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Excellicon Provides Multiple Techniques for Timing Constraints Promotion or Demotion
Excellicon Inc. an innovative provider of end-to-end timing constraints and clock analysis products announced several options for propagating timing constraints up or down the hierarchy. Excellicon products now provide three techniques for promotion and/or demotion of timing constraints. First is the integration method often used for cases where the IP timing constraints continue to change, second isolation method where the timing constraints are selectively isolated as implied, and third is the In-Context technique for incremental propagation of timing constraints as defined and directed by the designer.
Most of the propagation of constraints today is done using manual methods of manipulating hierarchy delimiters. This technique increases the risk of error introduction and missed constraints during the editing process. The available tools in the market simply add a layer of checking for assurance that adds additional work for the designer to ensure the work is done properly. Excellicon multi-propagation capabilities not only automates the process savings weeks of designer manual editing but also provides a great deal of flexibility for the designer to deal with any situation they may encounter as they attempt to generate proper top level constraints or produce lower level constraints from top level constraints which are often done for new design revisions.
“The promotion and demotion of constraints have been stuck in the stone ages for many many years up until recent years when Excellicon introduced its database of timing constraints. The promotion and demotion of timing constraints are all a natural by-product of our technology where the constraints are made available to all layers of hierarchy as the design is initially analyzed. Once the database has the necessary information the user can intelligently promote or demote timing constraints based on their requirements using any of the techniques provided in the Excellicon products. ” said Peter Petrov, Excellicon’s CTO.
Excellicon is an innovative provider of end-to-end Timing Constraints Analysis and Debugging solutions for the automation of constraints authoring, completion, and validation from RTL to GDS with innovative analysis and debugging infrastructures. Excellicon products ConstraintsManager, ConstraintsCerTifier, Exception ToolBox (ET), and ConDor address the needs of designers at every stage of SOC design and implementation in a unified environment. – Timing Closure; Done Once! Done Right!
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