JP6538426B2 - 半導体装置及び電子機器 - Google Patents
半導体装置及び電子機器 Download PDFInfo
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- JP6538426B2 JP6538426B2 JP2015106917A JP2015106917A JP6538426B2 JP 6538426 B2 JP6538426 B2 JP 6538426B2 JP 2015106917 A JP2015106917 A JP 2015106917A JP 2015106917 A JP2015106917 A JP 2015106917A JP 6538426 B2 JP6538426 B2 JP 6538426B2
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- transistor
- circuit
- potential
- wiring
- film
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Classifications
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
- G11C11/21—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements
- G11C11/34—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices
- G11C11/40—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors
- G11C11/401—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors forming cells needing refreshing or charge regeneration, i.e. dynamic cells
- G11C11/4063—Auxiliary circuits, e.g. for addressing, decoding, driving, writing, sensing or timing
- G11C11/407—Auxiliary circuits, e.g. for addressing, decoding, driving, writing, sensing or timing for memory cells of the field-effect type
- G11C11/409—Read-write [R-W] circuits
- G11C11/4096—Input/output [I/O] data management or control circuits, e.g. reading or writing circuits, I/O drivers or bit-line switches
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
- G11C11/21—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements
- G11C11/34—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices
- G11C11/40—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors
- G11C11/401—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors forming cells needing refreshing or charge regeneration, i.e. dynamic cells
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
- G11C11/21—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements
- G11C11/34—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices
- G11C11/40—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors
- G11C11/401—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors forming cells needing refreshing or charge regeneration, i.e. dynamic cells
- G11C11/4063—Auxiliary circuits, e.g. for addressing, decoding, driving, writing, sensing or timing
- G11C11/407—Auxiliary circuits, e.g. for addressing, decoding, driving, writing, sensing or timing for memory cells of the field-effect type
- G11C11/409—Read-write [R-W] circuits
- G11C11/4091—Sense or sense/refresh amplifiers, or associated sense circuitry, e.g. for coupled bit-line precharging, equalising or isolating
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
- G11C11/21—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements
- G11C11/34—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices
- G11C11/40—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors
- G11C11/401—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors forming cells needing refreshing or charge regeneration, i.e. dynamic cells
- G11C11/4063—Auxiliary circuits, e.g. for addressing, decoding, driving, writing, sensing or timing
- G11C11/407—Auxiliary circuits, e.g. for addressing, decoding, driving, writing, sensing or timing for memory cells of the field-effect type
- G11C11/409—Read-write [R-W] circuits
- G11C11/4094—Bit-line management or control circuits
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
- G11C11/56—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using storage elements with more than two stable states represented by steps, e.g. of voltage, current, phase, frequency
- G11C11/5621—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using storage elements with more than two stable states represented by steps, e.g. of voltage, current, phase, frequency using charge storage in a floating gate
- G11C11/5628—Programming or writing circuits; Data input circuits
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C29/00—Checking stores for correct operation ; Subsequent repair; Testing stores during standby or offline operation
- G11C29/02—Detection or location of defective auxiliary circuits, e.g. defective refresh counters
- G11C29/021—Detection or location of defective auxiliary circuits, e.g. defective refresh counters in voltage or current generators
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C29/00—Checking stores for correct operation ; Subsequent repair; Testing stores during standby or offline operation
- G11C29/02—Detection or location of defective auxiliary circuits, e.g. defective refresh counters
- G11C29/028—Detection or location of defective auxiliary circuits, e.g. defective refresh counters with adaption or trimming of parameters
-
- 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
-
- 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
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C5/00—Details of stores covered by group G11C11/00
- G11C5/14—Power supply arrangements, e.g. power down, chip selection or deselection, layout of wirings or power grids, or multiple supply levels
- G11C5/147—Voltage reference generators, voltage or current regulators; Internally lowered supply levels; Compensation for voltage drops
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C7/00—Arrangements for writing information into, or reading information out from, a digital store
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C29/00—Checking stores for correct operation ; Subsequent repair; Testing stores during standby or offline operation
- G11C29/04—Detection or location of defective memory elements, e.g. cell constructio details, timing of test signals
- G11C29/08—Functional testing, e.g. testing during refresh, power-on self testing [POST] or distributed testing
- G11C29/12—Built-in arrangements for testing, e.g. built-in self testing [BIST] or interconnection details
- G11C2029/1204—Bit line control
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- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
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Description
本実施の形態では、本発明の一態様に係る構成の一例について説明する。
本実施の形態では、半導体装置10が有する各回路の構成例について説明する。
本実施の形態では、半導体装置10に用いることができるトランジスタの構成について説明する。
本実施の形態では、記憶回路または論理回路に用いることができるトランジスタの構成について説明する。
図11に、トランジスタ720、730の構成の一例を示す。なお、図11では、OSトランジスタであるトランジスタ730が、チャネル形成領域に酸化物半導体以外の材料を有するトランジスタであるトランジスタ720上に形成されている場合を例示している。
次いで、OSトランジスタの構成例について説明する。
以下では、酸化物半導体膜の構造について説明する。なお、以下の説明において、「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。また、本明細書において、結晶が三方晶または菱面体晶である場合、六方晶系として表す。
まずは、CAAC−OS膜について説明する。
次に、微結晶酸化物半導体膜について説明する。
次に、非晶質酸化物半導体膜について説明する。
本実施の形態では、図11とは異なる構造を有する半導体装置の構造の一例について説明する。
他の実施の形態で開示された、導電膜、半導体膜、絶縁膜など様々な膜はスパッタ法やプラズマCVD法により形成することができるが、他の方法、例えば、熱CVD法により形成してもよい。熱CVD法の例としてMOCVD(Metal Organic Chemical Vapor Deposition)法やALD(Atomic Layer Deposition)法を使っても良い。
本発明の一態様に係る半導体装置は、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)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を用いることができる電子機器として、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等のカメラ、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、プリンタ複合機、現金自動預け入れ払い機(ATM)、自動販売機、医療機器などが挙げられる。これら電子機器の具体例を図16に示す。
WLC 配線
SL 配線
BL 配線
10 半導体装置
100 回路
101 回路
102 トランジスタ
103 トランジスタ
104 容量素子
200 回路
300 回路
310 回路
311 コンパレータ
312 トランジスタ
320 回路
321 インバータ
322 フリップフロップ
400 回路
410 回路
411 コンパレータ
413 コンパレータ
420 回路
421 インバータ
422 ANDゲート
423 インバータ
424 ANDゲート
430 回路
431 トランジスタ
500 回路
501 XORゲート
502 XORゲート
503 ORゲート
600 回路
601 トランジスタ
700 基板
701 絶縁物
702 ウェル
703 ゲート絶縁膜
704 ゲート電極
705 不純物領域
706 絶縁層
707 酸化物半導体層
708 導電層
709 ゲート絶縁膜
710 ゲート電極
711 絶縁層
712 配線
720 トランジスタ
730 トランジスタ
801 半導体基板
810 素子分離領域
811 絶縁膜
812 絶縁膜
813 絶縁膜
825 導電膜
826 導電膜
827 導電膜
834 導電膜
835 導電膜
836 導電膜
837 導電膜
844 導電膜
851 導電膜
852 導電膜
853 導電膜
861 絶縁膜
862 ゲート絶縁膜
863 絶縁膜
901 半導体膜
910 領域
911 領域
921 導電膜
922 導電膜
931 ゲート電極
1000 基板
1001 素子分離領域
1002 不純物領域
1003 不純物領域
1004 チャネル形成領域
1005 絶縁膜
1006 ゲート電極
1011 絶縁膜
1012 導電膜
1013 導電膜
1014 導電膜
1016 導電膜
1017 導電膜
1018 導電膜
1020 絶縁膜
1021 絶縁膜
1022 絶縁膜
1030 半導体膜
1030a 酸化物半導体膜
1030c 酸化物半導体膜
1031 ゲート絶縁膜
1032 導電膜
1033 導電膜
1034 ゲート電極
2000 トランジスタ
2001 絶縁膜
2002a 酸化物半導体膜
2002b 酸化物半導体膜
2002c 酸化物半導体膜
2003 導電膜
2004 導電膜
2005 絶縁膜
2006 導電膜
2007 基板
2008 層
2009 層
5001 筐体
5002 筐体
5003 表示部
5004 表示部
5005 マイクロホン
5006 スピーカー
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 (6)
- 第1の回路乃至第5の回路を有し、
前記第1の回路は、第1のトランジスタと、第2のトランジスタと、を有し、
前記第1のトランジスタは、チャネル形成領域に酸化物半導体を有し、
前記第1のトランジスタのソース又はドレインの一方は、第1の配線と電気的に接続され、
前記第1のトランジスタのソース又はドレインの他方は、前記第2のトランジスタのゲートと電気的に接続され、
前記第2のトランジスタのソース又はドレインの一方は、前記第1の配線と電気的に接続され、
前記第2のトランジスタのソース又はドレインの他方は、第2の配線と電気的に接続され、
前記第2の回路は、前記第2の配線に、段階的に変化する電位を供給する機能を有し、
前記第3の回路は、前記第1の配線に所定の電位を供給する機能と、前記第1の配線の電位から前記第1の回路に記憶されたデータを読み出す機能と、を有し、
前記第4の回路は、前記第1の回路に書き込む第1のデータと、前記第3の回路において読み出された第2のデータとを比較する機能を有し、
前記第5の回路は、前記第2の回路と前記第1の回路の導通状態を制御する機能を有し、
前記第5の回路は、前記第4の回路における比較の結果、前記第1のデータと前記第2のデータが一致する際に非導通状態となり、
前記第2のトランジスタのゲートには、前記第5の回路が非導通状態となった際の、前記第2の配線の電位が供給される半導体装置。 - 請求項1において、
前記段階的に変化する電位は、高電源電位から低電源電位に向かって下降する電位である半導体装置。 - 請求項1において、
前記段階的に変化する電位は、低電源電位から高電源電位に向かって上昇する電位である半導体装置。 - 請求項1乃至請求項3のいずれか一項において、
前記第1の配線に前記所定の電位が供給された後、前記第2の配線に前記段階的に変化する電位が供給される半導体装置。 - 請求項1乃至請求項4のいずれか一項において、
前記第5の回路は、第3のトランジスタを有し、
前記第3のトランジスタは、チャネル形成領域に酸化物半導体を有する半導体装置。 - 請求項1乃至請求項5のいずれか一項に記載の半導体装置と、
表示装置、スピーカー、又はマイクロホンと、を有する電子機器。
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| US9489988B2 (en) | 2015-02-20 | 2016-11-08 | Semiconductor Energy Laboratory Co., Ltd. | Memory device |
| JP6963463B2 (ja) | 2016-11-10 | 2021-11-10 | 株式会社半導体エネルギー研究所 | 半導体装置、電子部品、及び電子機器 |
| US20200381995A1 (en) * | 2019-05-27 | 2020-12-03 | Nanya Technology Corporation | Voltage supply device and operation method thereof |
| US12020768B2 (en) * | 2021-12-28 | 2024-06-25 | Micron Technology, Inc. | Semiconductor device having output buffer |
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| EP0053878B1 (en) | 1980-12-08 | 1985-08-14 | Kabushiki Kaisha Toshiba | Semiconductor memory device |
| JPS6034199B2 (ja) | 1980-12-20 | 1985-08-07 | 株式会社東芝 | 半導体記憶装置 |
| JPS60198861A (ja) | 1984-03-23 | 1985-10-08 | Fujitsu Ltd | 薄膜トランジスタ |
| JPH0244256B2 (ja) | 1987-01-28 | 1990-10-03 | Kagaku Gijutsucho Mukizaishitsu Kenkyushocho | Ingazn2o5deshimesarerurotsuhoshokeinosojokozoojusurukagobutsuoyobisonoseizoho |
| JPH0244260B2 (ja) | 1987-02-24 | 1990-10-03 | Kagaku Gijutsucho Mukizaishitsu Kenkyushocho | Ingazn5o8deshimesarerurotsuhoshokeinosojokozoojusurukagobutsuoyobisonoseizoho |
| JPS63210023A (ja) | 1987-02-24 | 1988-08-31 | Natl Inst For Res In Inorg Mater | InGaZn↓4O↓7で示される六方晶系の層状構造を有する化合物およびその製造法 |
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| US20150348601A1 (en) | 2015-12-03 |
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