| 摘要 |
Methods, and circuits, are disclosed for operating a programmable memory device. One method embodiment includes storing a value as a state in a first memory cell and as a complementary state in a second memory cell. Such a method further includes determining the state of the first memory cell using a first self-biased sensing circuit and the complementary state of the second memory cell using a second self-biased sensing circuit, and comparing in a differential manner an indication of the state of the first memory cell to a reference indication of the complementary state of the second memory cell to determine the value.
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