Circuits and systems having low power power-on-reset and/or brown out detection
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United States of America Patent
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Aug 8, 2017
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N/A
app pub date -
Mar 30, 2016
filing date -
Dec 16, 2015
priority date (Note) -
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Abstract
A circuit can include a signal section that includes a first signal transistor configured to operate in a subthreshold region to maintain the signal node at about VCC as VCC rises from a low level; a high threshold section that enables a current path from the signal node to the low power supply node only after a voltage at the detect node exceeds a level greater than a threshold voltage (Vt); and an output section having transistors with relatively long channels, for reduced crowbar current.
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