ESD PROTECTION CIRCUIT
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United States of America Patent
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N/A
Issued Date -
Mar 5, 2015
app pub date -
Mar 4, 2014
filing date -
Aug 28, 2013
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
The ESD protection circuit includes a detection controlling circuit that is connected between the power supply line and the grounding line, detects a current flowing through the power supply line and outputs a controlling signal responsive to a result of the detection. The ESD protection circuit includes a protecting nMOS transistor connected to the power supply line at a drain thereof and receives the controlling signal at a gate thereof. The ESD protection circuit includes one stage of PN-junction diode connected to a source of the protecting nMOS transistor at an anode thereof and to the grounding line at a cathode thereof.
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