SLLSF68 September   2019 THVD1505

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
    1.     Device Images
      1.      Typical Network Application With Polarity Correction (POLCOR)
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
    1.     Pin Functions
  6. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 ESD Ratings [IEC]
    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 Bus Polarity Correction
        1. 8.3.1.1 Passive Polarity Definition Using Fail-Safe Biasing Network
        2. 8.3.1.2 Active Polarity Definition by the Master Node
    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 Fail-Safe Biasing for Passive Polarity Definition
      4. 9.1.4 Cable Length Versus Data Rate
      5. 9.1.5 Stub Length
      6. 9.1.6 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. 12Device and Documentation Support
    1. 12.1 Device Support
      1. 12.1.1 Third-Party Products Disclaimer
    2. 12.2 Receiving Notification of Documentation Updates
    3. 12.3 Community Resources
    4. 12.4 Trademarks
    5. 12.5 Electrostatic Discharge Caution
    6. 12.6 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

8.4 Device Functional Modes

Table 1. Driver Pin Functions

INPUT ENABLE OUTPUTS DESCRIPTION
D DE A B
NORMAL MODE
H H H L Actively drives bus high
L H L H Actively drives bus low
X L Z Z Driver disabled
X OPEN Z Z Driver disabled by default
OPEN H H L Actively drives bus high
POLARITY-CORRECTING MODE
H H L H Actively drives bus low
L H H L Actively drives bus high
X L Z Z Driver disabled
X OPEN Z Z Driver disabled by default
OPEN H L H Actively drives bus low

Table 2. Receiver Pin Functions

DIFFERENTIAL INPUT ENABLE OUTPUT DESCRIPTION
VID = VA – VB RE DE R
VID > VIT+ L X H Receive valid bus high
VIT- > VID L X L during tFS
H after tFS 		Receive valid bus low if lasting for less than tFS, polarity correcting if lasting for more than tFS
X H X Z Receiver disabled
X OPEN X Z Receiver disabled
Open, short or VIT+ > VID > VIT- L X H after tFS Receiver fail-safe high