Abstract

DYNAMIC REFRESH METHOD, a new method of refreshing dynamic RAMs is proposed that may result in a significant reduction in the frequency of refresh. The method is based on a fact that a row of the memory cells array in dynamic RAM is normally refreshed whenever a normal access is made. The method is described as a periodic operation with 1/n intervals of the ordinary method. The number of rows refreshed in one cycle varies dynamically. A definition and an implementation of the method are introduced first, the improvement in frequency of refresh is analyzed, and an application example is given.

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