Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
July 18, 2023
0Patent Application Number
178498940
Date Filed
June 27, 2022
0Patent Citations
0
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Patent Primary Examiner
CPC Code
A memory device having long data retention time and high reliability is provided. The memory device includes a driver circuit and a plurality of memory cells, the memory cell includes a transistor and a capacitor, and the transistor includes a metal oxide in a channel formation region. The transistor includes a first gate and a second gate, and in a period during which the memory cell retains data, negative potentials are applied to the first gate and the second gate of the transistor.
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