| 摘要 |
A signal voltage detection circuit is provided to include a differential amplifier a differential amplifier having first and second driver transistors to which a reference voltage and a signal voltage to be detected are input respectively, a current mirror circuit configured to generate an output current corresponding to a detection output of the differential amplifier, a current-to-voltage conversion circuit configured to convert a change in the output current of the current mirror circuit into a voltage and for outputting the voltage converted, a latch circuit to which an output of the current-to-voltage conversion circuit is transferred and in which the output is held, and a capacitive load element connected to an input node of the current-to-voltage conversion circuit.
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