Consider the dynamic memory cell of Figure 5.6. Assume that C = 50 femtofarads (10-15 F) and
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Consider the dynamic memory cell of Figure 5.6. Assume that C = 50 femtofarads (10-15 F) and that leakage current through the transistor is about 9 picoamperes (10-12 A). The voltage across the capacitor when it is fully charged is equal to 4.5 V. The cell must be refreshed before this voltage drops below 3 V. Estimate the minimum refresh rate.
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Related Book For 
Computer Organization
ISBN: 9780072320862
5th Edition
Authors: V Carl Hamacher, Carl Hamacher, Zvonko G Vranesic, Safwat G Zaky
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