Integrated circuit memory

Details Integrated circuit memory Integrated circuit memory

1986-01-13

1987-11-17

Popek, Joseph A.

Static information storage and retrieval

Read/write circuit

Bad bit

G11C 700

Patent

active

047078103

ABSTRACT:
An integrated circuit memory is provided in which a repair circuit allows a redundant cell line to be substituted for a cell line which has proved defective. In the invention, access is had to the repair circuit by using the properties of the decoder of the memory. An instruction for decomposing a fuse is given, for all the repair circuits of the memory, through a single external terminal conected to a connection which serves all the repair circuits. When the fuse is decomposed, a bistable circuit changes state and switches the cell lines.

REFERENCES:
patent: 4358833 (1982-11-01), Folmsbee et al.
patent: 4532611 (1985-07-01), Countryman, Jr.

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