04493075 is referenced by 45 patents and cites 9 patents.

A large scale memory system that can use devices with some defective memory cells in them since bad cells and bad devices are recorded in a separate permanent memory that accompanies the system. The permanent memory is continuously referred to so as to avoid defective cells during accessing. Spare devices are automatically incorporated in the system, as needed, to facilitate self repairing.

Title
Self repairing bulk memory
Application Number
6/379202
Publication Number
4493075
Application Date
May 17, 1982
Publication Date
January 8, 1985
Inventor
Ernesto Rey
San Jose
CA, US
Dennis T Kitagawa
San Jose
CA, US
Thomas S Knight III
Sunnyvale
CA, US
James M Anderson
Campbell
CA, US
Agent
Michael J Pollock
Paul J Winters
Gail W Woodward
Assignee
National Semiconductor Corporation
CA, US
IPC
G06F 11/20
G11C 29/00
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