| 摘要 |
A semiconductor integrated circuit according to the present invention comprises a latch circuit, a retaining circuit, and a feedback circuit, wherein the latch circuit inputs therein an input data signal, a clock signal and a feedback signal and outputs an output data signal, the retaining circuit retains the output data signal, and the feedback circuit inputs therein the input data signal and the output data signal to thereby generate the feedback signal based on logic combinations of the input data signal and the output data signal, and an internal operation of the latch circuit is turned on/off by means of the feedback signal.
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