Reconfigurable memory using both address permutation and spare m

Details Reconfigurable memory using both address permutation and spare m Reconfigurable memory using both address permutation and spare m

1983-09-02

1986-04-22

Atkinson, Charles E.

Excavating

365200, 371 2, 371 11, G11C 1300

Patent

active

045846820

ABSTRACT:
An array substitution scheme is used to substitute a spare chip for a faulty chip when a UE condition results from an alignment of two errors in bit positions accessed through the same decoder while the bit permutation apparatus is used to misalign fault bits when they occur in bit positions accessed through different decoders.

REFERENCES:
patent: 3772652 (1973-11-01), Hillberg
patent: 3868646 (1975-02-01), Bergman
patent: 4093985 (1978-06-01), Das
patent: 4358833 (1982-11-01), Folmsbee et al.
patent: 4380066 (1983-04-01), Spencer et al.
patent: 4422161 (1983-12-01), Kressel et al.
patent: 4453248 (1984-06-01), Ryan
patent: 4460998 (1984-07-01), Yamada et al.
patent: 4461001 (1984-07-01), Bossen et al.
patent: 4485471 (1984-12-01), Singh et al.
patent: 4489403 (1984-12-01), Bond

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