Dram on-chip error correction/detection

Details Dram on-chip error correction/detection Dram on-chip error correction/detection

1990-02-13

1992-06-30

Atkinson, Charles E.

Excavating

365200, 3652385, 371 401, 371 402, G06F 1110, G11C 2900

Patent

active

051270145

ABSTRACT:
Error detection or correction is provided on the same chip as DRAM memory. Because data and error correction bits need not travel on an external bus, error detection/correction can be conducted on a larger number of bits than the width of the data bus. When using memories which provide for access to a row of memory, such as static-column or fast-page mode memories, error correction is conducted on an entire row of memory during one error correction cycle. Following operations of the correction cycle, the data within a row of memory can be accessed independently of the EC circuitry.

REFERENCES:
patent: 4380812 (1983-04-01), Ziegler, II et al.
patent: 4694454 (1987-09-01), Matsuura
patent: 4758992 (1988-07-01), Taguchi
patent: 4903268 (1990-02-01), Hidaka et al.
patent: 4945517 (1990-07-01), Miyatake et al.

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