JP4817701B2 - 半導体装置 - Google Patents
半導体装置 Download PDFInfo
- Publication number
- JP4817701B2 JP4817701B2 JP2005109976A JP2005109976A JP4817701B2 JP 4817701 B2 JP4817701 B2 JP 4817701B2 JP 2005109976 A JP2005109976 A JP 2005109976A JP 2005109976 A JP2005109976 A JP 2005109976A JP 4817701 B2 JP4817701 B2 JP 4817701B2
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- JP
- Japan
- Prior art keywords
- data
- circuit
- fuse
- nonvolatile memory
- element group
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 239000004065 semiconductor Substances 0.000 title claims description 29
- 230000002950 deficient Effects 0.000 claims description 30
- 230000008569 process Effects 0.000 claims description 13
- 230000007547 defect Effects 0.000 claims description 11
- 238000010586 diagram Methods 0.000 description 17
- 238000000034 method Methods 0.000 description 15
- 238000013500 data storage Methods 0.000 description 12
- 230000008439 repair process Effects 0.000 description 8
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 5
- 229920005591 polysilicon Polymers 0.000 description 5
- 238000012795 verification Methods 0.000 description 5
- 238000007664 blowing Methods 0.000 description 4
- 238000009966 trimming Methods 0.000 description 4
- 238000012546 transfer Methods 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 230000003213 activating effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000010348 incorporation Methods 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 229910021332 silicide Inorganic materials 0.000 description 2
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C29/00—Checking stores for correct operation ; Subsequent repair; Testing stores during standby or offline operation
- G11C29/02—Detection or location of defective auxiliary circuits, e.g. defective refresh counters
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C29/00—Checking stores for correct operation ; Subsequent repair; Testing stores during standby or offline operation
- G11C29/02—Detection or location of defective auxiliary circuits, e.g. defective refresh counters
- G11C29/027—Detection or location of defective auxiliary circuits, e.g. defective refresh counters in fuses
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C29/00—Checking stores for correct operation ; Subsequent repair; Testing stores during standby or offline operation
- G11C29/70—Masking faults in memories by using spares or by reconfiguring
- G11C29/78—Masking faults in memories by using spares or by reconfiguring using programmable devices
- G11C29/838—Masking faults in memories by using spares or by reconfiguring using programmable devices with substitution of defective spares
Landscapes
- For Increasing The Reliability Of Semiconductor Memories (AREA)
Description
図1は、本発明の第1の実施形態に係るフューズボックス11の構成を示すブロック図である。
第2の実施形態は、第1の実施形態で示したフューズボックス11を備えた半導体集積回路について示している。
Claims (5)
- 一回のみプログラム可能な複数の第1不揮発性記憶素子を含み、かつ第1データを記憶する第1不揮発性記憶素子群と、
前記第1不揮発性記憶素子群のうち不良の第1不揮発性記憶素子を検出するベリファイ回路と、
一回のみプログラム可能な複数の第2不揮発性記憶素子を含み、かつ前記不良の第1不揮発性記憶素子を救済するためのアドレスデータを記憶する第2不揮発性記憶素子群と、
前記第1不揮発性記憶素子群から読み出された第2データのうち前記アドレスデータで指定されたビットを強制的にプログラム状態にするデータ固定回路と、
前記第1不揮発性記憶素子群のうちプログラム対象を指定するための第1プログラムビットをシフトする第1シフトレジスタと、
前記第1シフトレジスタによりシフトされた第1プログラムビットに基づいて、前記第1不揮発性記憶素子群を1ビットずつプログラムする第1書き込み回路と、
前記第2不揮発性記憶素子群のうちプログラム対象を指定するための第2プログラムビットをシフトする第2シフトレジスタと、
前記第2シフトレジスタによりシフトされた第2プログラムビットに基づいて、前記第2不揮発性記憶素子群を1ビットずつプログラムする第2書き込み回路と、
を具備することを特徴とする半導体装置。 - 前記第1不揮発性記憶素子群及び前記2不揮発性記憶素子群の各々は、電気的にプログラム可能なフューズ素子であることを特徴とする請求項1に記載の半導体装置。
- 前記不揮発性記憶素子をプログラム状態にするための電圧を前記第1書き込み回路及び前記第2書き込み回路に供給するチャージポンプをさらに具備することを特徴とする請求項1又は2に記載の半導体装置。
- 前記ベリファイ回路は、前記第1データと前記第2データとを用いて前記不良の第1不揮発性記憶素子を検出することを特徴とする請求項1乃至3のいずれかに記載の半導体装置。
- 前記ベリファイ回路は、1ビットの不良が存在したことを示す第1信号と、2ビット以上の不良が存在したことを示す第2信号とを生成し、
前記第2書き込み回路は、前記第1信号が生成された場合にプログラム処理を行うことを特徴とする請求項1乃至4のいずれかに記載の半導体装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005109976A JP4817701B2 (ja) | 2005-04-06 | 2005-04-06 | 半導体装置 |
US11/191,973 US7313038B2 (en) | 2005-04-06 | 2005-07-29 | Nonvolatile memory including a verify circuit |
US11/832,859 US20070279998A1 (en) | 2005-04-06 | 2007-08-02 | Semiconductor device and semiconductor integrated circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005109976A JP4817701B2 (ja) | 2005-04-06 | 2005-04-06 | 半導体装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006294085A JP2006294085A (ja) | 2006-10-26 |
JP4817701B2 true JP4817701B2 (ja) | 2011-11-16 |
Family
ID=37082998
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005109976A Expired - Fee Related JP4817701B2 (ja) | 2005-04-06 | 2005-04-06 | 半導体装置 |
Country Status (2)
Country | Link |
---|---|
US (2) | US7313038B2 (ja) |
JP (1) | JP4817701B2 (ja) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007027607A2 (en) | 2005-08-31 | 2007-03-08 | International Business Machines Corporation | Random access electrically programmable-e-fuse rom |
KR100852179B1 (ko) * | 2006-12-27 | 2008-08-13 | 삼성전자주식회사 | 퓨즈 회로를 가지는 비휘발성 반도체 메모리 장치 및 그제어방법 |
JP2009043328A (ja) * | 2007-08-08 | 2009-02-26 | Toshiba Corp | 半導体集積回路 |
JP5127737B2 (ja) * | 2009-02-04 | 2013-01-23 | 株式会社東芝 | 半導体装置 |
US8775880B2 (en) * | 2009-06-11 | 2014-07-08 | STMicroelectronics Intenational N.V. | Shared fuse wrapper architecture for memory repair |
JP5649888B2 (ja) * | 2010-09-17 | 2015-01-07 | 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 |
KR101690487B1 (ko) * | 2010-11-08 | 2016-12-28 | 삼성전자주식회사 | 반도체 장치 및 제조 방법 |
CN104205233B (zh) * | 2012-03-30 | 2017-06-23 | 英特尔公司 | 用于堆叠的存储器架构的内建自测试 |
KR20130123933A (ko) * | 2012-05-04 | 2013-11-13 | 에스케이하이닉스 주식회사 | 전기적 퓨즈 럽쳐 회로 |
US9196376B2 (en) * | 2014-02-06 | 2015-11-24 | SK Hynix Inc. | Semiconductor devices and semiconductor systems including the same |
US11335427B1 (en) * | 2020-11-04 | 2022-05-17 | Elite Semiconductor Microelectronics Technology Inc. | Memory test circuit |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6246496A (ja) * | 1985-08-23 | 1987-02-28 | Sony Corp | 固定記憶装置の書き込み方法 |
JPH09213089A (ja) * | 1996-02-05 | 1997-08-15 | Matsushita Electron Corp | 半導体記憶装置及びその製造方法 |
JPH09213097A (ja) * | 1996-02-07 | 1997-08-15 | Hitachi Ltd | ヒューズ装置及びそれを用いた半導体集積回路装置 |
JP2001035185A (ja) | 1999-07-16 | 2001-02-09 | Mitsubishi Electric Corp | 半導体記憶装置 |
US6256237B1 (en) * | 1999-12-28 | 2001-07-03 | United Microelectronics Corp. | Semiconductor device and method for repairing failed memory cell by directly programming fuse memory cell |
JP4040232B2 (ja) * | 2000-03-03 | 2008-01-30 | 株式会社東芝 | 不揮発性半導体記憶装置 |
JP2002042494A (ja) * | 2000-07-19 | 2002-02-08 | Toshiba Microelectronics Corp | 半導体記憶装置 |
JP2002216493A (ja) * | 2001-01-23 | 2002-08-02 | Mitsubishi Electric Corp | 救済修正回路および半導体記憶装置 |
JP2003077291A (ja) * | 2001-09-03 | 2003-03-14 | Mitsubishi Electric Corp | 半導体集積回路装置 |
JP3881641B2 (ja) | 2003-08-08 | 2007-02-14 | 株式会社東芝 | フューズ回路 |
JP3967704B2 (ja) * | 2003-09-25 | 2007-08-29 | 株式会社東芝 | 半導体記憶装置とそのテスト方法 |
JP4128965B2 (ja) * | 2004-02-26 | 2008-07-30 | 株式会社東芝 | 半導体装置 |
US7405989B2 (en) * | 2005-03-07 | 2008-07-29 | Taiwan Semiconductor Manufacturing Co., Ltd. | Electrical fuses with redundancy |
-
2005
- 2005-04-06 JP JP2005109976A patent/JP4817701B2/ja not_active Expired - Fee Related
- 2005-07-29 US US11/191,973 patent/US7313038B2/en not_active Expired - Fee Related
-
2007
- 2007-08-02 US US11/832,859 patent/US20070279998A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
US7313038B2 (en) | 2007-12-25 |
JP2006294085A (ja) | 2006-10-26 |
US20060227617A1 (en) | 2006-10-12 |
US20070279998A1 (en) | 2007-12-06 |
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