Multi-state electrical fuse

Details Multi-state electrical fuse Multi-state electrical fuse

2007-09-18

2007-09-18

Nguyen, Linh My (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Specific identifiable device, circuit, or system

Fusible link or intentional destruct circuit

C327S526000, C365S225700

Reexamination Certificate

active

11328780

ABSTRACT:
An integrated circuit for programming an electrical fuse includes a first programming device coupled to the electrical fuse for selectively providing the same with a first programming current, and a second programming device coupled to the electrical fuse for selectively providing the same with a second programming current. A detection module is coupled to the electrical fuse for generating an output indicating a resistance level of the electrical fuse, wherein the resistance level has three or more predetermined states, which are provided by selectively programming the electrical fuse with the first or second programming current.

REFERENCES:
patent: 5966339 (1999-10-01), Hsu et al.
patent: 6956784 (2005-10-01), Laing
patent: 2005/0247996 (2005-11-01), Chung et al.

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