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Constraint Management

A fully integrated, constraint-driven design methodology

Technical Specifications

  • Powerful and easy-to-use spreadsheet-like GUI guided by the design database and cross probing to applications
  • Hierarchical constraint entry speeds input of complex rules on many objects
  • Architecture allows multiple simultaneous edits using locking mechanisms to prevent concurrent users from editing the same data
  • Speeds time-to-market with informal and formal constraint reuse, concurrent constraint entry, and editing
  • Improves design productivity with embedded applications allowing in-tool constraint editing
  • Users can create a topology and associated constraints with virtual pins or they can use the more sophisticated automatic topologies
  • Provides easy to use functions for finding invalid model assignments, model overrides or mismatches between device and model information
  • Preserves rules throughout the flow for net renames, connectivity additions/removals, pin and/or gate swaps and stack-up changes
  • Users can easily create differential pairs using common naming conventions, wild card searches on net names, and information from interactive selection of pairs of nets across the entire design
  • Stack-up properties can be viewed and modified to plan for proper impedance matching
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