Is a
Patent attributes
Patent Applicant
Patent Jurisdiction
Patent Number
Date of Patent
September 19, 2017
Patent Application Number
15258174
Date Filed
September 7, 2016
Patent Citations Received
Patent Primary Examiner
Patent abstract
A method of refreshing a memory device includes performing normal refresh operations on memory cell rows in response to a refresh command and performing self-refresh operations on the memory cell rows according to a refresh clock signal in response during a self-refresh mode of the memory device between a self-refresh enter command and a self-refresh exit command. The refresh clock signal has a first self-refresh cycle before the self-refresh begins and a second self-refresh cycle, which may be longer than the first self-refresh cycle, after the self-refresh begins. In some examples, no self-refresh may be performed by the memory device during a self-refresh mode.
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