FLASH MEMORY DEVICE AND MEMORY SYSTEM INCLUDING THE SAME

摘要

PURPOSE: A flash memory device and a memory system including the same are provided to de-randomize the randomized data and randomize data to be programmed by applying seeds allocated in a page to access requested segments. CONSTITUTION: A page buffer circuit(400) reads or writes data from or in the selected page of a memory cell array. A randomizing and de-randomizing circuit(600) randomizes and de-randomizes data transmitted from the page buffer circuit based on a seed allocated in the selected page. The selected page is composed of a plurality of segments.