Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
January 29, 2008
Patent Application Number
10020447
Date Filed
December 18, 2001
Patent Primary Examiner
Patent abstract
A look-ahead carry adder circuit has multiple stages that are grouped into a carry generation blocks. The size of one of the carry generation blocks is three stages. There may be other carry generation blocks that are of a size that is a whole number multiple of three stages. In an embodiment, the look-ahead carry adder has only one critical path. In a further embodiment, the load on the critical path is minimized by using buffers.
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