Invention Grant
US07675796B2 Semiconductor device 有权
半导体器件

Semiconductor device
Abstract:
Information stored in a nonvolatile storage device mounted to a semiconductor device is read by inputting an address signal or the like and by using a sense amplifier or the like. At this time, since a prescribed period of time is required, it is necessary to design a semiconductor device taking that delay into consideration. Also, a sense amplifier consumes an enormous amount of current. Further, since the number of reading bits is set, it is also necessary to read other unnecessary information when only 1 bit is to be read. A nonvolatile storage circuit is formed by a memory element that is formed by an electrical element having an electrically conducting or insulating means, a reset element, and a latch element. In the storage element, different information is stored in the latch element depending on whether the electrical element is electrically insulated or conductive, when the wireless chip is reset. With such a structure, a low power consumption wireless chip mounted with a nonvolatile storage device can be provided a low cost.
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