JP5599395B2 - 動的アレイアーキテクチャにおけるセル位相整合及び配置の方法及びその実施 - Google Patents
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Description
1.セルは、M2レベル仮想格子とゲートレベル仮想格子の間の有理空間的関係が、4/3というM2レベル対ゲートレベル仮想格子ピッチ比で定められる動的アレイアーキテクチャに従って定められ、
2.セルは、ゲートレベル仮想格子半ピッチ上に配置され、かつ、
3.セル幅は、ゲートレベル仮想格子ピッチの2分の1の整数倍数である。
3303 第2の相互接続レベル導電特徴部
DAS 動的アレイ区画(dynamic array section)
Claims (18)
- レイアウト特徴部が第1の仮想格子に従って配置された第1のチップレベルと、レイアウト特徴部が第2の仮想格子に従って配置された第2のチップレベルとを含み、該第1及び第2の仮想格子の間に有理空間的関係が存在する論理ブロック区域と、
前記論理ブロック区域内に配置された複数のセルと、
を含み、
前記複数のセルの各々は、複数のセル位相のうちの適切な1つに従って定められ、
前記複数のセル位相のうちの前記適切な1つは、所定の配置セルの前記第1及び第2のチップレベルのレイアウト特徴部を該所定の配置セル内に位置決めされた時の前記第1及び第2の仮想格子と整合させるものであり、
前記複数のセル位相の各々は、前記第1のチップレベルに対する第1のインデックス値によって、かつ前記第2のチップレベルに対する第2のインデックス値によって定められ、
前記第1のインデックス値は、前記所定の配置セルの左の境界から右方向に前記第1の仮想格子の最も近い仮想線まで垂直に延びる第1の距離に等しく、
前記第2のインデックス値は、前記所定の配置セルの前記左の境界から前記右方向に前記第2の仮想格子の最も近い仮想線まで垂直に延びる第2の距離に等しく、
前記複数のセル位相の各々は、前記第1のインデックス値及び前記第2のインデックス値の異なる組み合わせを有する、
ことを特徴とする半導体チップ。 - 前記第1の仮想格子は、前記論理ブロック区域内で前記第1のチップレベルにわたって延びる等しく離間した第1の組の平行仮想線によって定められ、
前記第2の仮想格子は、前記論理ブロック区域内で前記第2のチップレベルにわたって延びる等しく離間した第2の組の平行仮想線によって定められる、
ことを特徴とする請求項1に記載の半導体チップ。 - 前記第1及び第2の仮想格子の間の前記有理空間的関係は、該第1及び第2の仮想格子が共通の向きに置かれ、共通の空間的位置に対してインデックス付けされ、かつ有理数によって定められるそれらの仮想格子ピッチの比を有することを表すことを特徴とする請求項1に記載の半導体チップ。
- 前記第1及び第2の仮想格子は、前記有理空間的関係に従って周期的に互いに整合することを特徴とする請求項3に記載の半導体チップ。
- 前記第1及び第2の仮想格子は、前記複数のセル位相のうちのいずれにおいても互いに整合しないことを特徴とする請求項3に記載の半導体チップ。
- 前記複数のセル位相のいずれかに従って定められた所定のセルが、該所定のセルに関連付けられた同じ論理機能を実行するように定められることを特徴とする請求項1に記載の半導体チップ。
- 前記複数のセルは、インタフェースを構成するセル境界が相互整合されるように前記論理ブロック区域内に行で配置されることを特徴とする請求項1に記載の半導体チップ。
- 前記複数のセルの各々の高さが、均一であり、
前記複数のセルの各々の前記高さは、前記第1及び第2の仮想格子の仮想線と平行な方向に測定される、
ことを特徴とする請求項1に記載の半導体チップ。 - 前記複数のセルの各々の幅が、前記第1の仮想格子のピッチの整数倍数であり、
前記第1の仮想格子の仮想線と平行な各配置セルの各境界が、該第1の仮想格子の仮想線と整合される、
ことを特徴とする請求項1に記載の半導体チップ。 - 前記複数のセルの各々の幅が、前記第1の仮想格子のピッチの整数倍数であり、
前記第1の仮想格子の仮想線と平行な各配置セルの各境界が、該第1の仮想格子の隣接仮想線の間の中点と整合される、
ことを特徴とする請求項1に記載の半導体チップ。 - 前記複数のセルの各々の幅が、前記第1の仮想格子のピッチの2分の1の整数倍数であり、
前記第1の仮想格子の仮想線と平行な各配置セルの各境界が、該第1の仮想格子の仮想線又は該第1の仮想格子の隣接仮想線の間の中点のいずれかと整合される、
ことを特徴とする請求項1に記載の半導体チップ。 - 前記第1のチップレベルは、半導体チップのゲートレベルであり、前記第2のチップレベルは、半導体チップの第2の相互接続レベルであることを特徴とする請求項1に記載の半導体チップ。
- 前記第1及び第2の仮想格子の間の前記有理空間的関係は、前記第2の相互接続レベルと前記ゲートレベルの間の3/4という仮想格子ピッチ比によって定められることを特徴とする請求項12に記載の半導体チップ。
- 前記複数のセルのうちの一部が、前記第1及び第2の仮想格子の仮想線と平行なセル境界に沿って中心にある方式で配置された少なくとも1つのレイアウト特徴部を含み、かつ前記第1のチップレベル又は前記第2のチップレベルのいずれかに存在することを特徴とする請求項1に記載の半導体チップ。
- 半導体チップレイアウトがデジタルフォーマットで記録されたコンピュータ可読記憶媒体であって、
前記半導体チップレイアウトは、レイアウト特徴部が第1の仮想格子に従って配置された第1のチップレベルと、レイアウト特徴部が第2の仮想格子に従って配置された第2のチップレベルとを含む論理ブロック区域を含み、
有理空間的関係が、前記第1及び第2の仮想格子の間に存在し、
前記半導体チップレイアウトはまた、前記論理ブロック区域内に配置された複数のセルを含み、
前記複数のセルの各々は、複数のセル位相のうちの適切な1つに従って定められ、
前記複数のセル位相のうちの前記適切な1つは、所定の配置セルの前記第1及び第2のチップレベルにおけるレイアウト特徴部を該所定の配置セル内に位置決めされた時の前記第1及び第2の仮想格子と整合させるものであり、
前記複数のセル位相の各々は、前記第1のチップレベルに対する第1のインデックス値によって、かつ前記第2のチップレベルに対する第2のインデックス値によって定められ、
前記第1のインデックス値は、前記所定の配置セルの左の境界から右方向に前記第1の仮想格子の最も近い仮想線まで垂直に延びる第1の距離に等しく、
前記第2のインデックス値は、前記所定の配置セルの前記左の境界から前記右方向に前記第2の仮想格子の最も近い仮想線まで垂直に延びる第2の距離に等しく、
前記複数のセル位相の各々は、前記第1のインデックス値及び前記第2のインデックス値の異なる組み合わせを有する、
ことを特徴とするコンピュータ可読記憶媒体。 - 前記デジタルフォーマットは、1つ又はそれよりも多くの半導体デバイスレイアウトを記憶してそれと通信するためのデータファイルフォーマットであることを特徴とする請求項15に記載のコンピュータ可読記憶媒体。
- 前記半導体チップレイアウト又はその一部分にアクセスしてコンピュータ可読記憶媒体から前記デジタルフォーマットでそれを取り出すためのプログラム命令を含むことを特徴とする請求項15に記載のコンピュータ可読記憶媒体。
- アクセスして取り出すための前記プログラム命令は、前記デジタルフォーマットの前記半導体チップレイアウトの選択可能部分を含むライブラリ、セル、又はライブラリとセルの両方を選択するためのプログラム命令を含むことを特徴とする請求項17に記載のコンピュータ可読記憶媒体。
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US12/497,052 US8214778B2 (en) | 2007-08-02 | 2009-07-02 | Methods for cell phasing and placement in dynamic array architecture and implementation of the same |
PCT/US2009/049580 WO2010008948A2 (en) | 2008-07-16 | 2009-07-02 | Methods for cell phasing and placement in dynamic array architecture and implementation of the same |
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