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Which is the commonly used refresh rate?(a) 125 microseconds(b) 120 microseconds(c) 130 microseconds(d) 135 microsecondsThis question was posed to me in unit test.My question comes from DRAM Refreshing Techniques topic in section Memory Systems of Embedded Systems |
Answer» RIGHT answer is (a) 125 microseconds The EXPLANATION: There are TWO refresh rates USED in common. They are standard refresh rate of 15.6 microseconds and 125 microseconds which the extended form. |
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