JP4357409B2 - 半導体集積回路装置及びその設計方法 - Google Patents
半導体集積回路装置及びその設計方法 Download PDFInfo
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- JP4357409B2 JP4357409B2 JP2004366438A JP2004366438A JP4357409B2 JP 4357409 B2 JP4357409 B2 JP 4357409B2 JP 2004366438 A JP2004366438 A JP 2004366438A JP 2004366438 A JP2004366438 A JP 2004366438A JP 4357409 B2 JP4357409 B2 JP 4357409B2
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D84/00—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers
- H10D84/90—Masterslice integrated circuits
- H10D84/903—Masterslice integrated circuits comprising field effect technology
- H10D84/907—CMOS gate arrays
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/30—Circuit design
- G06F30/39—Circuit design at the physical level
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D89/00—Aspects of integrated devices not covered by groups H10D84/00 - H10D88/00
- H10D89/10—Integrated device layouts
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S257/00—Active solid-state devices, e.g. transistors, solid-state diodes
- Y10S257/909—Macrocell arrays, e.g. gate arrays with variable size or configuration of cells
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- Theoretical Computer Science (AREA)
- Evolutionary Computation (AREA)
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- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Design And Manufacture Of Integrated Circuits (AREA)
- Semiconductor Integrated Circuits (AREA)
Description
[第1の実施形態]
図1は、この発明の第1の実施形態に係る半導体集積回路装置について説明するためのもので、パターン構成を示す平面図である。図1では、スタンダードセル用いて自動配置配線で形成した半導体集積回路装置における一部の回路パターンを抽出してレイアウトイメージ例を示している。
図5は、この発明の第2の実施形態に係る半導体集積回路装置の設計方法について説明するためのフローチャートである。本第2の実施形態は、4端子セルで形成した回路の一部を2端子セルに置き換えることにより回路の動作タイミングを最適化し、且つ第1の実施形態と同様な作用効果を得るものである。
次に、上述した第1,第2の実施形態に係る半導体集積回路装置及びその設計方法の適用例として、描画装置を例に取って説明する。
Claims (2)
- スタンダードセルが第1の方向に沿って配置されたセル列を、前記第1の方向と交差する第2の方向に沿って配列して形成された回路部を含み、
前記セル列は、
電源電圧及び接地電位が印加される第1,第2の端子、ウェル電位固定用の電位が印加される第3,第4の端子、及び前記第1,第2の端子から電源が供給され、前記第3,第4の端子からバックゲートバイアスが印加されるトランジスタ回路を有する4端子の第1のスタンダードセルと、
動作タイミングに応じて、前記第1のスタンダードセルと選択的に置き換えられる2端子の第2のスタンダードセルと、
前記セル列中の空き領域を埋め、且つ前記第1の方向に沿った対向する2辺に配置された第1,第2の電源線と、前記第1の電源線下の半導体基板中に形成される第1導電型の第1ウェル領域と、前記第2の電源線下の前記半導体基板中に形成される第2導電型の第2ウェル領域と、前記第1ウェル領域中に形成される第1導電型の第1サブ領域と、前記第2ウェル領域中に形成される第2導電型の第2サブ領域とを備え、論理回路を含まないスペーサセルと、
を具備し、
前記スペーサセルと前記第2のスタンダードセルとを用いて、前記第1のスタンダードセルの前記第3,第4の端子にウェル電位固定用の電位を与えることを特徴とする半導体集積回路装置。 - ライブラリから4端子の第1のスタンダードセルを読み出し、自動配置配線を行って仮の回路を形成するステップと、
形成した仮の回路の動作タイミングを測定するステップと、
測定した前記動作タイミングを判定するステップと、
判定した前記動作タイミングに基づいてタイミング調整の最適値を算出するステップと、
前記算出したタイミング調整の最適値に基づいて、前記ライブラリから2端子の第2のスタンダードセルを読み出し、複数のセル列内に配置した前記第1のスタンダードセルを前記第2のスタンダードセルに選択的に置き換えることによりタイミング調整を行うステップと、
再度自動配置配線を行って回路を形成するステップと、
形成した回路における各セル列内の空き領域を検索するステップと、
検索した前記各セル列内の空き領域にスペーサセルを配置するステップとを具備し、
前記第2のスタンダードセルと前記スペーサセルとを用いて、前記セル列中に配置された前記第1のスタンダードセルのウェル電位を固定する
ことを特徴とする半導体集積回路装置の設計方法。
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004366438A JP4357409B2 (ja) | 2004-12-17 | 2004-12-17 | 半導体集積回路装置及びその設計方法 |
| US11/087,597 US7368767B2 (en) | 2004-12-17 | 2005-03-24 | Semiconductor integrated circuit device formed by automatic layout wiring by use of standard cells and design method of fixing its well potential |
| TW094144196A TWI301301B (en) | 2004-12-17 | 2005-12-14 | Semiconductor integrated circuit device formed by automatic layout wiring by use of standard cells and design method of fixing its well potential |
| CNB2005101216447A CN100555631C (zh) | 2004-12-17 | 2005-12-16 | 半导体集成电路器件及固定其阱势的设计方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004366438A JP4357409B2 (ja) | 2004-12-17 | 2004-12-17 | 半導体集積回路装置及びその設計方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2006173478A JP2006173478A (ja) | 2006-06-29 |
| JP4357409B2 true JP4357409B2 (ja) | 2009-11-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2004366438A Expired - Fee Related JP4357409B2 (ja) | 2004-12-17 | 2004-12-17 | 半導体集積回路装置及びその設計方法 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US7368767B2 (ja) |
| JP (1) | JP4357409B2 (ja) |
| CN (1) | CN100555631C (ja) |
| TW (1) | TWI301301B (ja) |
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| JP2009289917A (ja) | 2008-05-28 | 2009-12-10 | Toshiba Microelectronics Corp | 半導体装置 |
| JP2007103607A (ja) * | 2005-10-03 | 2007-04-19 | Matsushita Electric Ind Co Ltd | スタンダードセル、半導体集積回路、半導体集積回路の設計方法、半導体集積回路の設計装置、及びスタンダードセルライブラリ |
| JP2007141971A (ja) * | 2005-11-15 | 2007-06-07 | Matsushita Electric Ind Co Ltd | 半導体集積回路の設計方法 |
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| US9230910B2 (en) | 2006-03-09 | 2016-01-05 | Tela Innovations, Inc. | Oversized contacts and vias in layout defined by linearly constrained topology |
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-
2004
- 2004-12-17 JP JP2004366438A patent/JP4357409B2/ja not_active Expired - Fee Related
-
2005
- 2005-03-24 US US11/087,597 patent/US7368767B2/en not_active Expired - Fee Related
- 2005-12-14 TW TW094144196A patent/TWI301301B/zh not_active IP Right Cessation
- 2005-12-16 CN CNB2005101216447A patent/CN100555631C/zh not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN100555631C (zh) | 2009-10-28 |
| US7368767B2 (en) | 2008-05-06 |
| TW200629449A (en) | 2006-08-16 |
| CN1838411A (zh) | 2006-09-27 |
| US20060131609A1 (en) | 2006-06-22 |
| TWI301301B (en) | 2008-09-21 |
| JP2006173478A (ja) | 2006-06-29 |
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