ELECTROSTATIC DISCHARGE PROTECTION CIRCUIT
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United States of America Patent
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Issued Date -
Mar 27, 2008
app pub date -
Oct 23, 2006
filing date -
Sep 27, 2006
priority date (Note) -
Abandoned
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Abstract
An electrostatic discharge (ESD) protection circuit is provided. The circuit includes at least one fuse cell and a metal oxide semiconductor field effect transistor (MOSFET). Each of the fuse cells includes a fuse and outputs a bit data according to whether the fuse is melted or not. The MOSFET has a first terminal coupled to each of the fuse cells and a second terminal coupled to a voltage source. The MOSFET is for absorbing an ESD pulse so that the ESD pulse won't melt any one of the fuses.
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