Semiconductor memory device and method for manufacturing same

Details Semiconductor memory device and method for manufacturing same Semiconductor memory device and method for manufacturing same

2007-03-06

2007-03-06

Hoang, Huan (Department: 2827)

Static information storage and retrieval

Read/write circuit

Data refresh

C365S200000, C365S225700

Reexamination Certificate

active

10958572

ABSTRACT:
At first, failed cells are repaired using row redundancy or column redundancy as done in the past and then, for the remaining failed cells that cannot be repaired by row or column redundancy, by increasing the number of refreshes greater than that of normal cells, it is possible to repair more failed cells.

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patent: 06089571 (1994-03-01), None
patent: 11250694 (1999-09-01), None
patent: 2001-060400 (2001-03-01), None

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