US Patent 7568175 Ramptime propagation on designs with cycles
Patent 7568175 was granted and assigned to LSI Corporation on July, 2009 by the United States Patent and Trademark Office.
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Patent abstract
A method and apparatus for calculating ramptime propagation for integrated circuit layout patterns having pins interconnected in an oriented graph in one or more closed loops is described. Ramptime values are calculated for a first set of the pins, which are not connected to a closed loop while leaving a second set of the pins with unknown ramptime values. One or more closed loops are identified by backtracking from the pins in the second set with unknown ramptime values. A ramptime value for each pin in the one or more closed loops is calculated iteratively.
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US Patent 07568175 Ramptime propagation on designs with cycles US Patent 7568175 Ramptime propagation on designs with cycles
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Patent Number
0756817500
Patent Number
756817500
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Official Website
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
075681750
Date of Patent
July 28, 2009
0Patent Application Number
117572290
Date Filed
June 1, 2007
0Official Website
Patent Primary Examiner
Edits on 28 Sep, 2022
Golden AI
Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
075681750
Date of Patent
July 28, 2009
0Patent Application Number
117572290
Date Filed
June 1, 2007
0Official Website
Patent Primary Examiner
Edits on 18 Jun, 2022
Golden AI
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Edits on 2 Dec, 2021
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US Patent 07568175 Ramptime propagation on designs with cycles
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07568175
Date of patent
July 28, 2009
Patent application number
11757229
Date Filed
June 1, 2007
Patent primary examiner
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