Memory system and operating method thereof
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United States of America Patent
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Jan 17, 2023
Grant Date -
Jan 7, 2021
app pub date -
Feb 27, 2020
filing date -
Jul 5, 2019
priority date (Note) -
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status (Latency Note)
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Abstract
A memory system includes: a memory device; a first queue suitable for queuing commands received from a host; a second queue suitable for enqueuing the commands from the first queue and dequeuing the commands to the memory device according to the FIFO scheme; and a processor suitable for: delaying enqueuing a read command into the second queue until the program operation is successfully performed when a logical address of a write command, in response to which a program operation is being performed, is the same as a logical address corresponding to the read command enqueued in the first queue; and determining whether or not to enqueue a subsequent read command, which is enqueued in the first queue after the read command, into the second queue.
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