Device for detecting a plurality of signal levels indicating stopping of a clock signal
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United States of America Patent
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Aug 10, 1999
Grant Date -
N/A
app pub date -
Oct 18, 1996
filing date -
Jun 3, 1996
priority date (Note) -
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Abstract
The oscillation-stop detecting device accurately detects the stopping of a clock signal due to various causes. The voltage detecting circuit detects when a clock signal output from the clock signal oscillator remains at a high, a low or an intermediate level, and outputs a clock voltage detection signal. The oscillation-stop detecting circuit outputs a detection signal in response to the voltage detection signal.
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