Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
July 28, 2009
Patent Application Number
11616573
Date Filed
December 27, 2006
Patent Primary Examiner
Patent abstract
The present invention relates to a system and method for providing redundancy in a hierarchically memory, by replacing small blocks in such memory. The present invention provides such redundancy (i.e., replaces such small blocks) by either shifting predecoded lines or using a modified shifting predecoder circuit in the local predecoder block. In one embodiment, the hierarchal memory structure includes at least one active predecoder adapted to be shifted out of use; and at least one redundant predecoder adapted to be shifted in to use.
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