Method and system for defining a redundancy window around a...

Details Method and system for defining a redundancy window around a... Method and system for defining a redundancy window around a...

2006-07-11

2006-07-11

Decady, Albert (Department: 2138)

Error detection/correction and fault detection/recovery

Pulse or data error handling

Replacement of memory spare location, portion, or segment

Reexamination Certificate

active

07076703

ABSTRACT:
A method for a memory redundancy, including a memory array typically having a plurality of columns (e.g., bit lines) of memory cells, and identifying a particular (e.g., defective) column of the memory array and further defining a redundancy window by selecting a group of adjacent columns including the defective column. The number of columns in the group of selected columns may be equal to the number of columns in a redundancy array that is coupled to the memory array. The redundancy array is used for storing information that would have been otherwise stored in the memory cells in the redundancy window. The selected group includes at least one column on one side of the defective column and another column on the other side of the defective column. Typically, there will be multiple columns on each side of the defective column.

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