Static information storage and retrieval – Read/write circuit – Having fuse element
Reexamination Certificate
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
Nishioka Naohisa
Oishi Kanji
Yoshida Hiroyasu
Elpida Memory Inc.
Nguyen Van-Thu
Sughrue & Mion, PLLC
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