Adaptive auto refresh

Details Adaptive auto refresh Adaptive auto refresh

1996-10-28

1998-09-15

Nguyen, Tan T.

Static information storage and retrieval

Read/write circuit

Data refresh

365236, G11C 11401

Patent

active

058089527

ABSTRACT:
A system and method for automatically refreshing a dynamic random access memory is disclosed. The system comprises a timer, a trigger, and refresh generation means coupled to the timer and the trigger. The timer provides a first refresh rate. The first refresh rate is a required number of refreshes for a particular interval of time. The trigger provides a trigger signal. The trigger signal is a periodic signal. The refresh generation provide a plurality of refreshes at a second refresh rate in response to the trigger signal. The system functions such that the second refresh rate adapts to the first refresh rate.

REFERENCES:
patent: 5321661 (1994-06-01), Iwakiri et al.
patent: 5379400 (1995-01-01), Barakat et al.
patent: 5446695 (1995-08-01), Douse et al.
patent: 5619468 (1997-04-01), Ghosh et al.

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