| 摘要 |
A low power consumption in a semiconductor integrated circuit device can be achieved by reducing a glitch power in a flip-flop. In a pulse-generator-incorporated auto-clock-gating flip-flop in which data latch is performed by using a pulsed clock, input data is latched based on an output of a dynamic XOR circuit, which is a comparator circuit, during a period when the pulsed clock is at a high level, and the dynamic XOR circuit is cut off during a period when the pulsed clock is at a low level.
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