E-fuse apparatus for controlling reference voltage required...

Details E-fuse apparatus for controlling reference voltage required... E-fuse apparatus for controlling reference voltage required...

2009-06-25

2011-11-01

Nguyen, VanThu (Department: 2824)

Static information storage and retrieval

Read/write circuit

Having fuse element

C365S096000, C365S226000, C365S227000

Reexamination Certificate

active

08050129

ABSTRACT:
An electrically programmable fuse (e-fuse) apparatus includes an e-fuse macro and a switch device. The e-fuse macro is disposed in an integrated circuit, and has a plurality of e-fuse units. The switch device is disposed in the integrated circuit, and has an output node coupled to the e-fuse units and a first input node coupled to a first power source which supplies a first reference voltage acting as a programming voltage of the e-fuse macro. The switch device connects the first power source to the e-fuse units when the e-fuse macro is operated under a programming mode.

REFERENCES:
patent: 5448187 (1995-09-01), Kowalski
patent: 6680873 (2004-01-01), Muraoka et al.
patent: 7254078 (2007-08-01), Park
patent: 7336095 (2008-02-01), Erickson
patent: 7394713 (2008-07-01), Knopf et al.
patent: 7626881 (2009-12-01), Tomita
patent: 2007/0058473 (2007-03-01), Kouchi

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