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Ferroelectric random access memory

Image Number 2 for United States Patent #6611450.

A ferroelectric random access memory is disclosed, which comprises a cell array including a plurality of memory cells each having a ferroelectric memory device and a cell selecting transistor connected in series to the ferroelectric storage device, and imprint restricting circuit configured to restrict generation of an imprint by setting a polarization amount of a ferroelectric film of the ferroelectric memory device in the memory cell to an amount smaller than a polarization amount generated at a normal write time.

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