Redundancy circuit in semiconductor memory device having a...

Details Redundancy circuit in semiconductor memory device having a... Redundancy circuit in semiconductor memory device having a...

2006-07-11

2006-07-11

Nguyen, Viet Q. (Department: 2827)

Static information storage and retrieval

Read/write circuit

Having fuse element

C365S203000, C365S200000, C365S230060, C365S230030

Reexamination Certificate

active

07075848

ABSTRACT:
A redundancy circuit in a semiconductor memory device having a multiblock structure in which a memory cell array is classified into a plurality of memory cell blocks, an integrated redundancy circuit having a plurality of fuse boxes for storing, per block, addresses of defective memory cells provided in the plurality of memory cell blocks, the plurality of fuse boxes being connected to the common precharge unit and being selectively activated in response to a block distinction selection signal.

REFERENCES:
patent: 5422850 (1995-06-01), Sukegawa et al.
patent: 5689465 (1997-11-01), Sukegawa et al.
patent: 5892713 (1999-04-01), Jyouno et al.
patent: 6335884 (2002-01-01), Kajigaya et al.
patent: 6353570 (2002-03-01), Hwang et al.
patent: 6418067 (2002-07-01), Watanabe et al.
patent: 6424582 (2002-07-01), Ooishi et al.
patent: 6504769 (2003-01-01), Do et al.
patent: 6563743 (2003-05-01), Hanzawa et al.
patent: 6704226 (2004-03-01), Lee
patent: 6850454 (2005-02-01), Kuge et al.
patent: 2001/0023093 (2001-09-01), Do et al.
patent: 2002/0167850 (2002-11-01), Lee

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