ZHCSSR6B August   2023  – April 2024 THVD4431

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]
    4. 5.4  Recommended Operating Conditions
    5. 5.5  Thermal Information
    6. 5.6  Power Dissipation
    7. 5.7  Electrical Characteristics
    8. 5.8  Switching Characteristics_RS-485_500kbps
    9. 5.9  Switching Characteristics_RS-485_20Mbps
    10. 5.10 Switching Characteristics, Driver_RS232
    11. 5.11 Switching Characteristics, Receiver_RS232
    12. 5.12 Switching Characteristics_MODE switching
    13. 5.13 Switching Characteristics_RS-485_Termination resistor
    14. 5.14 Switching Characteristics_Loopback mode
    15. 5.15 Typical Characteristics
  7. 6 Parameter Measurement Information
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagrams
    3. 7.3 Feature Description
      1. 7.3.1 Integrated IEC ESD and EFT Protection
      2. 7.3.2 Protection Features
      3. 7.3.3 RS-485 Receiver Fail-Safe Operation
      4. 7.3.4 Low-Power Shutdown Mode
      5. 7.3.5 On-chip Switchable Termination Resistor
      6. 7.3.6 Operational Data Rate
      7. 7.3.7 Diagnostic Loopback
      8. 7.3.8 Integrated Charge pump for RS-232
    4. 7.4 Device Functional Modes
      1. 7.4.1 RS-485 Functionality
      2. 7.4.2 RS-232 Functionality
      3. 7.4.3 Mode Control
  9. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
        1. 8.2.1.1 Data Rate and Bus Length for RS-485
        2. 8.2.1.2 Stub Length for RS-485 Network
        3. 8.2.1.3 Bus Loading for RS-485 Network
      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 Device Support
      1. 9.1.1 第三方米6体育平台手机版_好二三四免责声明
    2. 9.2 接收文档更新通知
    3. 9.3 支持资源
    4. 9.4 Trademarks
    5. 9.5 静电放电警告
    6. 9.6 术语表
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information

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

8.2.3 Application Curves

GUID-20231107-SS0I-TLJ6-DCMJ-B9VBCRH4LHGV-low.png
VCC = 5 V Bus Load = 5 kΩ||2.5 nF
250 kbps SLR = VIO
Figure 8-6 RS-232 Driver Waveform at 250kbps and VCC = 5 V
GUID-20231107-SS0I-QR77-WGQF-KBDP1XQJVHGB-low.png
VCC = 3.3 V Bus Load = 5 kΩ||2.5 nF
250 kbps SLR = VIO
Figure 8-8 RS-232 Driver Waveform at 250kbps and VCC = 3.3 V
GUID-20231107-SS0I-B6JG-P2P3-DRZFSJJPBTWN-low.png
VCC = 5 V Bus Load = 54 Ω||50 pF
SLR = VIO Square wave at 500 kbps
Figure 8-10 RS-485 Driver Waveform at 500 kbps and VCC = 5 V
GUID-20231107-SS0I-XJZL-62PV-VNN2S0G2MP0Q-low.png
VCC = 5 V L3 = 1 Mbps square wave
SLR = GND MODE1 toggled at 10 khz
Figure 8-12 RS-232 to RS-485 Mode Switching Waveform
GUID-20231107-SS0I-NWMQ-56SG-0KCGX9QWXVH8-low.png
VCC = 5 V Bus Load = 5 kΩ||1 nF
1 Mbps SLR = GND
Figure 8-7 RS-232 Driver Waveform at 1Mbps and VCC = 5 V
GUID-20231107-SS0I-L65T-L7GL-FNPZHGJC82P9-low.png
VCC = 3.3 V RL = 5 kΩ||1 nF
1 kbps SLR = GND
Figure 8-9 RS-232 Driver Waveform at 1Mbps and VCC = 3.3 V
GUID-20231107-SS0I-RSV4-GXHS-CJFQP6R7HCF6-low.png
VCC = 5 V Bus Load = 54 Ω||50 pF
SLR = GND Square wave at 20 kbps
Figure 8-11 RS-485 Driver Waveform at 20 Mbps and VCC = 5 V
GUID-20231107-SS0I-SFTK-WM6P-KDLJJWCRDR34-low.png
VCC = 5 V L3 = GND
SHDN toggled
Figure 8-13 Mode Switching Waveform From Shutdown to RS-232 Mode
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