Invention Grant
- Patent Title: Semiconductor device
-
Application No.: US16643755Application Date: 2018-09-03
-
Publication No.: US10984840B2Publication Date: 2021-04-20
- Inventor: Tatsuya Onuki , Takanori Matsuzaki , Kiyoshi Kato , Shunpei Yamazaki
- Applicant: Semiconductor Energy Laboratory Co., Ltd.
- Applicant Address: JP Kanagawa-ken
- Assignee: Semiconductor Energy Laboratory Co., Ltd.
- Current Assignee: Semiconductor Energy Laboratory Co., Ltd.
- Current Assignee Address: JP Kanagawa-ken
- Agency: Husch Blackwell LLP
- Priority: JPJP2017-170766 20170906,JPJP2017-171116 20170906
- International Application: PCT/IB2018/056697 WO 20180903
- International Announcement: WO2019/049013 WO 20190314
- Main IPC: G11C11/24
- IPC: G11C11/24 ; G11C7/06 ; G11C14/00

Abstract:
To provide a novel semiconductor device.
The semiconductor device includes cell arrays and peripheral circuits; the cell arrays include memory cells; the peripheral circuits includes a first driver circuit, a second driver circuit, a first amplifier circuit, a second amplifier circuit, a third amplifier circuit, and a fourth amplifier circuit; the first driver circuit and the second driver circuit have a function of supplying a selection signal to the cell array; the first amplifier circuit and the second amplifier circuit have a function of amplifying a potential input from the cell array; the third amplifier circuit and the fourth amplifier circuit have a function of amplifying a potential input from the first amplifier circuit or the second amplifier circuit; the first driver circuit, the second driver circuit, the first amplifier circuit, the second amplifier circuit, the third amplifier circuit, and the fourth amplifier circuit include a region overlapping with the cell array; and the memory cells include a metal oxide in a channel formation region.
The semiconductor device includes cell arrays and peripheral circuits; the cell arrays include memory cells; the peripheral circuits includes a first driver circuit, a second driver circuit, a first amplifier circuit, a second amplifier circuit, a third amplifier circuit, and a fourth amplifier circuit; the first driver circuit and the second driver circuit have a function of supplying a selection signal to the cell array; the first amplifier circuit and the second amplifier circuit have a function of amplifying a potential input from the cell array; the third amplifier circuit and the fourth amplifier circuit have a function of amplifying a potential input from the first amplifier circuit or the second amplifier circuit; the first driver circuit, the second driver circuit, the first amplifier circuit, the second amplifier circuit, the third amplifier circuit, and the fourth amplifier circuit include a region overlapping with the cell array; and the memory cells include a metal oxide in a channel formation region.
Public/Granted literature
- US20200279589A1 Semiconductor Device Public/Granted day:2020-09-03
Information query