Circuit and method for generating level-triggered power up reset signal
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United States of America Patent
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May 22, 2007
Grant Date -
Aug 11, 2005
app pub date -
Nov 22, 2004
filing date -
Dec 24, 2003
priority date (Note) -
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Abstract
A power supply voltage follower connected to a power supply is used for proportionally following an increase of a supply voltage to output a power up reset signal. A pulse generation control circuit coupled to the power supply voltage follower is used for discharging the power supply voltage follower when the supply voltage exceeds a predefined threshold voltage, thereby causing the power up reset signal to produce a reset pulse.
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