Current detection method
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United States of America Patent
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Issued Date -
Jan 5, 2012
app pub date -
Jun 30, 2011
filing date -
Jun 30, 2010
priority date (Note) -
Abandoned
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Abstract
A current detection method for detecting whether data are stored in a memory unit includes the steps of: (A) respectively inputting two currents into a detection current input end and a reference current end; (B) reading out a current of the detection current input end by a first switching element and a current of the reference current end by a second switching element; (C) respectively converting the current read out by the first switching element and the current read out by the second switching element into two voltages, and respectively transmitting the two voltages to two input ends of a comparator; and (D) outputting a voltage signal for determining whether the data are stored in the memory unit by the comparator. The current detection method of the present invention has the fast detection speed, low power consumption and simple operation.
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