Address decoder for repair of memory device

Details Address decoder for repair of memory device Address decoder for repair of memory device

1994-12-05

1996-03-19

Yoo, Do Hyun

Static information storage and retrieval

Read/write circuit

Bad bit

365 51, 365 63, 3652259, 36523006, G11C 1300

Patent

active

055008224

ABSTRACT:
An address decoder for repair of a memory device including a conductive line being applied with a desired voltage and a plurality of repair links connected to the conductive line, the repair links being arranged adjacent to each other or one another by a predetermined number at their predetermined portions so that one or more of them can selectively be blown by once scanning of a laser beam. According to the invention, the number of times that the links are blown by the laser beam is significantly reduced, resulting in a reduction in the working time required in repairing a failed cell column using the laser beam. This has the effect of enhancing the working efficiency and reducing the probability that the repair is failed.

REFERENCES:
patent: 4751197 (1988-06-01), Wills
patent: 4968643 (1990-11-01), Mukai
patent: 5258953 (1993-11-01), Tsujimoto
patent: 5276360 (1994-01-01), Fujira

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