| 摘要 |
PROBLEM TO BE SOLVED: To provide an edge triggered D flip-flop circuit which can be integrated in a small chip area and is suitable for mass production. SOLUTION: The edge triggered D flip-flop circuit comprises a master circuit including one master switch connected with a data input terminal and controlled by a clock signal, and a first inverter having one input terminal and one output terminal connected with the master switch; and a slave circuit including a slave switch controlled by a clock signal and connected with the output terminal of the first inverter, a second inverter having one input terminal and one output terminal connected with the slave switch, and a feedback loop provided with a feedback switch and a third inverter and connected with the input and output terminals of the second inverter. The master switch and the slave switch are n-channel metal oxide semiconductor field-effect transistors.
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