Clock based voltage deviation detector
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United States of America Patent
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Aug 19, 2008
Grant Date -
N/A
app pub date -
Mar 17, 2004
filing date -
Dec 11, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The clock based voltage deviation detector of the present invention includes a pulse module, an indicator module and a correlation module. The pulse module generates a stream of reset pulses as a function of a clock signal. The indicator module generates a pass/fail indicator signal as a function of the reset pulse stream and a difference between an input signal and a reference voltage. The correlation module correlates an event (e.g., overvoltage or undervoltage) of the pass/fail indicator signal with a period of the clock signal at which the event occurred.
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