发明申请
US20100202199A1 TRACKING CELLS FOR A MEMORY SYSTEM 有权
跟踪记忆系统的细胞

TRACKING CELLS FOR A MEMORY SYSTEM
摘要:
Tracking cells are used in a memory system to improve the read process. The tracking cells can provide an indication of the quality of the data and can be used as part of a data recovery operation if there is an error. The tracking cells provide a means to adjust the read parameters to optimum levels in order to reflect the current conditions of the memory system. Additionally, some memory systems that use multi-state memory cells will apply rotation data schemes to minimize wear. The rotation scheme can be encoded in the tracking cells based on the states of multiple tracking cells, which is decoded upon reading.
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