BRIEF DESCRIPTION OF THE DRAWINGS
FIG. 1 is a block diagram for illustrating an overall structure of a ferroelectric memory according to a first embodiment of the present invention;
FIG. 2 is a circuit diagram showing an internal structure of a sense amplifier of the ferroelectric memory according to the first embodiment shown in FIG. 1;
FIGS. 3 and 4 are voltage waveform diagrams for illustrating operations of the ferroelectric memory according to the first embodiment of the present invention;
FIG. 5 is a voltage waveform diagram for illustrating an experiment conducted for confirming effects of the first embodiment;
FIG. 6 is a graph showing measurement results (changes in quantities of polarization inversion charges) of the experiment conducted for confirming effects of the first embodiment;
FIGS. 7 and 8 are voltage waveform diagrams for illustrating operations of the ferroelectric memory according to a second embodiment of the present invention; and
FIG. 9 is a voltage waveform diagram for illustrating operations of a ferroelectric memory of related art.