JP2014110073A5 - スマートメモリアーキテクチャを提供するための方法 - Google Patents

スマートメモリアーキテクチャを提供するための方法 Download PDF

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JP2014110073A5
JP2014110073A5 JP2013248988A JP2013248988A JP2014110073A5 JP 2014110073 A5 JP2014110073 A5 JP 2014110073A5 JP 2013248988 A JP2013248988 A JP 2013248988A JP 2013248988 A JP2013248988 A JP 2013248988A JP 2014110073 A5 JP2014110073 A5 JP 2014110073A5
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  1. メモリ装置にビットエラー率自己内装テスト(built−in self test)を提供する方法において、
    テストモードに進入する段階と、
    前記メモリ装置によってエラー率タイミングパターンを内部的に生成する段階と、
    前記メモリ装置によって前記内部的に生成されたエラー率タイミングパターンに基づいて前記ビットエラー率自己内装テストを実行する段階と、
    前記ビットエラー率自己内装テストに基づいてエラー率を測定する段階と、
    前記ビットエラー率自己内装テストを繰り返す段階と、を含む方法。
  2. 前記測定されたエラー率に基づいて1つ又はそれ以上のテストパラメーターを調整する段階をさらに含み、
    前記繰り返す段階は前記調整されたパラメーターを使用して前記ビットエラー率自己内装テストを繰り返すことを含む請求項1に記載の方法。
  3. 前記ビットエラー率自己内装テストを実行する段階は書込みエラー率テストを実行する段階を含み、
    前記測定する段階は書込みエラー率を測定する段階を含み、
    前記調整する段階は前記測定された書込みエラー率に基づいて前記1つ又はそれ以上のパラメーターを調整する段階を含み、
    前記繰り返す段階は前記調整されたパラメーターを使用して前記書込みエラー率テストを繰り返す段階を含む請求項2に記載の方法。
  4. 前記ビットエラー率自己内装テストを実行する段階は読出しエラー率テストを実行する段階を含み、
    前記測定する段階は読出しエラー率を測定する段階を含み、
    前記調整する段階は前記測定された読出しエラー率に基づいて前記1つ又はそれ以上のテストパラメーターを調整する段階を含み、
    前記繰り返す段階は前記調整されたパラメーターを使用して前記読出しエラー率テストを繰り返す段階を含む請求項2に記載の方法。
  5. 前記テストモードに進入する段階は、
    1つ又はそれ以上のモードレジスターセットコマンドを受信する段階と、
    前記1つ又はそれ以上のモードレジスターセットコマンドに応答して前記テストモードに進入する段階をさらに含む請求項1に記載の方法。
  6. 1つ又はそれ以上のモードレジスターセットコマンドを受信する段階と、
    前記1つ又はそれ以上のモードレジスターセットコマンドに応答して前記1つ又はそれ以上のテストパラメーターを設定(configure)する段階をさらに含む請求項1に記載の方法。
  7. 前記1つ又はそれ以上のテストパラメーターを設定する段階は、
    開始電圧、電圧範囲、及び電圧段階の中で少なくとも1つをセッティングする段階をさらに含む請求項6に記載の方法。
  8. 前記1つ又はそれ以上のテストパラメーターを設定する段階は、
    読出しパルス幅及び書込みパルス幅の中で少なくとも1つをセッティングする段階をさらに含む請求項6に記載の方法。
  9. 前記1つ又はそれ以上のテストパラメーターを調整する段階は、
    次のプログラムされた電圧レベルに読出し電圧を自動的にセッティングする段階をさらに含む請求項1に記載の方法。
  10. 前記1つ又はそれ以上のテストパラメーターを調整する段階は、
    次のプログラムされた電圧レベルに書込み電圧を自動的にセッティングする段階をさらに含む請求項1に記載の方法。
JP2013248988A 2012-11-30 2013-12-02 スマートメモリアーキテクチャを提供するための方法 Active JP6320008B2 (ja)

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US13/691,639 2012-11-30
US13/691,639 US9069719B2 (en) 2012-02-11 2012-11-30 Method and system for providing a smart memory architecture
US13/936,134 2013-07-05
US13/936,134 US9679664B2 (en) 2012-02-11 2013-07-05 Method and system for providing a smart memory architecture

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