METHOD AND APPARATUS FOR PERFORMING DATA PROGRAM USING COARSE WRITING OPERATION AND FINE WRITING OPERATION

摘要

A memory array comprising a plurality of multi-level cells, each of the plurality of multi-level cells storing a plurality of bits and corresponding to a plurality of pages, the data programming method comprising: receiving a write command; Performing coarse writing to change the state of each of the plurality of multilevel cells for the plurality of pages at the same time in response to the write command; And performing a fine write to adjust the state of each of the plurality of multi-level cells simultaneously changed for the plurality of pages.