FLASH MEMORY DEVICE AND METHOD OF OPERATING THE SAME

摘要

A flash memory device and a method of operating the same are provided to enable a multi level cell flash memory device to operate without a flag cell indicating a program state. A memory cell array includes more than one block(320) including a number of pages. A controller(310) judges whether all pages of the block are programmed according to a read command, and performs the read command after performing dummy data program of a page, if the page which is not programmed exists. The controller includes a storing unit storing dummy data for dummy data program.