Hidden memory refresh

Details Hidden memory refresh Hidden memory refresh

1980-09-24

1982-11-02

Fears, Terrell W.

Static information storage and retrieval

Read/write circuit

Data refresh

365230, G11C 1300

Patent

active

043576869

ABSTRACT:
A memory array having a dedicated refresh flag memory (RFM) for maintaining a record of the array's addresses that are accessed during a refresh requirement interval (RRI) and means for reading the RFM during the RRI and refreshing those array addresses which weren't accessed during the operating interval of the RRI. The refresh operation being performed in a "burst" mode or in an "interleaved" mode during the RRI.

REFERENCES:
patent: 3719932 (1973-03-01), Cappon
patent: 3760379 (1973-09-01), Nibby et al.
patent: 3810129 (1974-05-01), Behman et al.
patent: 3811117 (1974-05-01), Anderson et al.

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