Patent ID: 11870042
Assignee: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
Field: Semiconductors (Electrical engineering)
Classification: CPC H  B  G  Y | IPC B  G  H

Claim 13:
14. The power storage system according to claim 3,
wherein the neural network comprises a first transistor, a capacitor, and a second transistor,
wherein one of a source and a drain of the first transistor is electrically connected to one electrode of the capacitor and a gate of the second transistor,
wherein a channel formation region of the first transistor comprises a metal oxide,
wherein the metal oxide comprises indium and an element M,
wherein the element M is one or more elements selected from aluminum, gallium, tin, boron, silicon, titanium, iron, nickel, germanium, yttrium, zirconium, molybdenum, lanthanum, cerium, neodymium, hafnium, tantalum, and tungsten, and
wherein a potential corresponding to an analog signal is held in the one of the source and the drain of the first transistor.