JP6109637B2 - 半導体装置 - Google Patents
半導体装置 Download PDFInfo
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- JP6109637B2 JP6109637B2 JP2013099642A JP2013099642A JP6109637B2 JP 6109637 B2 JP6109637 B2 JP 6109637B2 JP 2013099642 A JP2013099642 A JP 2013099642A JP 2013099642 A JP2013099642 A JP 2013099642A JP 6109637 B2 JP6109637 B2 JP 6109637B2
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- transistor
- data holding
- electrically connected
- holding unit
- memory
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- 239000004065 semiconductor Substances 0.000 title claims description 120
- 238000003860 storage Methods 0.000 claims description 39
- 239000003990 capacitor Substances 0.000 claims description 22
- 229910052710 silicon Inorganic materials 0.000 claims description 6
- 239000010703 silicon Substances 0.000 claims description 6
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- 239000010410 layer Substances 0.000 description 235
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- 238000000034 method Methods 0.000 description 30
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- 238000010438 heat treatment Methods 0.000 description 10
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- 239000000758 substrate Substances 0.000 description 10
- 229910052581 Si3N4 Inorganic materials 0.000 description 8
- 125000004429 atom Chemical group 0.000 description 8
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 8
- 239000007789 gas Substances 0.000 description 8
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- 239000002184 metal Substances 0.000 description 7
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 6
- 229910001882 dioxygen Inorganic materials 0.000 description 6
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 5
- 230000007547 defect Effects 0.000 description 5
- 229910052733 gallium Inorganic materials 0.000 description 5
- 239000012535 impurity Substances 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
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- WIHZLLGSGQNAGK-UHFFFAOYSA-N hafnium(4+);oxygen(2-) Chemical compound [O-2].[O-2].[Hf+4] WIHZLLGSGQNAGK-UHFFFAOYSA-N 0.000 description 4
- 239000001257 hydrogen Substances 0.000 description 4
- 229910052739 hydrogen Inorganic materials 0.000 description 4
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 4
- 238000004151 rapid thermal annealing Methods 0.000 description 4
- 229910052814 silicon oxide Inorganic materials 0.000 description 4
- 238000004544 sputter deposition Methods 0.000 description 4
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- 229910052779 Neodymium Inorganic materials 0.000 description 3
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 description 3
- 239000011241 protective layer Substances 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- AJNVQOSZGJRYEI-UHFFFAOYSA-N digallium;oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Ga+3].[Ga+3] AJNVQOSZGJRYEI-UHFFFAOYSA-N 0.000 description 2
- 239000002019 doping agent Substances 0.000 description 2
- 230000005669 field effect Effects 0.000 description 2
- 229910001195 gallium oxide Inorganic materials 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
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- 239000011777 magnesium Substances 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
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- 229910052706 scandium Inorganic materials 0.000 description 2
- SIXSYDAISGFNSX-UHFFFAOYSA-N scandium atom Chemical compound [Sc] SIXSYDAISGFNSX-UHFFFAOYSA-N 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 229910052715 tantalum Inorganic materials 0.000 description 2
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 2
- 229910052718 tin Inorganic materials 0.000 description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 239000010937 tungsten Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 229910052684 Cerium Inorganic materials 0.000 description 1
- 229910052692 Dysprosium Inorganic materials 0.000 description 1
- 229910052691 Erbium Inorganic materials 0.000 description 1
- 229910052693 Europium Inorganic materials 0.000 description 1
- 229910052688 Gadolinium Inorganic materials 0.000 description 1
- 229910052689 Holmium Inorganic materials 0.000 description 1
- 229910052765 Lutetium Inorganic materials 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 229910052777 Praseodymium Inorganic materials 0.000 description 1
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 1
- 229910052772 Samarium Inorganic materials 0.000 description 1
- 229910020994 Sn-Zn Inorganic materials 0.000 description 1
- 229910009069 Sn—Zn Inorganic materials 0.000 description 1
- 229910052771 Terbium Inorganic materials 0.000 description 1
- 229910052775 Thulium Inorganic materials 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- 229910052769 Ytterbium Inorganic materials 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 229910052795 boron group element Inorganic materials 0.000 description 1
- ZMIGMASIKSOYAM-UHFFFAOYSA-N cerium Chemical compound [Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce] ZMIGMASIKSOYAM-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
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- KBQHZAAAGSGFKK-UHFFFAOYSA-N dysprosium atom Chemical compound [Dy] KBQHZAAAGSGFKK-UHFFFAOYSA-N 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- UYAHIZSMUZPPFV-UHFFFAOYSA-N erbium Chemical compound [Er] UYAHIZSMUZPPFV-UHFFFAOYSA-N 0.000 description 1
- OGPBJKLSAFTDLK-UHFFFAOYSA-N europium atom Chemical compound [Eu] OGPBJKLSAFTDLK-UHFFFAOYSA-N 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- UIWYJDYFSGRHKR-UHFFFAOYSA-N gadolinium atom Chemical compound [Gd] UIWYJDYFSGRHKR-UHFFFAOYSA-N 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 1
- 229910052735 hafnium Inorganic materials 0.000 description 1
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
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- KJZYNXUDTRRSPN-UHFFFAOYSA-N holmium atom Chemical compound [Ho] KJZYNXUDTRRSPN-UHFFFAOYSA-N 0.000 description 1
- 150000004678 hydrides Chemical class 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- -1 hydrogen compound Chemical class 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- 238000005468 ion implantation Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
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- 239000011574 phosphorus Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 238000002294 plasma sputter deposition Methods 0.000 description 1
- 238000009832 plasma treatment Methods 0.000 description 1
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- 238000005498 polishing Methods 0.000 description 1
- PUDIUYLPXJFUGB-UHFFFAOYSA-N praseodymium atom Chemical compound [Pr] PUDIUYLPXJFUGB-UHFFFAOYSA-N 0.000 description 1
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- 229910052707 ruthenium Inorganic materials 0.000 description 1
- KZUNJOHGWZRPMI-UHFFFAOYSA-N samarium atom Chemical compound [Sm] KZUNJOHGWZRPMI-UHFFFAOYSA-N 0.000 description 1
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Chemical compound [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 1
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- 229910052724 xenon Inorganic materials 0.000 description 1
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- 229910052725 zinc Inorganic materials 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B10/00—Static random access memory [SRAM] devices
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C14/00—Digital stores characterised by arrangements of cells having volatile and non-volatile storage properties for back-up when the power is down
- G11C14/0054—Digital stores characterised by arrangements of cells having volatile and non-volatile storage properties for back-up when the power is down in which the volatile element is a SRAM cell
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C5/00—Details of stores covered by group G11C11/00
- G11C5/06—Arrangements for interconnecting storage elements electrically, e.g. by wiring
- G11C5/063—Voltage and signal distribution in integrated semi-conductor memory access lines, e.g. word-line, bit-line, cross-over resistance, propagation delay
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C5/00—Details of stores covered by group G11C11/00
- G11C5/06—Arrangements for interconnecting storage elements electrically, e.g. by wiring
- G11C5/10—Arrangements for interconnecting storage elements electrically, e.g. by wiring for interconnecting capacitors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/04—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body
- H01L27/10—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including a plurality of individual components in a repetitive configuration
- H01L27/105—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including a plurality of individual components in a repetitive configuration including field-effect components
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B99/00—Subject matter not provided for in other groups of this subclass
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Semiconductor Memories (AREA)
- Thin Film Transistor (AREA)
- Static Random-Access Memory (AREA)
Description
(実施の形態1)
本実施の形態では、本発明の一態様である半導体装置と、その駆動方法について説明する。
(実施の形態2)
本実施の形態では、上述の記憶装置100に適用可能な記憶素子の図2とは異なる回路構成の例について図面を参照して説明する。但し、本実施の形態は、実施の形態1と多くの部分において共通した構成を有するため、実施の形態1と同一部分又は同様な機能を有する部分の繰り返しの説明は省略する。
(実施の形態3)
本実施の形態では、本発明の一態様である半導体装置の構造の一例について説明する。
なお、本明細書において、「平行」とは、二つの直線が−10°以上10°以下の角度で配置されている状態をいう。従って、−5°以上5°以下の場合も含まれる。また、「垂直」とは、二つの直線が80°以上100°以下の角度で配置されている状態をいう。従って、85°以上95°以下の場合も含まれる。
(実施の形態4)
本発明の一態様に係る半導体装置(記憶装置)は、表示機器、パーソナルコンピュータ、記録媒体を備えた画像再生装置(代表的にはDVD:Digital Versatile Disc等の記録媒体を再生し、その画像を表示しうるディスプレイを有する装置)等に用いることができる。その他に、本発明の一態様に係る半導体装置(記憶装置)を用いることができる電子機器として、例えば、携帯電話、携帯型を含むゲーム機、携帯情報端末、電子書籍、ビデオカメラ、デジタルスチルカメラ、ゴーグル型ディスプレイ(ヘッドマウントディスプレイ)、ナビゲーションシステム、音響再生装置(カーオーディオ、デジタルオーディオプレイヤー等)、複写機、ファクシミリ、プリンター、プリンター複合機、現金自動預け入れ払い機(ATM)、自動販売機などが挙げられる。これら電子機器の具体例を図7に示す。
102 記憶素子部
104 第1の駆動回路
106 第2の駆動回路
108 記憶素子
110 第1の記憶回路
112 第2の記憶回路
114 第1のトランジスタ
116 第2のトランジスタ
118 第3のトランジスタ
120 第4のトランジスタ
122 第5のトランジスタ
124 第6のトランジスタ
126 第7のトランジスタ
128 第8のトランジスタ
130 第1の端子
132 第2の端子
134 第3の端子
136 第4の端子
138 第5の端子
140 第1のデータ保持部
142 第2のデータ保持部
144 第3のデータ保持部
146 第4のデータ保持部
148 第1のキャパシタ
150 第2のキャパシタ
160 第9のトランジスタ
162 第10のトランジスタ
164 第11のトランジスタ
166 第12のトランジスタ
168 第6の端子
170 第7の端子
172 第8の端子
174 第9の端子
176 第10の端子
178 第11の端子
180 第2の記憶回路
182 記憶素子
184 第2の記憶回路
186 記憶素子
200 素子被形成層
202 絶縁層
204 半導体層
206a 領域
206b 領域
208 チャネル形成領域
210 絶縁層
212 導電層
214a 絶縁層
214b 絶縁層
216 絶縁層
218a 導電層
218b 導電層
220 絶縁層
250 素子被形成層
252 導電層
254 絶縁層
256 絶縁層
258 半導体層
260a 導電層
260b 導電層
262a 導電層
262b 導電層
264 絶縁層
300 トランジスタ
302 トランジスタ
304 基板
306 絶縁層
308 単結晶シリコン層
310 導電層
312 絶縁層
314 絶縁層
316 絶縁層
318 導電層
320 絶縁層
5001 筐体
5002 筐体
5003 表示部
5004 表示部
5005 マイクロホン
5006 スピーカ
5007 操作キー
5008 スタイラス
5101 車体
5102 車輪
5103 ダッシュボード
5104 ライト
5301 筐体
5302 冷蔵室用扉
5303 冷凍室用扉
5401 筐体
5402 表示部
5403 キーボード
5404 ポインティングデバイス
5601 筐体
5602 筐体
5603 表示部
5604 表示部
5605 接続部
5606 操作キー
5801 筐体
5802 筐体
5803 表示部
5804 操作キー
5805 レンズ
5806 接続部
Claims (4)
- マトリクス状に配置された複数の記憶素子を有し、
前記記憶素子の一は、第1及び第2のデータ保持部が設けられた第1の記憶回路と、第3及び第4のデータ保持部が設けられた第2の記憶回路と、を有し、
前記第1のデータ保持部は、第1のトランジスタを介してビット線に電気的に接続され、
前記第2のデータ保持部は、第2のトランジスタを介して反転ビット線に電気的に接続され、
前記第1のトランジスタは、第1のワード線に電気的に接続され、
前記第2のトランジスタは、前記第1のワード線に電気的に接続され、
前記第3のデータ保持部は、第3のトランジスタを介して前記第2のデータ保持部に電気的に接続され、
前記第4のデータ保持部は、第4のトランジスタを介して前記第1のデータ保持部に電気的に接続され、
前記第3のトランジスタは、第2のワード線に電気的に接続され、
前記第4のトランジスタは、前記第2のワード線に電気的に接続され、
前記第3のデータ保持部は、第1のキャパシタの一方の電極と、第1の読み出し回路と、に電気的に接続され、
前記第4のデータ保持部は、第2のキャパシタの一方の電極と、第2の読み出し回路と、に電気的に接続され、
前記第1のキャパシタの他方の電極は、低電位電源線に電気的に接続され、
前記第2のキャパシタの他方の電極は、低電位電源線に電気的に接続され、
前記第1の記憶素子への電力の供給が停止される直前に前記第3及び第4のトランジスタをオフする手段を有することを特徴とする半導体装置。 - 請求項1において、
前記第3のトランジスタは、酸化物半導体を有し、
前記第4のトランジスタは、酸化物半導体を有することを特徴とする半導体装置。 - 請求項1又は2において、
前記第1のトランジスタは、シリコンを有し、
前記第2のトランジスタは、シリコンを有することを特徴とする半導体装置。 - 請求項1乃至3のいずれか一において、
前記第1のトランジスタ及び前記第2のトランジスタ上に、前記第3のトランジスタ及び前記第4のトランジスタが設けられていることを特徴とする半導体装置。
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JP2014160526A (ja) | 2014-09-04 |
KR102087443B1 (ko) | 2020-03-10 |
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KR20130126494A (ko) | 2013-11-20 |
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