Patent ID: 8369128

Claim:
A storage device comprising: a storage element including a pair of electrodes and into which information is recorded by applying a voltage to the electrodes; a switching element that has a first input/output terminal, a second input/output terminal and a control terminal, in which the first input/output terminal is connected to one of the electrodes of the storage element; a first power source supplying a first voltage to the other one of the electrodes of the storage element; a second power source supplying a second selection-use voltage to the control terminal of the switching element; and an adjustment means that includes a third power source supplying a third voltage to the second input/output terminal of the switching element, the third power source configured to supply the third voltage as at least three different voltage values in recording the information on the storage element, wherein the adjustment means selects a voltage value of the third voltage from among the at least three different voltage values.