Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yasuaki Hamada0
Date of Patent
August 17, 2010
0Patent Application Number
117338910
Date Filed
April 11, 2007
0Patent Primary Examiner
Patent abstract
A ferroelectric memory includes: a memory cell having a ferroelectric capacitor, wherein, in a read-out operation, a first signal Q1 is given when a first voltage is applied to the ferroelectric capacitor, and a second signal Q2 is given when a second voltage having an identical magnitude as a magnitude of the first voltage in a different polarity is applied to the ferroelectric capacitor, and a judgment is made that the memory cell stores first data when Q1/Q2 is greater than ½, and second data when Q1/Q2 is smaller than ½.
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