JP2009259207A - 半導体メモリカードとそれに用いられる半導体メモリデバイス - Google Patents
半導体メモリカードとそれに用いられる半導体メモリデバイス Download PDFInfo
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Abstract
【解決手段】半導体メモリカード1は、第1の長辺5Aに切り欠き部6が設けられた外形形状を有する配線基板2を具備する。配線基板2の第2の面2bは第1の長辺5Aの切り欠き部6を除く部分に沿って配置された接続パッド10を有する。配線基板2の第2の面2b上にはメモリデバイス12が搭載されている。メモリデバイス12は配線基板2の第1の長辺5Aの近傍に位置する長辺12aに沿って、接続パッド10の配置位置と対応するように偏って配列された電極パッド13を有する。メモリデバイス12上にはコントローラデバイス18が積層されている。
【選択図】図1
Description
Claims (5)
- 第1の長辺に設けられた切り欠き部を有する矩形状の外形形状を備え、外部接続端子を備える第1の面と、前記第1の長辺の前記切り欠き部を除く部分に沿って配置された接続パッドを備える第2の面と有する配線基板と、
前記配線基板の前記第2の面上に搭載され、前記配線基板の前記第1の長辺の近傍に位置する長辺に沿って、かつ前記接続パッドの配置位置と対応するように偏って配列された電極パッドを有するメモリデバイスと、
前記メモリデバイス上に積層され、少なくとも一つの外形辺に沿って配列された電極パッドを有するコントローラデバイスと、
前記メモリデバイスの前記電極パッドと前記配線基板の前記接続パッドとを電気的に接続する第1の金属ワイヤと、
前記コントローラデバイスの前記電極パッドと前記配線基板の前記接続パッドとを電気的に接続する第2の金属ワイヤと、
前記メモリデバイスと前記コントローラデバイスを前記第1および第2の金属ワイヤと共に封止するように、前記配線基板の前記第2の面上に形成された封止樹脂層と
を具備することを特徴とする半導体メモリカード。 - 第1の長辺に設けられた切り欠き部を有する矩形状の外形形状を備え、外部接続端子を備える第1の面と、前記第1の長辺の前記切り欠き部を除く部分に沿って配置された接続パッドを備える第2の面とを有する配線基板と、
前記配線基板の前記第2の面上に積層された複数のメモリデバイスを備え、前記複数のメモリデバイスは前記配線基板の前記第1の長辺の近傍に位置する長辺に沿って、かつ前記接続パッドの配置位置と対応するように偏って配列された電極パッドを有するメモリデバイス群と、
前記メモリデバイス群上に配置され、少なくとも一つの外形辺に沿って配列された電極パッドを有するコントローラデバイスと、
前記複数のメモリデバイスの前記電極パッドと前記配線基板の前記接続パッドとを電気的に接続する第1の金属ワイヤと、
前記コントローラデバイスの前記電極パッドと前記配線基板の前記接続パッドとを電気的に接続する第2の金属ワイヤと、
前記メモリデバイス群と前記コントローラデバイスを前記第1および第2の金属ワイヤと共に封止するように、前記配線基板の前記第2の面上に形成された封止樹脂層と
を具備することを特徴とする半導体メモリカード。 - 請求項1または請求項2記載の半導体メモリカードにおいて、
前記切り欠き部は前記配線基板の前記第1の長辺と第1の短辺との角部から前記第1の長辺に沿って設けられており、かつ前記コントローラデバイスの前記電極パッドは前記配線基板の前記第1の長辺の近傍に位置する第1の辺と前記配線基板の前記第1の短辺と対向する第2の短辺の近傍に位置する第2の辺とに沿って配列されていることを特徴とする半導体メモリカード。 - 矩形の領域形状を備え、前記領域形状の長辺の方向を揃えて並列配置された複数のセルアレイ領域と、
前記複数のセルアレイ領域間に配置され、昇圧回路を備える第1の周辺回路領域と、
前記複数のセルアレイ領域の一方の短辺側に配置され、前記短辺の方向に沿って配列された電極パッドを有する第2の周辺回路領域と
を具備することを特徴とする半導体メモリデバイス。 - 請求項4記載の半導体メモリデバイスにおいて、
前記電極パッドは前記第2の周辺回路領域内で偏って配列されていることを特徴とする半導体メモリデバイス。
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US12/400,390 US8274141B2 (en) | 2008-03-21 | 2009-03-09 | Semiconductor memory card and semiconductor memory device |
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US8274141B2 (en) | 2012-09-25 |
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