JP5748621B2 - 半導体チップ - Google Patents
半導体チップ Download PDFInfo
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- JP5748621B2 JP5748621B2 JP2011198183A JP2011198183A JP5748621B2 JP 5748621 B2 JP5748621 B2 JP 5748621B2 JP 2011198183 A JP2011198183 A JP 2011198183A JP 2011198183 A JP2011198183 A JP 2011198183A JP 5748621 B2 JP5748621 B2 JP 5748621B2
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Description
本発明の実施の形態1による半導体チップ1は、図1(a)(b)に示すように、四角形の半導体基板2と、80個のパッドPAと、1個のパッドPBと、19個のパッドPCとを備える。パッドPA,PB,PCは、半導体基板2の表面の外周に沿って配列されている。パッドPBは、所定の間隔を開けて配置された2つの電極E1,E2を含む。電極E1,E2の間隔は、ボンディングワイヤWの端部の直径よりも小さく設定されている。また、電極E1,E2の間隔は、電極E1,E2間を電気的に絶縁することが可能な距離に設定されている。
図9は、この発明の実施の形態2による半導体チップの要部を示す回路ブロック図であって、図2と対比される図である。実施の形態1の半導体チップ1では、80端子のパッケージ3に搭載された場合に使用されず、100端子のパッケージ5に搭載された場合に使用される20個のパッド(PC)のうちの1つのパッドPBをパッケージの端子数の判定に使用した。これに対して、この実施の形態2では、80端子のパッケージ3に搭載された場合に使用されず、100端子のパッケージ5に搭載された場合に使用される20個のパッド(PC)のうちの複数(ここでは3つ)のパッドPB1〜PB3をパッケージの端子数の判定に使用する。
Claims (5)
- N個(ただし、Nは自然数である)の第1の端子を有する第1のパッケージと、M個(ただし、MはNよりも大きな整数である)の第2の端子を有する第2のパッケージとのうちの所望のパッケージに搭載可能な半導体チップであって、
N個の第1のパッドおよび(M−N)個の第2のパッドと、
各第1のパッドに対応して設けられて対応の第1のパッドに接続され、データ信号の入力および出力のうちの少なくともいずれか一方を行なう第1の信号伝達回路と、
各第2のパッドに対応して設けられて対応の第2のパッドに接続され、データ信号の入力および出力のうちの少なくともいずれか一方を行なう第2の信号伝達回路とを備え、
前記半導体チップが前記第1のパッケージに搭載された場合は前記N個の第1のパッドがN本のボンディングワイヤを介してそれぞれ前記N個の第1の端子に接続され、前記半導体チップが前記第2のパッケージに搭載された場合は前記N個の第1のパッドおよび前記(M−N)個の第2のパッドがM本のボンディングワイヤを介してそれぞれ前記M個の第2の端子に接続され、
前記(M−N)個の第2のパッドのうちの選択された第2のパッドは、互いに絶縁された第1および第2の電極に分割されており、
前記第2の電極は対応する第2の信号伝達回路に接続され、
前記第1および第2の電極は、対応の第2のパッドがボンディングワイヤを介して対応の第2の端子に接続されると、そのボンディングワイヤの端部によって短絡されるように所定の間隔を開けて配置され、
前記半導体チップは、
さらに、前記第1および第2の電極間が絶縁されているか短絡されているかを検出し、前記第1および第2の電極間が絶縁されている場合は第1の信号を出力し、前記第1および第2の電極間が短絡されている場合は第2の信号を出力する検出回路と、
前記検出回路の出力信号を格納するレジスタと、
前記レジスタに前記第1の信号が格納されている場合は、前記N個の第1のパッドおよびN個の前記第1の信号伝達回路を用いてデータ信号の入力および出力のうちの少なくともいずれか一方を行ない、前記レジスタに前記第2の信号が格納されている場合は、前記N個の第1のパッド、前記(M−N)個の第2のパッド、N個の前記第1の信号伝達回路、および(M−1)個の前記第2の信号伝達回路を用いてデータ信号の入力および出力のうちの少なくともいずれか一方を行なう内部回路とを備え、
前記第2の電極に接続された前記第2の信号伝達回路は、前記レジスタに前記第1の信号が格納されている場合は非活性化され、前記レジスタに前記第2の信号が格納されている場合は活性化される、半導体チップ。 - 前記第2の電極に接続された前記第2の信号伝達回路は、
前記レジスタに前記第1の信号が格納されている場合は前記第2の電極および前記内部回路間の前記データ信号の通過を禁止し、
前記レジスタに前記第2の信号が格納されている場合は、入力イネーブル信号が与えられたときは前記第2の電極から前記内部回路に前記データ信号を通過させ、出力イネーブル信号が与えられたときは前記内部回路から前記第2の電極に前記データ信号を通過させる、請求項1に記載の半導体チップ。 - さらに、一方電極が参照電圧を受け、他方電極が前記第1の電極に接続された抵抗素子を備え、
前記検出回路は、前記第2の電極に前記参照電圧が印加されていない場合は前記第1の信号を出力し、前記第2の電極に前記参照電圧が印加されている場合は前記第2の信号を出力する、請求項1に記載の半導体チップ。 - さらに、前記参照電圧のラインと前記第1の電極との間に前記抵抗素子と直列接続され、前記第2の電極に前記参照電圧が印加されているか否かを検出する検出動作時はオンされ、前記内部回路の通常動作時はオフされるスイッチを備える、請求項3に記載の半導体チップ。
- 前記(M−N)個の第2のパッドのうちの複数の第2のパッドが選択され、
選択された前記複数の第2のパッドの各々が前記第1および第2の電極に分割され、
選択された前記複数の第2のパッドに対応してそれぞれ複数の前記検出回路が設けられ、
前記半導体チップは、
さらに、複数の前記検出回路の出力信号を受け、複数の前記検出回路の全部から前記第1の信号が出力された場合は前記第1の信号を前記レジスタに与え、複数の前記検出回路の全部から前記第2の信号が出力された場合は前記第2の信号を前記レジスタに与え、複数の前記検出回路の出力信号が一致していない場合は前記内部回路の動作を停止させる論理回路を備える、請求項1に記載の半導体チップ。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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JP2011198183A JP5748621B2 (ja) | 2011-09-12 | 2011-09-12 | 半導体チップ |
US13/556,550 US8779795B2 (en) | 2011-09-12 | 2012-07-24 | Semiconductor chip |
CN201210301983.3A CN103000601B (zh) | 2011-09-12 | 2012-08-23 | 半导体芯片 |
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JP2011198183A JP5748621B2 (ja) | 2011-09-12 | 2011-09-12 | 半導体チップ |
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JP2013062289A JP2013062289A (ja) | 2013-04-04 |
JP5748621B2 true JP5748621B2 (ja) | 2015-07-15 |
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JP (1) | JP5748621B2 (ja) |
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JP2013125753A (ja) * | 2011-12-13 | 2013-06-24 | Semiconductor Components Industries Llc | 半導体集積回路 |
CN103926503A (zh) * | 2014-05-05 | 2014-07-16 | 航天科技控股集团股份有限公司 | 可扩展精确报位连点检测系统 |
KR20180138472A (ko) * | 2017-06-21 | 2018-12-31 | 에스케이하이닉스 주식회사 | 테스트 회로를 포함하는 반도체 장치 |
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JPH08340020A (ja) * | 1995-06-13 | 1996-12-24 | Matsushita Electron Corp | 半導体装置 |
JPH10223679A (ja) * | 1997-02-07 | 1998-08-21 | Nippon Motorola Ltd | 半導体装置及び製造方法 |
US6424035B1 (en) * | 1998-11-05 | 2002-07-23 | Fairchild Semiconductor Corporation | Semiconductor bilateral switch |
JP3886659B2 (ja) * | 1999-01-13 | 2007-02-28 | 東芝マイクロエレクトロニクス株式会社 | 半導体装置 |
JP2000216342A (ja) * | 1999-01-21 | 2000-08-04 | Mitsubishi Electric Corp | 集積回路チップおよびその未使用パッドの処理方法 |
US6732304B1 (en) * | 2000-09-21 | 2004-05-04 | Inapac Technology, Inc. | Chip testing within a multi-chip semiconductor package |
JP3502033B2 (ja) * | 2000-10-20 | 2004-03-02 | 沖電気工業株式会社 | テスト回路 |
JP3523189B2 (ja) * | 2000-12-27 | 2004-04-26 | 株式会社東芝 | 半導体装置 |
JP4780844B2 (ja) * | 2001-03-05 | 2011-09-28 | Okiセミコンダクタ株式会社 | 半導体装置 |
JP3839267B2 (ja) * | 2001-03-08 | 2006-11-01 | 株式会社ルネサステクノロジ | 半導体装置及びそれを用いた通信端末装置 |
JP2003017567A (ja) * | 2001-06-28 | 2003-01-17 | Matsushita Electric Ind Co Ltd | 半導体装置 |
JP2003060055A (ja) * | 2001-08-10 | 2003-02-28 | Mitsubishi Electric Corp | 半導体集積回路 |
JP2004047720A (ja) * | 2002-07-11 | 2004-02-12 | Renesas Technology Corp | 半導体装置 |
JP2004108872A (ja) * | 2002-09-17 | 2004-04-08 | Sanyo Electric Co Ltd | 半導体パッケージ内部の結線テスト方法 |
JP2004134459A (ja) * | 2002-10-08 | 2004-04-30 | Renesas Technology Corp | 半導体装置 |
KR100477020B1 (ko) * | 2002-12-16 | 2005-03-21 | 삼성전자주식회사 | 멀티 칩 패키지 |
JP4708716B2 (ja) * | 2003-02-27 | 2011-06-22 | ルネサスエレクトロニクス株式会社 | 半導体集積回路装置、半導体集積回路装置の設計方法 |
JP2006047006A (ja) * | 2004-08-02 | 2006-02-16 | Denso Corp | 断線検出回路 |
CN101384914A (zh) * | 2006-02-23 | 2009-03-11 | 松下电器产业株式会社 | 半导体集成电路及其检查方法 |
JP5103245B2 (ja) * | 2008-03-31 | 2012-12-19 | ルネサスエレクトロニクス株式会社 | 半導体装置 |
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US20130062605A1 (en) | 2013-03-14 |
CN103000601B (zh) | 2017-06-20 |
JP2013062289A (ja) | 2013-04-04 |
CN103000601A (zh) | 2013-03-27 |
US8779795B2 (en) | 2014-07-15 |
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