Patent ID: 11940862
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Computer technology (Electrical engineering)
Classification: CPC G  Y | IPC G

Claim 11:
12. A storage device comprising:
a plurality of nonvolatile memory devices; and
a storage controller configured to perform an operation on the plurality of nonvolatile memory devices in response to a command from an external host device, wherein the storage controller comprises:
a physical layer configured to communicate with the external host device based on a nonvolatile memory express (NVMe) interface;
a command fetching block configured to fetch the command from a submission queue of the external host device through the physical layer based on a first clock;
a control block configured to execute the command based on a second clock;
a completion block configured to write completion information in a completion queue of the external host device through the physical layer based on a third clock; and
a clock managing block configured to generate the first to third clocks based on a reference clock and configured to manage the first to third clocks based on statuses of the command fetching block, the control block, and completion block, respectively.