Patent ID: 8875082
Filing Date: 2014-10-28
Classification: G06F

Abstract:
1. A physically-aware timing signoff system for detecting and responsively prescribing physical corrections for timing violations in an electronic circuit design defined by physical implementation data, the system comprising: a timing analysis module receiving physical implementation data generated and optimized in timing by a placement and routing implementation tool, said timing analysis module executing operational timing analysis according to a plurality of predefined operational views the physical implementation data, said timing analysis module identifying a defective portion of the physical implementation data responsive to detection of an operational timing defect in any of the operational views, said timing analysis module generating timing data including, for the operational views, the identification of each said defective portion detected therein; a data reduction module coupled to said timing analysis module, said data reduction module defining, for each said defective portion, a region of the physical implementation data identified to be impacted by corrective action within a selectable parametric node depth thereof, said data reduction module selectively extracting a portion of the timing data corresponding to each said region of the physical implementation data to generate reduced timing data; and, a signoff correction module coupled to said data reduction module to execute an optimization engine on the reduced timing data and prescribe a corrective physical modification upon a corresponding one of said regions of physical implementation data, said correction module generating and transmitting a change order for at least one operational timing defect to the placement and routing implementation tool, the change order including said corrective physical modification for updated physical implementation of the electronic circuit design.