Abstract
A nonvolatile flip-flop (NV-FF) that makes it possible to minimize the backup energy before power-off is proposed. The use of a self-terminated write driver with continuous voltage monitoring enables automatic write-current termination to be performed immediately after the desired data are written, resulting in great energy saving. Moreover, by utilizing single-ended circuitry together with a symmetrical write current path structure, both a nonvolatile storage function and self-termination are compactly embedded in the NV-FF without performance degradation. As a result, the backup energy is reduced by 83% compared to that of the average of conventional magnetic tunnel junction (MTJ)-based NV-FFs with no self-termination. It is also demonstrated that total transistor counts are reduced by 43% compared to a conventional MTJ-based NV-FF with self-termination.
Original language | English |
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Article number | 17B504 |
Journal | Journal of Applied Physics |
Volume | 117 |
Issue number | 17 |
DOIs | |
Publication status | Published - 2015 May 7 |
ASJC Scopus subject areas
- Physics and Astronomy(all)