Patent ID: 11947840
Assignee: MICRON TECHNOLOGY, INC.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 17:
18. An apparatus comprising:
a third die of a memory device;
a second die of the memory device; and
a first die of the memory device, the first die coupled to the second die and the third die, the first die configured to:
receive a first command from a host device, the first command directing the memory device to enter a self-refresh mode;
perform at least one first refresh operation responsive to receipt of the first command; and
transmit a second command to the second die of the memory device responsive to receipt of the first command, the second command relating to at least one second refresh operation;

the second die configured to:
receive the second command from the first die of the memory device;
perform the at least one second refresh operation so as to at least partially overlap the at least one first refresh operation responsive to receipt of the second command; and
transmit a third command to the third die of the memory device responsive to receipt of the second command, the third command relating to at least one third refresh operation;

the third die configured to:
receive the third command from the second die of the memory device; and
perform the at least one third refresh operation so as to at least partially overlap the at least one second refresh operation responsive to receipt of the third command.