Patent ID: 11922987
Assignee: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
Field: Computer technology (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 0:
1. A storage device comprising:
a memory cell comprising a first transistor and a first magnetic tunnel junction device; and
a sense amplifier circuit,
wherein the first transistor comprises:
a first channel formation region comprising an oxide semiconductor;
a gate electrode overlapping with the oxide semiconductor; and
a gate insulator between the first channel formation region and the gate electrode,

wherein the first channel formation region is electrically connected to the first magnetic tunnel junction device through a plug,
wherein the plug overlaps with the first transistor and the first magnetic tunnel junction device,
wherein the sense amplifier circuit comprises a second transistor, and
wherein a second channel formation region of the second transistor comprises silicon.