Storage device and operating method thereof
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United States of America
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Mar 18, 2025
Grant Date -
Aug 8, 2024
app pub date -
Sep 27, 2023
filing date -
Sep 27, 2023
priority date (Note) -
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Abstract
A storage device is provided. The storage device includes: a first non-volatile memory including a plurality of cell strings storing a plurality of logical address values and a plurality of physical address values; a second non-volatile memory including a plurality of memory cells corresponding to the plurality of physical address values; and a storage controller configured to read a first physical address value from the first non-volatile memory based on a first logical address value, and control a read operation on the second non-volatile memory based on the first physical address value. A first cell string among the plurality of cell strings includes: a plurality of first memory cells storing the first logical address value and respectively connected to word lines in a first group; and at least one second memory cell storing the first physical address value and connected to at least one word line in a second group.
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