Electrical fuse device with dummy cells for ESD protection

Details Electrical fuse device with dummy cells for ESD protection Electrical fuse device with dummy cells for ESD protection

2006-03-02

2008-12-09

Pert, Evan (Department: 2826)

Active solid-state devices (e.g., transistors, solid-state diode

Gate arrays

With particular signal path connections

C257SE23149

Reexamination Certificate

active

07462894

ABSTRACT:
An electrical fuse device includes at least one electrical fuse cell having a first switch device serially coupled with an electrical fuse representing a logic value; and at least one dummy cell having a second switch device coupled to the first switch device via a common word line, the second switch device having a trigger-on voltage lower than that of the first device, such that the second switch becomes conductive earlier than the first switch device for bypassing an electrostatic discharge (ESD) current therethrough during an ESD event.

REFERENCES:
patent: 2005/0270714 (2005-12-01), Huang et al.

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