JP6515724B2 - 半導体装置 - Google Patents
半導体装置 Download PDFInfo
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- JP6515724B2 JP6515724B2 JP2015151935A JP2015151935A JP6515724B2 JP 6515724 B2 JP6515724 B2 JP 6515724B2 JP 2015151935 A JP2015151935 A JP 2015151935A JP 2015151935 A JP2015151935 A JP 2015151935A JP 6515724 B2 JP6515724 B2 JP 6515724B2
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Description
第2の基板と、前記第2の基板の表面側に形成された第2の配線層と、前記第2の配線層の表面側に形成された第2の表面側パッドと、前記第2の基板に形成された出力回路とを備え、前記第2の配線層が前記第2の表面側パッドを前記出力回路の出力端子に接続する出力信号配線を備える、第2の半導体とを有し、
前記第1の半導体の裏面側に前記第2の半導体が積層され、前記第1の半導体の前記第1の裏面側パッドと前記第2の半導体の前記第2の表面側パッドとが互いに接続された、半導体装置である。
図5は、第1の実施の形態における積層された複数チップを有する半導体装置を示す図である。図5には、2つのチップCHP_1, CHP_2が積層されている。
図9は、第2の実施の形態におけるチップの断面構成と回路とを示す図である。図9のチップCHP_1の断面構造は、図5と同様に、表面側マイクロバンプ用パッドPAD_B1と裏面側マイクロバンプ用パッドPAD_B2とが、ビアTSVと入力信号配線20とを介して接続され、共に入力回路I_CIRの入力端子に接続される。したがって、図5と同様に、両パッドPAD_B1, PAD_B2のいずれか一方が外部と接続されなくても、他方が異なるチップのパッドPAD_B3, PAD_B4のいずれかに接続されて、オープン状態になることはない。
図12は、第3の実施の形態における2つのチップを積層した半導体装置の断面構造を示す図である。また、図13は、図12の2つのチップの裏面側と表面側の構成を示す平面図である。図12は、図13のB-Bの一点鎖線の断面図である。図13の平面図において、裏面と表面は、二点鎖線で折り返される。
第1の基板と、前記第1の基板を貫通する第1のビアと、前記第1の基板の裏面側に形成され前記第1のビアと接続された第1の裏面側パッドと、前記第1の基板の表面側に形成された第1の配線層と、前記第1の配線層の表面側に形成された第1の表面側パッドと、前記第1の基板に形成された入力回路とを備え、前記第1の配線層が前記第1のビアと前記第1の表面側パッドと前記入力回路の入力端子とを接続する入力信号配線を備える、第1の半導体と、
第2の基板と、前記第2の基板の表面側に形成された第2の配線層と、前記第2の配線層の表面側に形成された第2の表面側パッドと、前記第2の基板に形成された出力回路とを備え、前記第2の配線層が前記第2の表面側パッドを前記出力回路の出力端子に接続する出力信号配線を備える、第2の半導体とを備え、
前記第1の半導体の裏面側に前記第2の半導体が積層され、前記第1の半導体の前記第1の裏面側パッドと前記第2の半導体の前記第2の表面側パッドとが互いに接続された、半導体装置。
さらに、第3の基板と、前記第3の基板を貫通する第3のビアと、前記第3の基板の裏面側に形成された前記第3のビアと接続された第3の裏面側パッドと、前記第3の基板の表面側に形成された第3の配線層と、前記第3の基板に形成された出力回路とを備えるとともに、前記第3の配線層が前記第3のビアを前記出力回路の出力端子に接続する第3の出力配線を備える、第3の半導体とを備え、
前記第1の半導体の表面側に前記第3の半導体が積層され、前記第1の半導体の第1の表面側パッドと前記第3の半導体の第3の裏面側パッドとが接続されていない、付記1に記載の半導体装置。
前記第1の半導体は、前記第1の配線層の表面側に形成され、前記第1の表面側パッドよりもサイズが大きい第4の表面側パッドを備え、
前記第4の表面側パッドは、抵抗素子を介して所定の電源配線に接続されている、付記1に記載の半導体装置。
前記第1の半導体の第1の表面側パッドは、前記抵抗素子を介して所定の電源配線に接続されていない、付記3に記載の半導体装置。
前記第1の半導体の前記第1の表面側パッドと前記第1の裏面側パッドとは平面視で同じ位置に配置され、
前記第1の半導体と第2の半導体とは、積層面にそって互いに180°回転して積層される、付記1に記載の半導体装置。
前記第1の半導体の前記第1の表面側パッドと前記第1の裏面側パッドとは平面視で異なる位置に配置され、
前記第1の半導体と第2の半導体とは、積層面にそって互いに同じ位置関係で積層される、付記1に記載の半導体装置。
第1の基板と、前記第1の基板を貫通する第1のビアと、前記第1の基板の裏面側に形成され前記第1のビアと接続された第1の裏面側パッドと、前記第1の基板の表面側に形成された第1の配線層と、前記第1の配線層の表面側に形成された第1の表面側パッドと、前記第1の基板に形成された入力回路とを備え、前記第1の配線層が前記第1のビアと前記第1の表面側パッドと前記入力回路の入力端子とを接続する入力信号配線を備える、第1の半導体と、
第2の基板と、前記第2の基板を貫通する第2のビアと、前記第2の基板の裏面側に形成され前記第2のビアと接続された第2の裏面側パッドと、前記第2の基板の表面側に形成された第2の配線層と、前記第2の基板に形成された出力回路とを備え、前記第2の配線層が前記第2のビアを前記出力回路の出力端子に接続する出力信号配線を備える、第2の半導体とを備え、
前記第2の半導体の裏面側に前記第1の半導体が積層され、前記第2の半導体の前記第2の裏面側パッドと前記第1の半導体の前記第1の表面側パッドとが互いに接続された、半導体装置。
さらに、第3の基板と、前記第3の基板の表面側に形成された第3の配線層と、前記第3の配線層の表面側に形成された第3の表面側パッドと、前記第3の基板に形成された出力回路とを備え、前記第3の配線層が前記第3の表面側パッドを前記出力回路の出力端子に接続する出力信号配線を備える、第3の半導体とを備え、
前記第1の半導体の表面側に前記第3の半導体が積層され、前記第1の半導体の第1の裏面側パッドと前記第3の半導体の第3の表面側パッドとが接続されていない、付記7に記載の半導体装置。
前記第2の半導体は、前記第2の配線層の表面側に形成され、前記第2の裏面側パッドよりもサイズが大きい第4の表面側パッドを備え、
前記第4の表面側パッドは、抵抗素子を介して所定の電源配線に接続される、付記7に記載の半導体装置。
前記第1の半導体の第1の表面側パッドは、前記抵抗素子を介して所定の電源配線に接続されていない、付記9に記載の半導体装置。
前記第1の半導体の前記第1の表面側パッドと前記第1の裏面側パッドとは平面視で同じ位置に配置され、
前記第1の半導体と第2の半導体とは、積層面にそって互いに180°回転して積層される、付記7に記載の半導体装置。
前記第1の半導体の前記第1の表面側パッドと前記第1の裏面側パッドとは平面視で異なる位置に配置され、
前記第1の半導体と第2の半導体とは、積層面にそって互いに同じ位置関係で積層される、付記7に記載の半導体装置。
SUB_1:半導体基板
MUL_1:多層配線層、配線層
I_CIR, LOG, O_CIR:回路
TSV:ビア、スルーシリコンビア
PAD_B2, PAD_B4:裏面側マイクロバンプ用パッド
PAD_B1, PAD_B3:表面側マイクロバンプ用パッド
PAD_A1, PAD_A2:C4バンプ用パッド
BUMP_B:マイクロバンプ
Rp:プルアップ抵抗
VDD:電源配線
20:入力信号配線
21:出力信号配線
30:入力信号配線
31:出力信号配線
Claims (10)
- 第1の基板と、前記第1の基板を貫通する第1のビアと、前記第1の基板の裏面側に形成され前記第1のビアと接続された第1の裏面側パッドと、前記第1の基板の表面側に形成された第1の配線層と、前記第1の配線層の表面側に形成された第1の表面側パッドと、前記第1の基板に形成された第1の入力回路と第1の出力回路を備え、前記第1の配線層が前記第1のビアと前記第1の表面側パッドと前記第1の入力回路の入力端子とを接続し、前記第1の出力回路の出力端子は接続しない入力信号配線を備える、第1の半導体チップと、
第2の基板と、前記第2の基板の表面側に形成された第2の配線層と、前記第2の配線層の表面側に形成された第2の表面側パッドと、前記第2の基板に形成された第2の出力回路とを備え、前記第2の配線層が前記第2の表面側パッドを前記第2の出力回路の出力端子に接続する出力信号配線を備える、第2の半導体チップとを有し、
前記第1の半導体チップの裏面側に前記第2の半導体チップが積層され、前記第1の半導体チップの前記第1の裏面側パッドと前記第2の半導体チップの前記第2の表面側パッドとが互いに接続された、半導体装置。 - さらに、第3の基板と、前記第3の基板を貫通する第3のビアと、前記第3の基板の裏面側に形成された前記第3のビアと接続された第3の裏面側パッドと、前記第3の基板の表面側に形成された第3の配線層と、前記第3の基板に形成された第3の出力回路とを備えるとともに、前記第3の配線層が前記第3のビアを前記第3の出力回路の出力端子に接続する第3の出力配線を備える、第3の半導体チップを有し、
前記第1の半導体チップの表面側に前記第3の半導体チップが積層され、前記第1の半導体チップの第1の表面側パッドと前記第3の半導体チップの第3の裏面側パッドとが接続されていない、請求項1に記載の半導体装置。 - 前記第1の半導体チップは、前記第1の配線層の表面側に形成され、前記第1の表面側パッドよりもサイズが大きい第4の表面側パッドを有し、
前記第4の表面側パッドは、抵抗素子を介して所定の電源配線に接続される、請求項1に記載の半導体装置。 - 前記第1の半導体チップの前記第1の表面側パッドと前記第1の裏面側パッドとは平面視で同じ位置に配置され、
前記第1の半導体チップと第2の半導体チップとは、積層面にそって互いに180°回転して積層される、請求項1に記載の半導体装置。 - 前記第1の半導体チップの前記第1の表面側パッドと前記第1の裏面側パッドとは平面視で異なる位置に配置され、
前記第1の半導体チップと第2の半導体チップとは、積層面にそって互いに同じ位置関係で積層される、請求項1に記載の半導体装置。 - 第1の基板と、前記第1の基板を貫通する第1のビアと、前記第1の基板の裏面側に形成され前記第1のビアと接続された第1の裏面側パッドと、前記第1の基板の表面側に形成された第1の配線層と、前記第1の配線層の表面側に形成された第1の表面側パッドと、前記第1の基板に形成された第1の入力回路と第1の出力回路を備え、前記第1の配線層が前記第1のビアと前記第1の表面側パッドと前記第1の入力回路の入力端子とを接続し、前記第1の出力回路の出力端子は接続しない入力信号配線を備える、第1の半導体チップと、
第2の基板と、前記第2の基板を貫通する第2のビアと、前記第2の基板の裏面側に形成され前記第2のビアと接続された第2の裏面側パッドと、前記第2の基板の表面側に形成された第2の配線層と、前記第2の基板に形成された第2の出力回路とを備え、前記第2の配線層が前記第2のビアを前記第2の出力回路の出力端子に接続する出力信号配線を備える、第2の半導体チップとを有し、
前記第2の半導体チップの裏面側に前記第1の半導体チップが積層され、前記第2の半導体チップの前記第2の裏面側パッドと前記第1の半導体チップの前記第1の表面側パッドとが互いに接続された、半導体装置。 - さらに、第3の基板と、前記第3の基板の表面側に形成された第3の配線層と、前記第3の配線層の表面側に形成された第3の表面側パッドと、前記第3の基板に形成された第3の出力回路とを備え、前記第3の配線層が前記第3の表面側パッドを前記第3の出力回路の出力端子に接続する出力信号配線を備える、第3の半導体チップを有し、
前記第1の半導体チップの裏面側に前記第3の半導体チップが積層され、前記第1の半導体チップの第1の裏面側パッドと前記第3の半導体チップの第3の表面側パッドとが接続されていない、請求項6に記載の半導体装置。 - 前記第2の半導体チップは、前記第2の配線層の表面側に形成され、前記第2の裏面側パッドよりもサイズが大きい第4の表面側パッドを有し、
前記第4の表面側パッドは、抵抗素子を介して所定の電源配線に接続される、請求項6に記載の半導体装置。 - 前記第1の半導体チップの前記第1の表面側パッドと前記第1の裏面側パッドとは平面視で同じ位置に配置され、
前記第1の半導体チップと第2の半導体チップとは、積層面にそって互いに180°回転して積層される、請求項6に記載の半導体装置。 - 前記第1の半導体チップの前記第1の表面側パッドと前記第1の裏面側パッドとは平面視で異なる位置に配置され、
前記第1の半導体チップと第2の半導体チップとは、積層面にそって互いに同じ位置関係で積層される、請求項6に記載の半導体装置。
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JP2015007989A (ja) * | 2014-08-06 | 2015-01-15 | ピーエスフォー ルクスコ エスエイアールエルPS4 Luxco S.a.r.l. | 半導体装置及びその調整方法並びにデータ処理システム |
JP6663104B2 (ja) * | 2015-09-10 | 2020-03-11 | 富士通株式会社 | 半導体装置および半導体装置の制御方法 |
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