JP6595789B2 - 半導体装置 - Google Patents
半導体装置 Download PDFInfo
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- JP6595789B2 JP6595789B2 JP2015078144A JP2015078144A JP6595789B2 JP 6595789 B2 JP6595789 B2 JP 6595789B2 JP 2015078144 A JP2015078144 A JP 2015078144A JP 2015078144 A JP2015078144 A JP 2015078144A JP 6595789 B2 JP6595789 B2 JP 6595789B2
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- transistor
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- oxide semiconductor
- sram
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- GZCRRIHWUXGPOV-UHFFFAOYSA-N terbium atom Chemical compound [Tb] GZCRRIHWUXGPOV-UHFFFAOYSA-N 0.000 description 1
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- RGGPNXQUMRMPRA-UHFFFAOYSA-N triethylgallium Chemical compound CC[Ga](CC)CC RGGPNXQUMRMPRA-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- 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
- H01L27/12—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 other than a semiconductor body, e.g. an insulating body
- H01L27/1203—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 other than a semiconductor body, e.g. an insulating body the substrate comprising an insulating body on a semiconductor body, e.g. SOI
- H01L27/1207—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 other than a semiconductor body, e.g. an insulating body the substrate comprising an insulating body on a semiconductor body, e.g. SOI combined with devices in contact with the semiconductor body, i.e. bulk/SOI hybrid circuits
-
- 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
- G11C8/00—Arrangements for selecting an address in a digital store
- G11C8/16—Multiple access memory array, e.g. addressing one storage element via at least two independent addressing line groups
-
- 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
- H01L27/12—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 other than a semiconductor body, e.g. an insulating body
- H01L27/1214—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 other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs
- H01L27/1222—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 other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs with a particular composition, shape or crystalline structure of the active layer
- H01L27/1225—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 other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs with a particular composition, shape or crystalline structure of the active layer with semiconductor materials not belonging to the group IV of the periodic table, e.g. InGaZnO
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Semiconductor Memories (AREA)
- Thin Film Transistor (AREA)
- Static Random-Access Memory (AREA)
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
- Ceramic Engineering (AREA)
Description
本実施の形態では、半導体装置の回路図、上面図、断面図、及びタイミングチャートについて説明する。
半導体装置の一形態として、メモリセルMCの構成について説明する。
次いでメモリセルMCの上面図及び断面図の一例について説明する。ここでは、一例として、図2で図示したメモリセルMCが有する各トランジスタの上面図及び断面図について、図3乃至5を参照して説明する。
次いでメモリセルMCの動作について説明する。
次いでSRAM101の構成例について説明する。
<データ記憶部102の構成例>
次いでデータ記憶部102の構成例について説明する。
本実施の形態では、上記実施の形態で説明したメモリセルMCの動作とは異なる動作の一例について説明する。
(実施の形態3)
本実施の形態では、図1で示したメモリセルMCを有するキャッシュ、及び該キャッシュにアクセスする回路のブロック図の構成について、説明する。
次いで図16で示したキャッシュ300の具体例について説明する。
本実施の形態では、上記実施の形態で説明したオフ電流の低いOSトランジスタ、及びOSトランジスタの半導体層が有する酸化物半導体について説明する。
上記実施の形態で説明したオフ電流の低いトランジスタとして挙げたOSトランジスタは、Siトランジスタよりも低いオフ電流が得られる。
次いで、OSトランジスタの半導体層に用いることのできる酸化物半導体について説明する。
上記実施の形態で開示された、導電層や半導体層はスパッタ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。
本実施の形態では、上述の実施の形態で説明した記憶装置を電子部品に適用する例、及び該電子部品を具備する電子機器に適用する例について、図22、図23を用いて説明する。
Cp1 容量素子
Cp2 容量素子
Cp3 容量素子
Cp4 容量素子
Cp5 容量素子
Cp7 容量素子
I5 命令
I6 命令
I8 命令
INV1 インバータ
INV5 インバータ
INV6 インバータ
INV7 インバータ
M1 トランジスタ
M1A トランジスタ
M2 トランジスタ
M5 トランジスタ
M6 トランジスタ
M7 トランジスタ
M20 トランジスタ
M21 トランジスタ
M24 トランジスタ
M25 トランジスタ
M28 トランジスタ
M29 トランジスタ
OM1 トランジスタ
OM2 トランジスタ
OM3 トランジスタ
OM4 トランジスタ
OM5 トランジスタ
OM7 トランジスタ
RBL1 ビット線
RBL3 ビット線
RWL1 ワード線
RWL3 ワード線
SN1 ノード
SN2 ノード
SN3 ノード
SW1 パワースイッチ
SW2 パワースイッチ
SW3 パワースイッチ
Tr1 トランジスタ
Tr2 トランジスタ
WBL1 ビット線
WBL3 ビット線
WL1 ワード線
WWL1 ワード線
WWL3 ワード線
30 半導体装置
40 プロセッサ
41 CPU
42 レジスタファイル
43 キャッシュ
44 キャッシュ
45 キャッシュ
101 SRAM
102 データ記憶部
103 トランジスタ
104 容量素子
111 第1の層
112 第2の層
113 第3の層
114 第4の層
210 電子銃室
212 光学系
214 試料室
216 光学系
218 カメラ
220 観察室
222 フィルム室
224 電子
228 物質
229 蛍光板
300 キャッシュ
301 メモリセルアレイ
310 周辺回路
311 ローデコーダ
312 ロードライバー
313 カラムデコーダ
314 カラムドライバー
315 ドライバー制御論理回路
316 出力ドライバー
320 バックアップ/リカバリー駆動回路
330 電源電圧供給回路
340 パワーマネジメントユニット
350 CPU
360 入出力インターフェース
370 バスインターフェース
400 半導体基板
402 素子分離用絶縁膜
410 ゲート絶縁層
412 ゲート電極
413 ゲート電極
414 ゲート電極
415 ゲート電極
416 層間絶縁層
418 配線層
420 配線層
422 導電層
423 配線層
424 層間絶縁層
426 導電層
427 配線層
428 層間絶縁層
429 配線層
430 配線層
431 配線層
432 配線層
433 導電層
434 配線層
436 配線層
438 配線層
440 配線層
442 層間絶縁層
444 導電層
446 配線層
448 層間絶縁層
450 ゲート絶縁層
452 半導体層
453 半導体層
454 配線層
456 ゲート電極
458 層間絶縁層
460 導電層
462 導電層
464 絶縁層
466 導電層
467 導電層
468 導電層
472 層間絶縁層
474 配線層
476 配線層
477 配線層
478 層間絶縁層
480 層間絶縁層
700 電子部品
701 リード
702 プリント基板
703 回路部
704 半導体装置
821 配線層
901 筐体
902 筐体
903a 表示部
903b 表示部
904 選択ボタン
905 キーボード
910 電子書籍端末
911 筐体
912 筐体
913 表示部
914 表示部
915 軸部
916 電源
917 操作キー
918 スピーカー
920 テレビジョン装置
921 筐体
922 表示部
923 スタンド
924 リモコン操作機
930 本体
931 表示部
932 スピーカー
933 マイク
934 操作ボタン
941 本体
942 表示部
943 操作スイッチ
Claims (3)
- SRAMと、
データ記憶部と、を有する半導体装置であって、
前記SRAMは、第1のトランジスタと、配線と、を有し、
前記第1のトランジスタは、シリコンをチャネル形成領域に有し、
前記配線は、前記第1のトランジスタに電気的に接続され、
前記データ記憶部は、第2のトランジスタと、第3のトランジスタと、容量素子と、を有し、
前記第2のトランジスタは、酸化物半導体をチャネル形成領域に有し、
前記第3のトランジスタは、シリコンをチャネル形成領域に有し、
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のトランジスタのソース又はドレインに電気的に接続され、
前記容量素子の第1の電極は、前記第2のトランジスタのソース又はドレインの他方に電気的に接続され、
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、前記第3のトランジスタのゲートに電気的に接続され、
前記第3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のトランジスタのソース又はドレインに電気的に接続され、
前記第3のトランジスタのソース又はドレインの他方は、前記容量素子の第2の電極に電気的に接続され、
前記容量素子の第2の電極には電源電位が与えられ、
前記第1のトランジスタのソース又はドレインと、前記配線とは、互いに重なる領域を有し、
前記配線と、前記第2のトランジスタのソース又はドレインとは、互いに重なる領域を有し、
前記第2のトランジスタのソース又はドレインと、前記容量素子の電極とは、互いに重なる領域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、インバータを構成するpチャネル型トランジスタであることを特徴とする半導体装置。 - 請求項1または請求項2において、
前記SRAMは、マルチポートであることを特徴とする半導体装置。
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WO2017055967A1 (en) | 2015-09-30 | 2017-04-06 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor device and electronic device |
US10622059B2 (en) | 2016-03-18 | 2020-04-14 | Semiconductor Energy Laboratory Co., Ltd. | Oxide semiconductor based memory device |
US10032492B2 (en) | 2016-03-18 | 2018-07-24 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor device, driver IC, computer and electronic device |
TWI724231B (zh) | 2016-09-09 | 2021-04-11 | 日商半導體能源硏究所股份有限公司 | 記憶體裝置及其工作方法、半導體裝置、電子構件以及電子裝置 |
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