JPWO2020066797A1 - 半導体集積回路装置および半導体パッケージ構造 - Google Patents
半導体集積回路装置および半導体パッケージ構造 Download PDFInfo
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- JPWO2020066797A1 JPWO2020066797A1 JP2020548560A JP2020548560A JPWO2020066797A1 JP WO2020066797 A1 JPWO2020066797 A1 JP WO2020066797A1 JP 2020548560 A JP2020548560 A JP 2020548560A JP 2020548560 A JP2020548560 A JP 2020548560A JP WO2020066797 A1 JPWO2020066797 A1 JP WO2020066797A1
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 330
- 239000000758 substrate Substances 0.000 claims description 29
- 239000011295 pitch Substances 0.000 description 33
- 230000004048 modification Effects 0.000 description 13
- 238000012986 modification Methods 0.000 description 13
- 238000000034 method Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 239000002070 nanowire Substances 0.000 description 4
- 230000010354 integration Effects 0.000 description 2
- 230000014509 gene expression Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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Abstract
Description
図1は実施形態に係る半導体集積回路装置の全体構成を示す図である。図1に示すように、半導体集積回路装置100は、第1半導体チップ101(チップA)と、第2半導体チップ102(チップB)とが、積層されることによって構成されている。第1半導体チップ101は、複数のトランジスタを含む回路が形成されている。第2半導体チップ102は、トランジスタ等の素子は形成されておらず、複数の配線層に形成された電源配線を備えている。積層された部分では、第1半導体チップ101の裏面と第2半導体チップ102の主面とが対向している。
図6は第1実施形態の変形例1に係る半導体集積回路装置の構成を示す図であり、第1半導体チップ101と第2半導体チップ102とが積層された部分近傍における電源配線の構造を示す平面図である。また、図7は、図6の線C−Cにおける断面図である。
図8は第1実施形態の変形例2に係る半導体集積回路装置の構成を示す図であり、第1半導体チップ101と第2半導体チップ102とが積層された部分近傍における電源配線の構造を示す平面図である。また、図9は、図8の線D−Dにおける断面図である。
第2実施形態では、第1半導体チップ101において、電源配線は、BPRではなく、M1配線層に形成されている。本実施形態に係る半導体集積回路装置の平面構造は、図2と同様である。ただし、第1半導体チップ101には、BPRである電源配線11〜14の代わりに、M1配線層に形成された電源配線が設けられている。
以下、上述した実施形態に係る半導体集積回路装置を用いた半導体パッケージ構造の例について説明する。ここでの説明では、半導体パッケージ構造はBGA(Ball Grid Array)タイプのものとしているが、これに限られるものではない。
図12は半導体パッケージ構造の構造例1を示す模式断面図である。図12の構造例では、パッケージ基板301は、一方の面(図では下面)に、電源用の外部端子303、および、入出力信号用の外部端子304が設けられている。第1半導体チップ101(チップA)と第2半導体チップ102(チップB)とが積層されてなる半導体集積回路装置100は、パッケージ基板301の他方の面(図では上面)に搭載されている。第2半導体チップ102は裏面にバンプ302が設けられており、バンプ302を介してパッケージ基板301と電気的に接続されている。なお、図示を簡略化しているが、バンプおよび外部端子は、実際には多数設けられる。
図13は半導体パッケージ構造の構造例2を示す模式断面図である。図12の構造例との相違点は、信号用IOセル312と入出力信号用の外部端子304との接続形態である。すなわち、図13の構造例では、信号用IOセル312の信号端子は、第1半導体チップ101の上部に設けられたパッド331と接続されており、パッド331は、ボンディングワイヤ333を介して、パッケージ基板301に設けられたパッド332と接続されている。パッド332はパッケージ基板301内の配線およびビアを介して、外部端子304と接続されている。その他の構成は、図12の構造例と同様である。
図14は半導体パッケージ構造の構造例3を示す模式断面図である。図14の構造例では、第1半導体チップ101および第2半導体チップ102の上下が、図12および図13の構造例と逆になっている。第1半導体チップ101は主面にバンプ305が設けられており、バンプ305を介してパッケージ基板301と電気的に接続されている。信号用IOセル312の信号端子は、バンプ305を介して、入出力信号用の外部端子304と接続されている。
図15は半導体パッケージ構造の構造例4を示す模式断面図である。図15の構造例は、図13の構造例に、インターポーザ351および第3半導体チップ352(チップC)を追加した構造になっている。インターポーザ351は配線のみを有する中継基板であり、バンプ353を介して第1半導体チップ101と接続されている。第3半導体チップ352は、バンプ354を介してインターポーザ351と接続されている。第3半導体チップ352は、インターポーザ351を介して、第1半導体チップ101と信号のやりとりを行う。
21,22 ビア
25,26 ビア
31,32,33,34 第2半導体チップの電源配線
35,36,37,38 第2半導体チップの電源配線
100 半導体集積回路装置
101 第1半導体チップ
102 第2半導体チップ
121,122 ビア
131,133 第2半導体チップの電源配線
132 開口部
213 第1半導体チップのM1電源配線
221 ビア
301 パッケージ基板
302 バンプ
303 電源用の外部端子
305 バンプ
343 ボンディングワイヤ
Claims (11)
- 第1半導体チップと、
前記第1半導体チップに積層された第2半導体チップとを備え、
前記第1半導体チップの裏面と前記第2半導体チップの主面とが対向しており、
前記第1半導体チップは、
複数のトランジスタと、
第1方向に延び、前記第1方向と垂直をなす第2方向に並べて配置された複数の電源配線からなり、前記複数のトランジスタに第1電源電圧を供給する、第1電源配線と、
前記第1半導体チップの裏面から前記第1電源配線に達する複数の第1ビアとを備え、
前記第2半導体チップは、
前記第2半導体チップの主面に最も近い配線層である第1配線層に形成されており、前記第2方向に延び、前記第1方向に並べて配置された複数の電源配線からなる、第2電源配線を備え、
前記第1電源配線は、前記複数の第1ビアを介して、前記第2電源配線と接続される
ことを特徴とする半導体集積回路装置。 - 請求項1記載の半導体集積回路装置において、
前記第1半導体チップは、
前記第1方向に延び、前記第2方向に並べて配置された複数の電源配線からなり、前記複数のトランジスタに第2電源電圧を供給する、第3電源配線と、
前記第1半導体チップの裏面から前記第3電源配線に達する複数の第2ビアとを備え、
前記第2半導体チップは、
前記第1配線層に形成されており、前記第2方向に延び、前記第1方向に並べて配置された複数の電源配線からなる、第4電源配線を備え、
前記第3電源配線は、前記複数の第2ビアを介して、前記第4電源配線と接続される
ことを特徴とする半導体集積回路装置。 - 第1半導体チップと、
前記第1半導体チップに積層された第2半導体チップとを備え、
前記第1半導体チップの裏面と前記第2半導体チップの主面とが対向しており、
前記第1半導体チップは、
複数のトランジスタと、
第1方向に延び、前記第1方向と垂直をなす第2方向に所定の第1ピッチで並べて配置された複数の電源配線からなり、前記複数のトランジスタに第1電源電圧を供給する、第1電源配線と、
前記第1半導体チップの裏面から前記第1電源配線に達する複数の第1ビアとを備え、
前記第2半導体チップは、
前記第2半導体チップの主面に最も近い配線層である第1配線層に形成されており、前記第1方向に延び、前記第2方向に前記第1ピッチで並べて配置された複数の電源配線からなる、第2電源配線を備え、
前記第1電源配線は、前記複数の第1ビアを介して、前記第2電源配線と接続される
ことを特徴とする半導体集積回路装置。 - 請求項3記載の半導体集積回路装置において、
前記第1半導体チップは、
前記第1方向に延び、前記第2方向に並べて配置された複数の電源配線からなり、前記複数のトランジスタに第2電源電圧を供給する、第3電源配線と、
前記第1半導体チップの裏面から前記第3電源配線に達する複数の第2ビアとを備え、
前記第2半導体チップは、
前記第1配線層に形成されており、前記第1方向に延び、前記第2方向に並べて配置された複数の電源配線からなる、第4電源配線を備え、
前記第3電源配線は、前記複数の第2ビアを介して、前記第4電源配線と接続される
ことを特徴とする半導体集積回路装置。 - 第1半導体チップと、
前記第1半導体チップに積層された第2半導体チップとを備え、
前記第1半導体チップの裏面と前記第2半導体チップの主面とが対向しており、
前記第1半導体チップは、
複数のトランジスタと、
第1方向に延び、前記第1方向と垂直をなす第2方向に並べて配置された複数の電源配線からなり、前記複数のトランジスタに第1電源電圧を供給する、第1電源配線と、
前記第1方向に延び、前記第2方向に並べて配置された複数の電源配線からなり、前記複数のトランジスタに第2電源電圧を供給する、第2電源配線と、
前記第1半導体チップの裏面から前記第1電源配線に達する複数の第1ビアと、
前記第1半導体チップの裏面から前記第2電源配線に達する複数の第2ビアとを備え、
前記第2半導体チップは、
前記第2半導体チップの主面に最も近い配線層である第1配線層に形成されており、開口部を有する、第3電源配線と、
前記第1配線層において、前記第3電源配線の開口部に形成された、第4電源配線とを備え、
前記第1電源配線は、前記複数の第1ビアを介して、前記第3電源配線と接続され、
前記第2電源配線は、前記複数の第2ビアを介して、前記第4電源配線と接続される
ことを特徴とする半導体集積回路装置。 - 一方の面に、電源用の外部端子が設けられたパッケージ基板と、
前記パッケージ基板の他方の面に搭載された、請求項1または3記載の半導体集積回路装置とを備え、
前記半導体集積回路装置における前記第2半導体チップが備える前記第2電源配線は、前記外部端子に、電気的に接続されている
ことを特徴とする半導体パッケージ構造。 - 請求項6記載の半導体パッケージ構造において、
前記第2半導体チップは、裏面にバンプが設けられており、前記バンプを介して前記パッケージ基板と接続されており、
前記第2電源配線は、前記バンプを介して、前記外部端子に電気的に接続されている
ことを特徴とする半導体パッケージ構造。 - 請求項6記載の半導体パッケージ構造において、
前記第1半導体チップは、主面にバンプが設けられており、前記バンプを介して前記パッケージ基板と接続されており、
前記第2電源配線は、ボンディングワイヤを介して、前記外部端子に電気的に接続されている
ことを特徴とする半導体パッケージ構造。 - 一方の面に、電源用の外部端子が設けられたパッケージ基板と、
前記パッケージ基板の他方の面に搭載された、請求項5記載の半導体集積回路装置とを備え、
前記半導体集積回路装置における前記第2半導体チップが備える前記第3電源配線は、前記外部端子に、電気的に接続されている
ことを特徴とする半導体パッケージ構造。 - 請求項9記載の半導体パッケージ構造において、
前記第2半導体チップは、裏面にバンプが設けられており、前記バンプを介して前記パッケージ基板と接続されており、
前記第3電源配線は、前記バンプを介して、前記外部端子に電気的に接続されている
ことを特徴とする半導体パッケージ構造。 - 請求項9記載の半導体パッケージ構造において、
前記第1半導体チップは、主面にバンプが設けられており、前記バンプを介して前記パッケージ基板と接続されており、
前記第3電源配線は、ボンディングワイヤを介して、前記外部端子に電気的に接続されている
ことを特徴とする半導体パッケージ構造。
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