Memory system and memory controller
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United States of America Patent
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Jan 3, 2023
Grant Date -
Dec 2, 2021
app pub date -
Dec 10, 2020
filing date -
Jun 2, 2020
priority date (Note) -
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status (Latency Note)
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Abstract
A memory system includes a first memory cell array which is a nonvolatile memory cell array, a controller configured to control read and write of data, a first data latch group used for input and output of the data between the controller and the first memory cell array, and at least one second data latch group in which stored data is maintained when the data is read from the first memory cell array by the controller. The controller is configured to store management information in the at least one second data latch group when or before executing a read process for the data from the first memory cell array, the management information being in a second memory cell array and used for read of the data.
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