Memory system and method for controlling nonvolatile memory
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United States of America Patent
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Jan 9, 2024
Grant Date -
Jul 13, 2023
app pub date -
Mar 17, 2023
filing date -
Apr 16, 2018
priority date (Note) -
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status (Latency Note)
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Abstract
According to one embodiment, a memory system stores write data received from a host to a shared write buffer for write destination blocks, acquires first write data for plural pages from the shared write buffer, and writes the first write data to a first write destination block by a first-step write operation. When receiving write data from the host in a state in which an empty region does not exist in the shared write buffer, the memory system discards write data in the shared write buffer in which the first-step write operation has been finished. In a case where the first write data do not exist in the shared write buffer when a second-step write operation of the first write data is to be executed, the memory system transmits a request to acquire the first write data to the host.
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