MEMORY SYSTEM AND OPERATING METHOD THEREOF
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United States of America Patent
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Mar 1, 2018
app pub date -
Mar 17, 2017
filing date -
Aug 25, 2016
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Abstract
A memory system comprises a memory device including a normal cell region and a redundancy cell region, and a controller suitable for programming data in duplicate in both the normal and the redundancy cell regions, wherein when detecting an error in the data read from the normal cell region, the controller invalidates the data of the normal cell region and validates the data of the redundancy cell region.
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