TIDUDI9A
January 2018 – May 2025
ISOM8610
1
Description
Resources
Features
Applications
6
1
System Description
1.1
Key System Specifications
2
System Overview
2.1
Block Diagram
2.2
Highlighted Products
2.2.1
ISO121x
2.2.2
SN74LV165A
2.2.3
SN74LVC1GU04
2.2.4
TVS3300
2.2.5
ISOM8600
2.3
System Design Theory
2.3.1
Digital Input Stage
2.3.2
Broken Wire Detection
2.3.2.1
Case 1: Wire Intact and Input State '1'
2.3.2.2
Case 2: Wire Intact and Input State '0'
2.3.2.3
Case 3: Broken Wire
2.3.3
Readout of Digital Outputs
3
Hardware, Software, Testing Requirements, and Test Results
3.1
Required Hardware and Software
3.1.1
Hardware
3.1.2
Software
3.2
Testing and Results
3.2.1
Test Setup
3.2.2
Test Results
3.2.2.1
Group-Channel Configuration
3.2.2.2
Single-Channel Configuration
3.2.3
Conclusion
4
Design Files
4.1
Schematics
4.2
Bill of Materials
4.3
PCB Layout Recommendations
4.3.1
Layout Prints
4.4
Altium Project
4.5
Gerber Files
4.6
Assembly Drawings
5
Software Files
6
Related Documentation
6.1
Trademarks
7
About the Author
7.1
Acknowledgments
8
Revision History
Design Guide
Broken Wire Detection Using an Opto-emulator Switch Reference Design