JP5594294B2 - 半導体装置 - Google Patents
半導体装置 Download PDFInfo
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- JP5594294B2 JP5594294B2 JP2011547278A JP2011547278A JP5594294B2 JP 5594294 B2 JP5594294 B2 JP 5594294B2 JP 2011547278 A JP2011547278 A JP 2011547278A JP 2011547278 A JP2011547278 A JP 2011547278A JP 5594294 B2 JP5594294 B2 JP 5594294B2
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- 239000004065 semiconductor Substances 0.000 title claims description 40
- 239000012535 impurity Substances 0.000 claims description 91
- 238000009792 diffusion process Methods 0.000 description 83
- 239000011295 pitch Substances 0.000 description 12
- 230000000694 effects Effects 0.000 description 11
- 230000003287 optical effect Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 238000002513 implantation Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
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- H01L27/0203—Particular design considerations for integrated circuits
- H01L27/0207—Geometrical layout of the components, e.g. computer aided design; custom LSI, semi-custom LSI, standard cell technique
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- 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
- H01L27/118—Masterslice integrated circuits
- H01L27/11803—Masterslice integrated circuits using field effect technology
- H01L27/11807—CMOS gate arrays
- H01L2027/11809—Microarchitecture
- H01L2027/11859—Connectibility characteristics, i.e. diffusion and polysilicon geometries
- H01L2027/11866—Gate electrode terminals or contacts
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- 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
- H01L27/118—Masterslice integrated circuits
- H01L27/11803—Masterslice integrated circuits using field effect technology
- H01L27/11807—CMOS gate arrays
- H01L2027/11868—Macro-architecture
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- 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
- H01L27/118—Masterslice integrated circuits
- H01L27/11803—Masterslice integrated circuits using field effect technology
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- H01L2027/1189—Latch-up prevention
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- H01L21/77—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate
- H01L21/78—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices
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- H01L21/8232—Field-effect technology
- H01L21/8234—MIS technology, i.e. integration processes of field effect transistors of the conductor-insulator-semiconductor type
- H01L21/8238—Complementary field-effect transistors, e.g. CMOS
- H01L21/823892—Complementary field-effect transistors, e.g. CMOS with a particular manufacturing method of the wells or tubs, e.g. twin tubs, high energy well implants, buried implanted layers for lateral isolation [BILLI]
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Description
前記複数のセル列は、それぞれ、
前記ゲートの下に形成されており、前記第2方向にそれぞれ延びている第1導電型ウエル領域および第2導電型ウエル領域を備え、
前記複数のセル列のうちの1つである第1のセル列は、
前記第1導電型ウエル領域において、前記第1導電型ウエル領域と同一導電型の不純物が注入されてなる第1のウエル電位給電領域と、
前記第1のウエル電位給電領域の前記第2方向における両側にそれぞれ配置された、第1および第2の隣接ゲートと、
前記第1の隣接ゲートに、前記第1のウエル電位給電領域の反対側に隣接して配置された第3の隣接ゲートと、
前記第2の隣接ゲートに、前記第1のウエル電位給電領域の反対側に隣接して配置された第4の隣接ゲートとを備え、
前記第1〜第4の隣接ゲートは、前記第2方向において同一ピッチで配置されており、かつ、
前記複数のセル列のうちの、前記第1のセル列に前記第1方向において隣接する第1の隣接セル列は、前記第1〜第4の隣接ゲートに前記第1方向においてそれぞれ対向している4本のゲートを、有している。
前記複数のセル列は、それぞれ、
前記ゲートの下に形成されており、前記第2方向にそれぞれ延びている第1導電型ウエル領域および第2導電型ウエル領域を備え、
前記複数のセル列のうちの1つである第1のセル列は、
前記第1導電型ウエル領域において、前記第1導電型ウエル領域と同一導電型の不純物が注入されてなる第1のウエル電位給電領域と、
前記第1のウエル電位給電領域の上に配置された第1のゲートとを備えている。
図1は第1の実施形態に係るタップセルのレイアウト構造の例を示す図である。ここで、「タップセル」とは、ウエルへの電位給電領域を有するセルのことをいう。図1のレイアウト構造では、インバータを構成する論理セル5a,5bの間にタップセル1が隣接配置されている。
図6は第2の実施形態に係るタップセルのレイアウト構造の例を示す図である。図6のレイアウト構造では、インバータを構成する論理セル5a,5bの間にタップセル3が隣接配置されている。論理セル5a,5bのレイアウト構造は、図1と同様である。
(その1)
図8は半導体装置のレイアウト構成の他の例である。図8のレイアウトでは、図7と同様に、縦方向に延びる複数のゲートが横方向に並べて配置されているセル列C1,C2,C3が、縦方向に並べて配置されている。セル列C1,C2,C3では、それぞれ、横方向に延びているP型ウエル領域PWおよびN型ウエル領域NWがゲートの下に形成されている。なお、セル列C2では、P型ウエル領域PWとN型ウエル領域NWがフリップされており、セル列C1,C2のN型ウエル領域NWは隣接しており、セル列C2,C3のP型ウエル領域PWは隣接している。
図9は半導体装置のレイアウト構成の他の例である。図9のレイアウトでは、図7と同様に、縦方向に延びる複数のゲートが横方向に並べて配置されているセル列D1,D2,D3が、縦方向に並べて配置されている。セル列D1,D2,D3では、それぞれ、横方向に延びているP型ウエル領域PWおよびN型ウエル領域NWがゲートの下に形成されている。なお、セル列D2では、P型ウエル領域PWとN型ウエル領域NWがフリップされており、セル列D1,D2のN型ウエル領域NWは隣接しており、セル列D2,D3のP型ウエル領域PWは隣接している。
これまでの説明では、主として、ウエル電位給電領域の両側に配置された隣接ゲートはダミーゲートである例を示した。ただし、本実施形態では、ウエル電位給電領域の両側に配置された隣接ゲートは、活性トランジスタのゲート電極として機能するゲートであってもかまわない。
1A,1B,1C,1D,2A,2B,2C,2D タップセル
11n,11p,21n,21p,22n,22p ウエル電位給電領域
12a,12b,23a,23b,23c ダミーゲート
14n ウエル電位給電領域(第1のウエル電位給電領域)
15a,15b ダミーゲート(第1および第2の隣接ゲート)
15c,15d ゲート電極(第3および第4の隣接ゲート)
15e,15f,15g,15h 4本のゲート
16n ウエル電位給電領域(第1のウエル電位給電領域)
17a,17b ダミーゲート(第1および第2の隣接ゲート)
17c ゲート電極(第3の隣接ゲート)
17d ダミーゲート(第4の隣接ゲート)
17e,17f,17g,17h 4本のゲート
18n ウエル電位給電領域(第2のウエル電位給電領域)
19n ウエル電位給電領域(第3のウエル電位給電領域)
31n,31p ウエル電位給電領域(第1のウエル電位給電領域)
32a,32b ダミーゲート
32c ダミーゲート(第1のゲート)
33p,33n,34p,35p ウエル電位給電領域(第1のウエル電位給電領域)
34a,34b,34c ダミーゲート(第1のゲート)
36 ゲート電極(第1のゲート)
51p ウエル電位給電領域(第1のウエル電位給電領域)
52a,52b ゲート電極(第1および第2の隣接ゲート)
53n ウエル電位給電領域(第1のウエル電位給電領域)
54a ゲート電極(第1の隣接ゲート)
54b ダミーゲート(第2の隣接ゲート)
NW N型ウエル領域
PW P型ウエル領域
TN1 活性トランジスタ
Claims (8)
- 第1方向に延びる複数のゲートが前記第1方向に直交する第2方向に並べて配置されているセル列が、複数個、前記第1方向に並べて配置されており、
前記複数のセル列は、それぞれ、
前記ゲートの下に形成されており、前記第2方向にそれぞれ延びている第1導電型ウエル領域および第2導電型ウエル領域を備え、
前記複数のセル列のうちの1つである第1のセル列は、
前記第1導電型ウエル領域において、前記第1導電型ウエル領域と同一導電型の不純物が注入されてなる第1のウエル電位給電領域と、
前記第1のウエル電位給電領域の前記第2方向における両側にそれぞれ配置された、第1および第2の隣接ゲートと、
前記第1の隣接ゲートに、前記第1のウエル電位給電領域の反対側に隣接して配置された第3の隣接ゲートと、
前記第2の隣接ゲートに、前記第1のウエル電位給電領域の反対側に隣接して配置された第4の隣接ゲートとを備え、
前記第1〜第4の隣接ゲートは、前記第2方向において同一ピッチで配置されており、かつ、
前記複数のセル列のうちの、前記第1のセル列に前記第1方向において隣接する第1の隣接セル列は、前記第1〜第4の隣接ゲートに前記第1方向においてそれぞれ対向している4本のゲートを、有し、
前記第1の隣接ゲートと前記第3の隣接ゲートとの間に、前記第1導電型ウエル領域と同一導電型の不純物が注入されてなる第2のウエル電位給電領域が形成されている
ことを特徴とする半導体装置。 - 請求項1記載の半導体装置において、
前記第1および第2の隣接ゲートのうち少なくともいずれか一方は、前記第1の隣接セル列における、当該隣接ゲートと対向しているゲートと、一体になるように接続されている
ことを特徴とする半導体装置。 - 請求項1または2記載の半導体装置において、
前記第1および第2の隣接ゲートは、ダミーゲートである
ことを特徴とする半導体装置。 - 請求項1記載の半導体装置において、
前記第1および第2のウエル電位給電領域は、一体に形成されている
ことを特徴とする半導体装置。 - 請求項1または4記載の半導体装置において、
前記第1、第2および第3の隣接ゲートは、ダミーゲートである
ことを特徴とする半導体装置。 - 請求項1記載の半導体装置において、
前記第1のセル列における前記第1導電型ウエル領域と、前記第1の隣接セル列における前記第1導電型ウエル領域とは、前記第1方向において隣接しており、
前記第1の隣接セル列は、
前記第1導電型ウエル領域において、前記第1導電型ウエル領域と同一導電型の不純物が注入されてなる第3のウエル電位給電領域を備えている
ことを特徴とする半導体装置。 - 請求項1記載の半導体装置において、
前記第1〜第4の隣接ゲートは、前記第1導電型ウエル領域と前記第2導電型ウエル領域との境界を跨いで延びている
ことを特徴とする半導体装置。 - 請求項1記載の半導体装置において、
前記第1〜第4の隣接ゲートは、前記第1導電型ウエル領域と前記
第2導電型ウエル領域との境界において分割されている
ことを特徴とする半導体装置。
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Application Number | Priority Date | Filing Date | Title |
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JP2011547278A JP5594294B2 (ja) | 2009-12-25 | 2010-12-14 | 半導体装置 |
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JP2009294231 | 2009-12-25 | ||
JP2009294231 | 2009-12-25 | ||
PCT/JP2010/007255 WO2011077664A1 (ja) | 2009-12-25 | 2010-12-14 | 半導体装置 |
JP2011547278A JP5594294B2 (ja) | 2009-12-25 | 2010-12-14 | 半導体装置 |
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JPWO2011077664A1 JPWO2011077664A1 (ja) | 2013-05-02 |
JP5594294B2 true JP5594294B2 (ja) | 2014-09-24 |
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US (6) | US8692336B2 (ja) |
JP (1) | JP5594294B2 (ja) |
CN (1) | CN102687264B (ja) |
WO (1) | WO2011077664A1 (ja) |
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---|---|---|---|---|
US8217464B2 (en) * | 2010-08-06 | 2012-07-10 | Altera Corporation | N-well/P-well strap structures |
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US20180366490A1 (en) | 2018-12-20 |
US10593702B2 (en) | 2020-03-17 |
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US10083985B2 (en) | 2018-09-25 |
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US8946826B2 (en) | 2015-02-03 |
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US8692336B2 (en) | 2014-04-08 |
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