Semiconductor device with increased replacement efficiency by re

Details Semiconductor device with increased replacement efficiency by re Semiconductor device with increased replacement efficiency by re

1998-05-26

2000-04-25

Nelms, David

Static information storage and retrieval

Read/write circuit

Bad bit

365201, G11C 700

Patent

active

060551968

ABSTRACT:
A semiconductor memory device is disclosed that allows an increase in the replacement efficiency by redundant memory cell arrays. Redundant row address judging circuits output redundant row selection signals for differing banks, whereby redundant row selection signals are not outputted to other banks in cases in which row addresses of defective memory cells have been programmed to replace the word lines of a particular bank by a redundant memory cell array.

REFERENCES:
patent: 5349556 (1994-09-01), Lee
patent: 5396124 (1995-03-01), Sawada et al.
patent: 5717651 (1998-02-01), Kikukawa et al.

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