Method and device for programming anti-fuses
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United States of America Patent
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Feb 3, 2009
Grant Date -
Oct 2, 2008
app pub date -
Mar 28, 2007
filing date -
Mar 28, 2007
priority date (Note) -
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Abstract
A device includes an anti-fuse including a first electrode that can be selectively coupled to a first voltage reference and a second electrode that can be selectively coupled to a second voltage reference. The device further includes a shunt transistor including a first current electrode coupled to the first electrode of the anti-fuse, a second current electrode coupled to the second electrode of the anti-fuse, and a control electrode. The device additionally includes control logic configured to disable the shunt transistor in response to a first program operation intended for the anti-fuse. The control logic also is configured to enable the shunt transistor in response to a second program operation not intended for the anti-fuse.
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