Patent ID: 9350334
Filing Date: 2016-05-24
CPC Classification: G11C,H01L,H03K

Claim Text:
1. A circuit comprising: a first transistor; a second transistor; a first element; a second element; and a capacitor, wherein an output of the first element is electrically connected to an input of the second element, and an output of the second element is electrically connected to an input of the first element, and wherein the input of the first element is electrically connected to a first wiring configured to be supplied with an input signal, and the output of the first element is electrically connected to a second wiring configured to be supplied with an output signal, wherein a channel formation region of the first transistor comprises silicon, wherein a channel formation region of the second transistor comprises an oxide semiconductor, wherein one of a source and a drain of the second transistor is electrically connected to the second wiring, wherein the other of the source and the drain of the second transistor is electrically connected to one electrode of the capacitor and a gate of the first transistor, and wherein one of a source and a drain of the first transistor is electrically connected to the first wiring.