Electrically programmable fuse

Details Electrically programmable fuse Electrically programmable fuse

1998-05-18

2000-08-08

Zweizig, Jeffrey

Miscellaneous active electrical nonlinear devices, circuits, and

Specific identifiable device, circuit, or system

Fusible link or intentional destruct circuit

327534, H01H 8500

Patent

active

061007463

ABSTRACT:
In this invention is described an electrically programmable fuse that uses a floating gate to control the fuse action. The activation of the fuse can be done at any time during the life of the product containing the fuse. By programming a charge onto the floating gate an active transistor is made to conduct or not to conduct. The fuse can be reused by re-programming the fuse to the previous state. Different states of the fuse which represent product options can be obtained by programming appropriate voltage levels.

REFERENCES:
patent: 4852044 (1989-07-01), Turner et al.
patent: 5233566 (1993-08-01), Imamiya et al.
patent: 5258947 (1993-11-01), Sourgen
patent: 5642316 (1997-06-01), Tran et al.
patent: 5912937 (1999-06-01), Goetting et al.
S.Wolf, "Silicon Processing for the VLSI Era", vol. 2, Lattice Press, Sunset Beach, CA, 1999 pp. 624-625.

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