Patent ID: 11923013
Assignee: KIOXIA CORPORATION
Field: Computer technology (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 16:
17. An operation method of a semiconductor storage device that comprises a controller die configured to generate a first command set and a second command set and a stack of memory dies, each of which includes a first memory plane including a plurality of first memory blocks and a second memory plane including a plurality of second memory blocks, the method comprises:
starting a first write sequence for one of the first memory blocks in response to the first command set designating the one of the first memory blocks; and
starting a second write sequence for one of the second memory blocks in response to the second command, set designating the one of the second memory blocks;
wherein, in each of the memory dies, at least part of the second write sequence is performed while the first write sequence is being performed.