Semiconductor storage device

Details Semiconductor storage device Semiconductor storage device

1994-09-22

1995-08-29

Popek, Joseph A.

Static information storage and retrieval

Read/write circuit

Bad bit

3652257, 36523003, 36523006, G11C 700

Patent

active

054466938

ABSTRACT:
The object of the present invention is to enhance the productivity of semiconductor storage devices by increasing the scale of a redundancy circuit. Semiconductor storage device 1 is different from a conventional semiconductor storage device in that it includes six fuse circuits, and six row pre-decoders connected in a one-by-one relationship to six fuse circuits by way of first to six pre-row lines, respectively, and one of six fuse circuits is selected by six row pre-decoders, and redundancy switching information is written into each of fuse circuits.

REFERENCES:
patent: 5046046 (1991-09-01), Sweha et al.
patent: 5060197 (1991-10-01), Park et al.
patent: 5295114 (1994-03-01), Kobayashi

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