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US 2007/0183104 A1Published application
ESD protection device and integrated circuit utilizing the same
AssigneeWinbond Electronics Corp.
InventorJen-Chou Tseng
Life of this patent
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Abstract
An ESD protection device comprising a first switch, a second switch, a discharge unit, and a detection unit. The first switch is coupled to a first power line. The second switch is coupled between the first switch and a second power line. The discharge unit is coupled between the first and second power lines. The detection unit is coupled between the first and second power lines. The first switch is turned on when an ESD event occurs in the first power line. The second switch is turned on when the ESD event does not occur in the first power line.
Claims18
An ESD protection device, comprising:
- a first switch coupled to a first power line;
- a second switch coupled between the first switch and a second power line;
- a discharge unit coupled between the first and second power lines;
- and
- a detection unit coupled between the first and second power lines, wherein the first switch is turned on when an ESD event occurs in the first power line and the second switch is turned on when the ESD event does not occur in the first power line.
2 more elements
Dependencies are inferred from the claim text.