Patent ID: 9286966
Filing Date: 2016-03-15
CPC Classification: G11C

Claim Text:
1. A method for driving a semiconductor memory device, the semiconductor memory device comprising including a memory cell and a read circuit, the memory cell comprising a first transistor, a second transistor, and a capacitor, wherein a drain of the first transistor, a gate of the second transistor, and one electrode of the capacitor are connected to each other, wherein a gate of the first transistor, a source of the second transistor, a drain of the second transistor, and the other electrode of the capacitor are connected to a first wiring, a second wiring, a third wiring, and a fourth wiring, respectively, wherein the read circuit comprises a third transistor, and wherein a drain of the third transistor is connected to the third wiring, the steps comprising: writing data in the memory cell through the first transistor;