Storage device

摘要

A storage device is provided. The storage device includes a number of storage cells arranged and each having a storage element and an active element including a MOS transistor that controls access to the storage element, and in which applying a voltage to the storage element the resistance value of the storage element changes and information is recorded wherein the resistance value of a storage element after information has been written is prevented from becoming lower than necessary and in which information writing can be easily performed.