SLAS638A January   2009  – October 2015 SN65HVS885

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  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 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 Timing Requirements
    7. 6.7 Switching Characteristics
    8. 6.8 Typical Characteristics
  7. 7 Parameter Measurement Information
    1. 7.1 Waveforms
    2. 7.2 Signal Conventions
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Digital Inputs
      2. 8.3.2 Debounce Filter
      3. 8.3.3 Shift Register
      4. 8.3.4 Temperature Sensor
    4. 8.4 Device Functional Modes
  9. 9 Application and Implementation
    1. 9.1 Application Information
      1. 9.1.1 System-Level EMC
      2. 9.1.2 Input Channel Switching Characteristics
      3. 9.1.3 Digital Interface Timing
      4. 9.1.4 Cascading for High Channel Count Input Modules
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
        1. 9.2.2.1 Input Stage
        2. 9.2.2.2 Setting Debounce Time
        3. 9.2.2.3 Using the HOT Indicator
        4. 9.2.2.4 Example: High-Voltage Sensing Application
      3. 9.2.3 Application Curve
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Community Resources
    2. 12.2 Trademarks
    3. 12.3 Electrostatic Discharge Caution
    4. 12.4 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

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11 Layout

11.1 Layout Guidelines

  1. Place series MELF resistors between the field inputs and the device input pins.
  2. Place small ~22 nF capacitors close to the field input pins to reduce noise.
  3. Place a supply buffering 0.1-µF capacitor around as close to the VCC pin as possible.

11.2 Layout Example

SN65HVS885 layout_example_slas638.gif