JP5996500B2 - 半導体装置および記憶装置 - Google Patents
半導体装置および記憶装置 Download PDFInfo
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- 239000004065 semiconductor Substances 0.000 title claims description 52
- 230000015654 memory Effects 0.000 claims description 54
- 239000000758 substrate Substances 0.000 claims description 39
- 230000001747 exhibiting effect Effects 0.000 claims 1
- 239000011347 resin Substances 0.000 description 9
- 229920005989 resin Polymers 0.000 description 9
- 238000010586 diagram Methods 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 4
- 239000010410 layer Substances 0.000 description 4
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 1
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Description
図1は、第1の実施の形態にかかる半導体装置の概略的な内部構成を示す平面図である。図2は、図1に示す半導体装置をコントローラチップ側から見た側面図である。半導体装置(記憶装置)50は、基板1、第1メモリチップ(第1不揮発性半導体記憶素子)2、第2メモリチップ(第2不揮発性半導体記憶素子)3、コントローラチップ(半導体制御素子)4を備える。
Claims (7)
- 配線が形成された基板と、
平面視において長方形形状を呈する表面を有して、その表面を前記基板の反対側に向けて前記基板上に搭載されたコントローラチップと、
平面視において方形形状を呈する表面を有して、その表面を前記基板の反対側に向けるとともに、前記コントローラチップの第1長辺側に並べて前記基板上に搭載されたメモリチップと、を備え、
平面視における前記第1長辺に沿った方向を第1の方向とした場合に、
前記コントローラチップの表面には、前記第1の方向と直交する一方の第1短辺に沿ってコントローラ側第1端子群が形成され、前記第1長辺と対向する第2長辺に沿ってコントローラ側第2端子群が形成され、前記第1長辺に沿ってコントローラ側第3端子群が形成され、
前記メモリチップは、前記第1の方向と直交し前記第1短辺と同じ側を向く一方の辺に沿って表面に第1メモリ側端子群が形成された第1メモリチップと、前記第1の方向と直交し前記第1短辺と反対の方向を向く他方の辺に沿って表面に第2メモリ側端子群が形成された第2メモリチップとを有し、
前記第1メモリチップと前記第2メモリチップとは前記基板上に積層され、
前記第1メモリチップと前記コントローラチップとが、前記第1メモリ側端子群、前記配線および前記コントローラ側第1端子群を介して電気的に接続され、
前記第2メモリチップと前記コントローラチップとが、前記第2メモリ側端子群、前記配線および前記コントローラ側第2端子群を介して電気的に接続され、
前記第1メモリ側端子群は、前記第1メモリチップの表面の前記コントローラチップ側の辺との間隔よりも、前記コントローラチップ側の反対側となる辺との間隔のほうが小さく、
前記第2メモリ側端子群は、前記第2メモリチップの表面の前記コントローラチップ側の反対側となる辺との間隔よりも、前記コントローラチップ側の辺との間隔のほうが小さい半導体装置。 - 前記基板には、前記コントローラチップが搭載された面とは反対側となる面に外部端子が形成され、
前記コントローラ側第3端子群と前記外部端子とが前記配線を介して電気的に接続され、
前記第1メモリ側端子群と前記第1長辺との距離は、前記第2メモリ側端子群と前記第1長辺との距離よりも長い請求項1に記載の半導体装置。 - 前記第2メモリチップと前記コントローラチップとを電気的に接続させる前記配線は、前記コントローラチップの下側を通る請求項1または2に記載の半導体装置。
- 前記コントローラ側第1端子群と前記第1メモリ側端子群とは、データ入出力端子が、前記コントローラ側第1端子群は前記第1長辺に近い側の端子から順に、前記第1メモリ側端子群は前記コントローラチップ側の反対側となる辺側の端子から順に前記配線を介して接続され、
前記コントローラ側第2端子群と前記第2メモリ側端子群とは、データ入出力端子が、前記コントローラ側第2端子群は前記第1短辺と前記第2長辺とが交差する角部に近い側の端子から順に、前記第2メモリ側端子群は前記コントローラチップ側の反対側となる辺側の端子から順に前記配線を介して接続される請求項1〜3のいずれか1つに記載の半導体装置。 - 前記コントローラチップにおいて、
前記コントローラ側第1端子群を制御する回路領域と、前記コントローラ側第2端子群を制御する回路領域とを、1つの区画としてグランド線で囲んで他の回路領域と電源分離が図られる請求項1〜4のいずれか1つに記載の半導体装置。 - 前記コントローラチップの前記第1短辺と対向する第2短辺には、前記第1メモリ側端子群および前記第2メモリ側端子群に接続される端子群が形成されていない請求項1〜5のいずれか1つに記載の半導体装置。
- 配線と外部端子とが形成された基板と、
平面視において長方形形状を呈する表面を有して、その表面を前記基板の反対側に向けて前記基板上に搭載された半導体制御素子と、
平面視において方形形状を呈する表面を有して、その表面を前記基板の反対側に向けるとともに、前記半導体制御素子の一方の第1長辺側に並べて前記基板上に搭載された第1不揮発性半導体記憶素子と、
平面視において方形形状を呈する表面を有して、その表面を前記基板の反対側に向けるとともに、前記第1不揮発性半導体記憶素子上に重ねて搭載された第2不揮発性半導体記憶素子と、を備え、
平面視における前記第1長辺に沿った方向を第1の方向とした場合に、
前記半導体制御素子の表面には、前記第1の方向と直交する一方の第1短辺に沿って制御素子側第1端子群が形成され、前記第1長辺と対向する第2長辺に沿って制御素子側第2端子群が形成され、前記制御素子側第1端子群および前記制御素子側第2端子群以外の端子群として、前記第1長辺に沿って制御素子側第3端子群が形成され、
前記第1不揮発性半導体記憶素子の表面には、前記第1の方向と直交し前記第1短辺と同じ側を向く一方の辺に沿って第1記憶素子側端子群が形成され、
前記第2不揮発性半導体記憶素子の表面には、前記第1の方向と直交し前記第1短辺と反対の方向を向く他方の辺に沿って第2記憶素子側端子群が形成され、
前記第1不揮発性半導体記憶素子と前記半導体制御素子とが、前記第1記憶素子側端子群、前記配線および前記制御素子側第1端子群を介して電気的に接続され、
前記第2不揮発性半導体記憶素子と前記半導体制御素子とが、前記第2記憶素子側端子群、前記配線および前記制御素子側第2端子群を介して電気的に接続され、
前記基板には、前記半導体制御素子が搭載された面とは反対側となる面に外部端子が形成され、
前記外部端子と前記半導体制御素子とが、前記配線および前記制御素子側第3端子群とを介して電気的に接続され、
前記第1記憶素子側端子群と前記第1長辺との距離は、前記第2記憶素子側端子群と前記第1長辺との距離よりも長い記憶装置。
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Application Number | Priority Date | Filing Date | Title |
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JP2013188501A JP5996500B2 (ja) | 2013-09-11 | 2013-09-11 | 半導体装置および記憶装置 |
TW103100238A TWI548037B (zh) | 2013-09-11 | 2014-01-03 | Semiconductor device and memory device |
CN201410020238.0A CN104425515B (zh) | 2013-09-11 | 2014-01-16 | 半导体装置及存储装置 |
US14/194,398 US9305900B2 (en) | 2013-09-11 | 2014-02-28 | Semiconductor device and memory device |
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JP5996500B2 true JP5996500B2 (ja) | 2016-09-21 |
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