| 摘要 |
In order to manufacture a semiconductor device economically and effectively with good manufacturing yield, a power on reset circuit, which sometimes occupies one third of the entire chip area of the semiconductor device for radio frequency identification, is removed to achieve the downsizing of the semiconductor device. A semiconductor device for radio frequency identification comprises one or more flip-flop circuits, wherein an initialization element, functioning to determine that a certain output terminal of the flip-flop circuit is logically fixed to H or L when a power supply voltage is increased, is provided in the flip-flop circuit.
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