

PRODUCTION DATA.  

  1. 1 特性
  2. 2 应用
  3. 3 说明
    1.     Device Images
      1.      方框图
  4. 4 修订历史记录
  5. 5 Device Comparison Table
  6. 6 Pin Configuration and Functions
    1.     Pin Functions — SOIC-8 and MSOP-8
    2.     Pin Functions — MSOP–10
    3.     Pin Functions — SOIC-14
  7. 7 Specifications
    1. 7.1  Absolute Maximum Ratings
    2. 7.2  ESD Ratings
    3. 7.3  Recommended Operating Conditions
    4. 7.4  Thermal Information — D Packages
    5. 7.5  Thermal Information — DGS and DGK Packages
    6. 7.6  Power Dissipation
    7. 7.7  Electrical Characteristics
    8. 7.8  Switching Characteristics — 400 kbps
    9. 7.9  Switching Characteristics — 20 Mbps
    10. 7.10 Switching Characteristics — 50 Mbps
    11. 7.11 Typical 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
      1. 9.4.1 Equivalent Circuits
  10. 10Application and Implementation
    1. 10.1 Application Information
    2. 10.2 Typical Application
      1.      Master Enable Control
      2.      Slave Enable Control
      3. 10.2.1 Design Requirements
        1. 10.2.1.1 Data Rate and Bus Length
        2. 10.2.1.2 Stub Length
        3. 10.2.1.3 Bus Loading
        4. 10.2.1.4 Receiver Failsafe
        5. 10.2.1.5 Transient Protection
      4. 10.2.2 Detailed Design Procedure
      5. 10.2.3 Application Curves
  11. 11Power Supply Recommendations
  12. 12Layout
    1. 12.1 Layout Guidelines
    2. 12.2 Layout Example
  13. 13器件和文档支持
    1. 13.1 器件支持
      1. 13.1.1 第三方产品免责声明
    2. 13.2 相关链接
    3. 13.3 接收文档更新通知
    4. 13.4 社区资源
    5. 13.5 商标
    6. 13.6 静电放电警告
    7. 13.7 术语表
  14. 14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

10.2.2 Detailed Design Procedure

In order to protect bus nodes against high-energy transients, the implementation of external transient protection devices is therefore necessary. Figure 37 shows a protection circuit against 16-kV ESD, 4-kV EFT, and 1-kV surge transients.

SN65HVD1470 SN65HVD1471 SN65HVD1473 SN65HVD1474 SN65HVD1476 SN65HVD1477 transient_protection_sllsej8.gifFigure 37. Transient Protection Against ESD, EFT, and Surge transients

Table 6. Bill of Materials

DEVICE FUNCTION ORDER NUMBER MANUFACTURER
XCVR 3.3-V, full-duplex RS-485 transceiver SN65HVD147xD TI
R1 10-Ω, pulse-proof thick-film resistor CRCW0603010RJNEAHP Vishay
R2
TVS Bidirectional 400-W transient suppressor CDSOT23-SM712 Bourns