JP2006222252A - 半導体記憶装置及びその負荷試験方法 - Google Patents
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Abstract
【解決手段】 少なくともメモリセルが形成されたコアチップ110と、少なくともメモリセルに対する周辺回路が形成されたインターフェースチップ120と、外部端子群とを備え、外部端子群は、インターフェースチップ120の内部回路に接続されることなくコアチップ110の内部回路に接続されたコア用電源端子131と、コアチップ110の内部回路に接続されることなくインターフェースチップ120の内部回路に接続されたインターフェース用電源端子132とを含んでいる。これにより、両チップに対してそれぞれ最適な動作電圧を与えることが可能となる。
【選択図】 図1
Description
VDD1>VDD2
に設定する。特に限定されるものではないが、例えば、第1のテスト用電位VDD1としては2.7V程度に設定し、第2のテスト用電位VDD2としては2.0V程度に設定すればよい。この状態で、信号端子135を介してアドレス、データ、コマンド、クロックなどが含む入出力信号SIGを供給し、コアチップ110及びインターフェースチップ120を一定時間、連続的に動作させる。
る。
110〜117 コアチップ
118 コアチップの配線
119 コアチップの貫通電極
120 インターフェースチップ
128 インターフェースチップの配線
129 インターフェースチップの貫通電極
130 外部端子群
131 コア用電源端子
132 インターフェース用電源端子
133 共用電源端子
134 グランド端子
135 信号端子
140 内部端子群
150 インターポーザ
158 インターポーザの配線
159 インターポーザの貫通電極
Di 内部端子群の電極ピッチ
Do 外部端子群の電極ピッチ
VDDa,VDDb,VDDc 電源電位
Claims (14)
- 少なくともメモリセルが形成されたコアチップと、少なくとも前記メモリセルに対する周辺回路が形成されたインターフェースチップと、外部端子群とを備え、
前記外部端子群は、前記インターフェースチップの内部回路に接続されることなく前記コアチップの内部回路に接続されたコア用電源端子と、前記コアチップの内部回路に接続されることなく前記インターフェースチップの内部回路に接続されたインターフェース用電源端子とを少なくとも含んでいることを特徴とする半導体記憶装置。 - 前記外部端子群は、前記コアチップの内部回路及び前記インターフェースチップの内部回路の両方に接続された共用電源端子をさらに含んでいることを特徴とする請求項1に記載の半導体記憶装置。
- 前記コア用電源端子は前記コアチップの第1の内部回路に接続され、前記共用電源端子は前記コアチップの第2の内部回路に接続されており、前記コアチップの前記第1の内部回路は、前記メモリセルのデータを保持するための回路部分を少なくとも含み、前記コアチップの前記第2の内部回路は、前記インターフェースチップに対して信号を出力する出力段を少なくとも含むことを特徴とする請求項2に記載の半導体記憶装置。
- 少なくともメモリセルが形成されたコアチップと、少なくとも前記メモリセルに対する入出力回路が形成されたインターフェースチップと、外部端子群とを備え、
前記外部端子群は、前記コアチップの第1の内部回路に接続されたコア用電源端子と、前記コアチップの第2の内部回路及び前記インターフェースチップの所定の内部回路に接続された共用電源端子とを少なくとも含んでいることを特徴とする半導体記憶装置。 - 前記コアチップの前記第1の内部回路は、前記メモリセルのデータを保持するための回路を少なくとも含み、前記コアチップの前記第2の内部回路は、前記インターフェースチップに対して信号を出力する出力段を少なくとも含むことを特徴とする請求項4に記載の半導体記憶装置。
- 前記コアチップと前記インターフェースチップは、互いに積層されていることを特徴とする請求項1乃至5のいずれか1項に記載の半導体記憶装置。
- 前記コアチップを複数備えていることを特徴とする請求項6に記載の半導体記憶装置。
- 前記インターフェースチップは、前記コアチップと前記外部端子群との間に配置されていることを特徴とする請求項6又は7に記載の半導体記憶装置。
- 前記インターフェースチップには貫通孔が形成されており、前記コア用電源端子は、前記貫通孔内に設けられた貫通電極を介して前記コアチップの内部回路に接続されていることを特徴とする請求項8に記載の半導体記憶装置。
- 前記外部端子群は、前記インターフェースチップの一方の面に形成されており、前記外部端子群の電源ピッチは、前記インターフェースチップの他方の面に設けられた内部端子群の電極ピッチよりも広いことを特徴とする請求項8又は9に記載の半導体記憶装置。
- 前記コアチップは、前記インターフェースチップと前記外部端子との間に配置されていることを特徴とする請求項6又は7に記載の半導体記憶装置。
- 前記コアチップには貫通孔が形成されており、前記インターフェース用電源端子は、前記貫通孔内に設けられた貫通電極を介して前記インターフェースチップの内部回路に接続されていることを特徴とする請求項11に記載の半導体記憶装置。
- 前記コアチップと前記外部端子との間に配置され、電極ピッチを変換するインターポーザをさらに備えていることを特徴とする請求項11又は12に記載の半導体記憶装置。
- 請求項1乃至3及び6乃至13のいずれか1項に記載の半導体記憶装置の負荷試験方法であって、前記コア用電源端子及び前記インターフェース用電源端子にそれぞれ異なる電圧を印加することにより、前記コアチップと前記インターフェースチップを同時に試験することを特徴とする半導体記憶装置の負荷試験方法。
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US11/349,091 US7760573B2 (en) | 2005-02-10 | 2006-02-08 | Semiconductor memory device and stress testing method thereof |
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Cited By (5)
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JP2008004853A (ja) * | 2006-06-26 | 2008-01-10 | Hitachi Ltd | 積層半導体装置およびモジュール |
JP2010050259A (ja) * | 2008-08-21 | 2010-03-04 | Zycube:Kk | 3次元積層半導体装置 |
US8237289B2 (en) | 2007-01-30 | 2012-08-07 | Kabushiki Kaisha Toshiba | System in package device |
JP2012204653A (ja) * | 2011-03-25 | 2012-10-22 | Dainippon Printing Co Ltd | 半導体装置、半導体装置の製造方法 |
WO2014061426A1 (ja) * | 2012-10-15 | 2014-04-24 | ピーエスフォー ルクスコ エスエイアールエル | 半導体装置 |
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KR100460459B1 (ko) * | 2002-07-30 | 2004-12-08 | 삼성전자주식회사 | 향상된 테스트 모드를 갖는 반도체 메모리 장치 |
JP3908146B2 (ja) | 2002-10-28 | 2007-04-25 | シャープ株式会社 | 半導体装置及び積層型半導体装置 |
JP2004152399A (ja) | 2002-10-30 | 2004-05-27 | Renesas Technology Corp | 半導体記憶装置 |
JP4419049B2 (ja) | 2003-04-21 | 2010-02-24 | エルピーダメモリ株式会社 | メモリモジュール及びメモリシステム |
DE102004060345A1 (de) * | 2003-12-26 | 2005-10-06 | Elpida Memory, Inc. | Halbleitervorrichtung mit geschichteten Chips |
JP4205613B2 (ja) | 2004-03-01 | 2009-01-07 | エルピーダメモリ株式会社 | 半導体装置 |
JP2005277356A (ja) * | 2004-03-26 | 2005-10-06 | Sanyo Electric Co Ltd | 回路装置 |
JP4534132B2 (ja) | 2004-06-29 | 2010-09-01 | エルピーダメモリ株式会社 | 積層型半導体メモリ装置 |
-
2005
- 2005-02-10 JP JP2005034009A patent/JP4094614B2/ja not_active Expired - Fee Related
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2006
- 2006-02-08 US US11/349,091 patent/US7760573B2/en active Active
Cited By (5)
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JP2008004853A (ja) * | 2006-06-26 | 2008-01-10 | Hitachi Ltd | 積層半導体装置およびモジュール |
US8237289B2 (en) | 2007-01-30 | 2012-08-07 | Kabushiki Kaisha Toshiba | System in package device |
JP2010050259A (ja) * | 2008-08-21 | 2010-03-04 | Zycube:Kk | 3次元積層半導体装置 |
JP2012204653A (ja) * | 2011-03-25 | 2012-10-22 | Dainippon Printing Co Ltd | 半導体装置、半導体装置の製造方法 |
WO2014061426A1 (ja) * | 2012-10-15 | 2014-04-24 | ピーエスフォー ルクスコ エスエイアールエル | 半導体装置 |
Also Published As
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US20060195734A1 (en) | 2006-08-31 |
JP4094614B2 (ja) | 2008-06-04 |
US7760573B2 (en) | 2010-07-20 |
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