Block repair scheme

摘要

Systems, memory arrays and methods (e.g., methods of block repair) are provided. One such system includes a memory array including a memory bank including a plurality of sections, wherein each of the plurality of sections includes at least one redundant row. Further embodiments provide for mapping non-redundant rows associated with a section associated with a block failure to distributed redundant rows.

主权项

1. A memory array comprising:
a memory bank comprising a plurality of sections, wherein each of the plurality of sections comprises a plurality of blocks, redundant rows, and non-redundant rows, wherein a total number of redundant rows in the plurality of sections is equal to or greater than a number of non-redundant rows comprised in a bad section of the memory array to enable the non-redundant rows in the bad section to the redundant rows in two or more sections in the plurality of sections.