OrCAD X Resources

Now, currently the members of that Net class have default spacing to other nets. We need to change that to the spacing constraint set we created instead SCS_DIFF. 59 www.cadence.com OrCAD X Constraint Management Guide

• Cover
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• Part 5 – Project Example in OrCAD X
• Hardware Design Project
• Modern Hardware Design Process
• Organize the Nets
• Define Net Classes
• Define Net Groups
• Decide On Constraint Regions
• Setting Spacing Regions
• Schematic Constraints Overview
• Electrical Constraints
• Physical Constraints
• Physical Constraint Set
• Applied Constraint Set
• Spacing Constraints
• Spacing Constraint Set
• Electrical Properties
• PCB Constraints Overview
• PCB Stack up
• Opening The Constraint Manager (PCB Side)
• All Constraints for Analysis
• Applying Standard PCB Constraints
• Trace Width
• Differential Pairs
• Physical Region
• Applying High-Speed and Advanced Constraints
• Advanced Constraints Application
•  Advanced Electrical Constraints
• Wiring topology
• Stub Length (Max Stub Length)
• Maximum Exposed Length
• Maximum parallel trace length
• Layer restrictions
• Maximum via count
• Characteristic impedance
• Propagation delay modeling
• Total etch length limits
• Differential pair rules
• Relative signal velocity
• Return path management
•  Advanced Physical Constraints
• Trace Width
• Differential Pair Advanced Physical Constraints
•  Advanced Spacing Constraints
• Class-to-Class Spacing for Differential Pairs to Differential Pairs Spacing
• Constraint Region
•  Advanced Same Net Spacing Constraints
•  Advanced Manufacturing Constraints
• Design for Fabrication Constraints
• Design for Assembly Constraints
• Design for Test Constraints
•  Advanced 3D Constraints
• Component to Component
• Component to Board
• Component to Rigid-Flex
• Component to Board Edge
•  Advanced Properties
• Electrical Properties
• General Properties
• Route/Vias Keepout Exception
• Component Properties – General
• Component Properties – Thermal
• Component Properties – Swapping
• Component Properties – Reuse
• Pin Properties – General
• Pin Properties – Shapes
• Pin Properties – Manufacturing
•  Advanced DRCs
• Constraint Analysis
• Final Constraint Design Rule Check
• Board Simulation (Impedance and Crosstalk Analysis Using Sigrity X Aurora)
• Impedance Workflow
• Coupling Analysis for Crosstalk
• Conclusion of Part 5 - Project Example
• Conclusion - Next Steps
• Appendix