| 摘要 |
PURPOSE: To reduce power consumption of a master slave flip flop circuit. CONSTITUTION: The circuit employs a configuration comprising a master latch circuit 6 for switching data to a through or holding status, a slave latch circuit 7 for switching data to a holding or through status, and a circuit setup control means 3 for setting the master latch circuit 6 to a through status and the slave latch circuit 7 to a holding status or setting the master latch circuit 6 to the holding status and the slave latch circuit 7 to the through status using "L" and "H" of an clock signal CLK1, respectively. According to the configuration, the number of transistors for operating by a change in the clock signal is decreased, and electric power consumption at a gate electrode is reduced.
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