Redundant memory array for replacing memory sections of main memory
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United States of America Patent
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Feb 8, 2011
Grant Date -
Apr 22, 2010
app pub date -
Oct 21, 2008
filing date -
Oct 21, 2008
priority date (Note) -
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Abstract
Memories and methods for replacing memory sections of a main memory array by mapping memory addresses for an entire main memory section to at least one memory section of a redundant memory array. One such memory includes a fuse block having programmable elements configured to be programmed to identify main memory sections to be mapped to redundant memory sections of the redundant memory array. The memory further includes a redundant memory logic circuit coupled to the redundant memory array and the fuse block. The redundant memory logic is configured to map the memory for a main memory section identified in the fuse block to at least one of the redundant memory sections of the redundant memory array.
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