Semiconductor storage apparatus and method of manufacturing of t

Details Semiconductor storage apparatus and method of manufacturing of t Semiconductor storage apparatus and method of manufacturing of t

1997-10-01

2000-08-01

Dinh, Son T.

Static information storage and retrieval

Read/write circuit

Bad bit

36523003, 371 103, G11C 700

Patent

active

060976438

ABSTRACT:
A semiconductor storage apparatus having a plurality of memory-cells arranged, forming array which is composed of regular memory-cell blocks and redundant memory-cell blocks, wherein grouping of each of a regular memory-cell blocks each having one DQ line in the form of an overlaid structure is changed in accordance with the addresses of the defective column in a data line, the redundant memory-cell blocks are grouped in accordance with the changed groups of the regular memory-cell blocks, and the grouped redundant memory-cell blocks corresponding to the changed group of the regular memory-cell blocks replaces the regular memory-cell blocks including the defective cell.

REFERENCES:
patent: 5699299 (1997-12-01), Kim
patent: 5708612 (1998-01-01), Abe
patent: 5761138 (1998-06-01), Lee et al.

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