JP2005150478A - マルチチップモジュール - Google Patents
マルチチップモジュール Download PDFInfo
- Publication number
- JP2005150478A JP2005150478A JP2003387188A JP2003387188A JP2005150478A JP 2005150478 A JP2005150478 A JP 2005150478A JP 2003387188 A JP2003387188 A JP 2003387188A JP 2003387188 A JP2003387188 A JP 2003387188A JP 2005150478 A JP2005150478 A JP 2005150478A
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- Prior art keywords
- chip
- semiconductor chip
- semiconductor
- bonding
- chips
- Prior art date
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- H01L2924/1531—Connection portion the connection portion being formed only on the surface of the substrate opposite to the die mounting surface
- H01L2924/15311—Connection portion the connection portion being formed only on the surface of the substrate opposite to the die mounting surface being a ball array, e.g. BGA
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Abstract
【解決手段】 搭載基板の表面上に面付けされた第1半導体チップ上に背中合わせにチップ表面の周辺部にボンディングパッドが設けられた第2半導体チップを搭載し、上記第2半導体チップ表面の上記ボンディングパッドが形成される部分を含む所定エリアを除いた部分にスペーサを設けてその上に上記第2半導体チップと同じ回路機能を有し、同じ向きに第3半導体チップを搭載し、上記第2半導体チップ及び第3半導体チップのボンディングパッドを上記搭載基板上に形成された対応する電極に対してボンディングワイヤで接続し、上記搭載基板上の上記第1、第2、第3半導体チップ及びボンディングワイヤを封止体で封止する。
【選択図】 図1
Description
CPU…中央処理装置、DSP…データシグナルプロセッサDSP、XYMEM…メモリ、XYCNT…メモリコントローラ、CACHE…キュッシュメモリ、CCN…キャッシュメモリコントローラ、MMU…メモリマネージメントコントローラ、TLB…トランスレーションルックアサイドバッファ、INTC…割り込みコントローラ、CPG/WDT…クロック発振器/ウォッチドッグタイマ、VIO…ビデオI/Oモジュール、UBC…ユーザーブレークコントローラ、AUD…アドバンストユーザーデバッガ、TMU…タイマユニット、CMT…コンペアマッチタイマ、SIOF0…シリアルI/O(FIFO付き)、SCIF1…FIFO内蔵シリアルコミュニケーションインターフェイス、I2 C…I2 Cコントローラ、MFI…多機能インターフェイス、FLCTL…NAND/ANDフラッシュインターフェイス、H−UDI…ユーザーデバックインターフェイス、ASERAM…ASEメモリ、PFC…メモリピンファンクションコントローラ、RWDT…RCLK動作ウォッチドッグタイマ、BSC…バスステートコントローラ、DMAC…ダイレクトメモリアクセスコントローラ。
Claims (10)
- 搭載基板の表面上に面付けされた第1半導体チップと、
上記第1半導体チップ上に背中合わせで搭載され、チップ表面の周辺部にボンディングパッドが設けられた第2半導体チップと、
上記第2半導体チップ表面の上記ボンディングパッドが形成される部分を含む所定エリアを除いた部分に搭載されたスペーサと、
上記スペーサ上に搭載され、上記第2半導体チップと同じ回路機能を有し、同じ向きに搭載された第3半導体チップと、
上記第2半導体チップ及び第3半導体チップのボンディングパッドを上記搭載基板上に形成された対応する電極に対してそれぞれ共通に接続するボンディングワイヤと、
上記搭載基板上の上記第1、第2、第3半導体チップ及びボンディングワイヤを封止する封止体とを備えてなることを特徴とするマルチチップモジュール。 - 請求項1において、
上記第3半導体チップの裏面は、電気絶縁性を有するものであることを特徴とするマルチチップモジュール。 - 請求項2において、
上記第3半導体チップ裏面の電気絶縁性は、第3半導体チップを上記スペーサの表面に固着するダイボンドフィルムにより構成されることを特徴とするマルチチップモジュール。 - 請求項3において、
スペーサは、多結晶シリコンを含むものあることを特徴とするマルチチップモジュール。 - 請求項4において、
上記第2半導体チップは、上記第1半導体チップの表面にダイボンドフィルムにより固着されるものであることを特徴とするマルチチップモジュール。 - 請求項1において、
上記第1半導体チップは、上記第2及び第3半導体チップよりも小さなサイズに形成されるものであることを特徴とするマルチチップモジュール。 - 請求項1において、
上記第3半導体チップの表面には、上記第3半導体チップ表面の上記ボンディングパッドが形成される部分を含む所定エリアを除いた部分に搭載され、チップ表面の周辺部にボンディングパッドが設けられた第4半導体チップを更に有し、
上記第4半導体チップのボンディングパッドは、上記搭載基板上に形成された対応する電極に対してボンディングワイヤにより接続されてなることを特徴とするマルチチップモジュール。 - 請求項7において、
上記第1半導体チップは、電気的に消去が可能とされ、不揮発性メモリセルに記憶情報を記録するメモリチップであり、
上記第2及び第3半導体チップは、ダイナミック型メモリセルに記憶情報を記憶するメモリチップであり、
上記第4チップは、マイクロプロセッサを含む半導体チップであることを特徴とするマルチチップモジュール。 - 請求項7において、
上記第1半導体チップは、上記第4半導体チップよりも多い数の接続電極を有することを特徴とするマルチチップモジュール。 - 請求項9において、
上記第1チップは、マイクロプロセッサを含む半導体チップであり、
上記第2及び第3チップは、ダイナミック型メモリセルに記憶情報を記憶するメモリチップであり、
上記第4チップは、電気的に消去が可能とされ、不揮発性メモリセルに記憶情報を記録するメモリチップであることを特徴とするマルチチップモジュール。
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