Patent ID: 11942154
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Computer technology (Electrical engineering)
Classification: CPC G  H | IPC G

Claim 18:
19. A method of operating a nonvolatile memory device, the method comprising:
driving a plurality of word-lines, at least one string selection line, and at least one ground selection line disposed in a first semiconductor layer by a first address decoder,
wherein the first address decoder is disposed in a second semiconductor layer and disposed under a first extension region of a first side of a cell region including a plurality of memory cells in the first semiconductor layer; and
driving the at least one string selection line and the at least one ground selection line by a second address decoder,
wherein the second address decoder is disposed in the second semiconductor layer and disposed under a second extension region of a second side of the cell region opposed to the first side.