| 摘要 |
The present invention provides a method of driving a nonvolatile flip-flop circuit comprising the following steps of: a data hold step of holding an input data signal D utilizing polarization of a ferroelectric material of a ferroelectric gate transistor ( 601 ) when the data signal D is input while a first clocked inverter ( 604 ), a second clocked inverter ( 603 ), and a third switching element ( 602 ) are turned on and a first switching element ( 605 ), a second switching element ( 607 ), and a third clocked inverter ( 608 ) are turned off; and a data output step of outputting an output signal Q (-Q) based on the held data signal D placing the first clocked inverter ( 604 ), the second clocked inverter ( 603 ), and the third switching element ( 602 ) in the OFF state and placing the first switching element ( 605 ), the second switching element ( 607 ), and the third clocked inverter ( 608 ) in the ON state so as to interrupt an input of a data signal and maintain a polarization state of the ferroelectric material of the ferroelectric gate transistor ( 601 ).
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