Patent ID: 11915763
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G  H

Claim 7:
8. An operating method of a nonvolatile memory device, the operation method comprising:
receiving a first read command from a memory controller, when power is recovered from sudden power-off;
reading a state group code in response to the first read command, wherein the state group code includes a plurality of state group data;
receiving a second read command from the memory controller;
reading multi-page data, including a plurality of multi-bit data which are preprogrammed, from a plurality of first memory cells connected to a first word line of the nonvolatile memory device, based on the state group code, in response to the second read command; and
reprogramming the multi-page data to a plurality of second memory cells included in the nonvolatile memory device,
wherein each of the plurality of state group data has less number of bits than a corresponding one of a plurality of multi-bit data of the multi-page data.