US 2026/0010470 A1 · MEMORY SYSTEM AND METHOD

Abstract

A memory system includes a non-volatile memory including one memory die; and a controller coupled to the non-volatile memory and a host including a plurality of submission queues. The controller includes a first command queue corresponding to the memory die and a second command queue corresponding to the memory die. The controller is configured to: retrieve a first command from a first one of the submission queues; determine whether a second command retrieved from the first submission queue before the first command is retrieved is stored in the second command queue; when the second command is stored in the second command queue, store the first command retrieved from the first submission queue in the first command queue; and when the second command is not stored in the second command queue, store the first command retrieved from the first submission queue in the second command queue.

Claims20

Dependent claims

A memory system comprising:

a non-volatile memory including at least one memory die;
and
a controller including a first command queue corresponding to the at least one memory die and a second command queue corresponding to the at least one memory die, the controller being operatively coupled to the non-volatile memory and to a host that includes a plurality of submission queues, each of the plurality of submission queues configured to store a plurality of commands, wherein
the controller is configured to:
retrieve a first command from a first submission queue of the plurality of submission queues;
determine whether a second command retrieved from the first submission queue before the first command is retrieved is stored in the second command queue;
when the second command is stored in the second command queue, store the first command retrieved from the first submission queue in the first command queue;
and
when the second command is not stored in the second command queue, store the first command retrieved from the first submission queue in the second command queue.

6 more elements

A method of controlling a non-volatile memory that includes at least one memory die, comprising:

managing a first command queue corresponding to the at least one memory die and a second command queue corresponding to the at least one memory die;
communicating with a host that includes a plurality of submission queues, each of the plurality of submission queues configured to store a plurality of commands;
retrieving a first command from a first submission queue of the plurality of submission queues;
determining whether a second command retrieved from the first submission queue before the first command is retrieved is stored in the second command queue;
when the second command is stored in the second command queue, storing the first command retrieved from the first submission queue in the first command queue;
and
when the second command is not stored in the second command queue, storing the first command retrieved from the first submission queue in the second command queue.

4 more elements

Dependencies are inferred from the claim text.

Memory system and method

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Memory system and method

Life of this patent

Abstract

Claims20