Fuse circuit and semiconductor device using fuse circuit...

Details Fuse circuit and semiconductor device using fuse circuit... Fuse circuit and semiconductor device using fuse circuit...

2005-10-04

2008-10-14

Nguyen, VanThu (Department: 2824)

Static information storage and retrieval

Read/write circuit

Having fuse element

C365S096000, C365S200000

Reexamination Certificate

active

07436729

ABSTRACT:
A fuse circuit uses an electrically writable fuse circuit and comprises a first fuse unit provided with a first electrically writable fuse, and a second fuse unit provided with a second electrically writable fuse, and the state of logical add of the states of the first and second fuse units is used as the output of the electrically writable fuse circuit in the first and second fuse units. Reliability in writing in of the fuse can be improved by using such a fuse circuit for a redundancy decoder circuit or the like.

REFERENCES:
patent: 6388941 (2002-05-01), Otori et al.
patent: 6639863 (2003-10-01), Imamura et al.
patent: 3-22298 (1991-01-01), None

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