| 摘要 |
A semiconductor device includes a first signal generator that generates a plurality of second signals having a delay relative to a first signal and having states that change at different timings, a second signal generator that generates a third signal having a delay relative to the first signal, and a detector that detects, when a state of the third signal changes, a delay state of a signal based on the states of the second signals, wherein the first signal generator and the second signal generator are different from each other in an amount of change in delay relative to a change in an operating state.
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