Static information storage and retrieval – Read/write circuit – Multiplexing
Reexamination Certificate
2008-07-08
2008-07-08
Pham, Ly D (Department: 2827)
Static information storage and retrieval
Read/write circuit
Multiplexing
C365S189050, C365S200000, C365S201000, C365S225700, C326S009000, C326S010000, C326S016000, C714S006130
Reexamination Certificate
active
07397709
ABSTRACT:
Disclosed is a method of repairing an integrated circuit of the type comprising of a multitude of memory arrays and a fuse box holding control data for controlling redundancy logic of the arrays. The method comprises the steps of providing the integrated circuit with a control data selector for passing the control data from the fuse box to the memory arrays; providing a source of alternate control data, external of the integrated circuit; and connecting the source of alternate control data to the control data selector. The method comprises the further step of, at a given time, passing the alternate control data from the source thereof, through the control data selector and to the memory arrays to control the redundancy logic of the memory arrays.
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Bright Arthur A.
Crumley Paul G.
Dombrowa Marc B.
Douskey Steven M.
Haring Rudolf A.
International Business Machines - Corporation
Morris, Esq. Daniel P.
Pham Ly D
Scully , Scott, Murphy & Presser, P.C.
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