| 摘要 |
A non-volatile flip flop according to the invention comprising: a flip flop section ( 4 ) having a pair of memory nodes ( 5, 6 ) for storing a pair of inverse logic data elements; and a pair of non-volatile resistance change elements ( 11, 12 ) which are connected to the pair of memory nodes ( 5, 6 ) through switching elements ( 9, 10 ) respectively and the resistances of which vary so as to be retainable, wherein, in a store operation, the resistances of the pair of non-volatile resistance change elements ( 11, 12 ) can be varied according to the respective potentials of the pair of memory nodes ( 5, 6 ) and, in a recall operation, the pair of memory nodes ( 5, 6 ) can be placed at potentials respectively according to the difference in resistance between the pair of non-volatile resistance change elements ( 11, 12 ).
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