Patent ID: 11887679
Assignee: YANGTZE MEMORY TECHNOLOGIES CO., LTD.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 0:
1. A programming method for a NAND flash memory device, comprising:
programming a selected page of the NAND flash memory device according to programming data, wherein the selected page comprises a plurality of memory cells corresponding to a word line, the programming of the selected page comprising:
a plurality of programming operations using a plurality of programming voltages; and
a plurality of verifying operations, wherein ones of the plurality of verifying operations are performed after corresponding ones of the plurality of programming operations to determine whether programmed memory cells of the selected page have threshold voltage levels according to the programming data;

determining a completion of the programming of the selected page based on each of the plurality of verifying operations returning a pass result; and
performing, after the determining, a read operation on the selected page by the NAND flash memory device to self-verify data stored at the selected page according to the programming data.