Is a
Patent attributes
Patent Applicant
0
Patent Jurisdiction
Patent Number
Patent Inventor Names
Tae Yun Kim0
Date of Patent
September 27, 2005
0Patent Application Number
107287650
Date Filed
December 8, 2003
0Patent Citations Received
Patent Primary Examiner
Patent abstract
The present invention relates to a self-refresh apparatus and method. In the self-refresh method according to the present invention, when a partial array self-refresh operation is performed on a bank, internal address is counted in a predetermined cycle corresponding to a refresh rate regardless of PASR types. The bank is selectively activated depending on the PASR types. As a result, errors of the refresh rate which result from a half of bank or quarter of bank self refresh operation can be prevented.
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