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Pat. 10992223 United States, Int. Cl.22 H02M 3/07, G11C 16/08, G11C 16/30. Semiconductor device having power supply voltage circuit, charge pump, comparator, and load circuit for controlling memory device : Appl. N 16/456253 : Filed 28.06.2019 : Pub. 27.04.2021 : / Hidetoshi Ozoe ; Assignee Renesas Electronics Corp ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10992223/en?oq=US10992223.html (дата обращения: ДД.ММ.ГГГГ).