STORAGE DEVICE AND DATA STORAGE SYSTEM INCLUDING OF THE SAME

摘要

PURPOSE: A storage device and a data storing system having the same are provided to differently form a storage area according to the property of data inputted from the outside by comprising two memories of different structures in the storage device. CONSTITUTION: A memory cell array(120) stores a first data(D1) or a second data(D2) offered from a controller unit(110). The memory cell array comprises a first memory(121) and a second memory(123). The first memory is formed in a charge trap flash structure. The second memory is formed in a floating gate structure.