JP2007294031A - 不揮発性記憶素子を搭載した半導体記憶装置 - Google Patents
不揮発性記憶素子を搭載した半導体記憶装置 Download PDFInfo
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- JP2007294031A JP2007294031A JP2006121962A JP2006121962A JP2007294031A JP 2007294031 A JP2007294031 A JP 2007294031A JP 2006121962 A JP2006121962 A JP 2006121962A JP 2006121962 A JP2006121962 A JP 2006121962A JP 2007294031 A JP2007294031 A JP 2007294031A
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 96
- 230000015654 memory Effects 0.000 claims description 94
- 238000012360 testing method Methods 0.000 claims description 42
- 230000004044 response Effects 0.000 claims 1
- 230000015556 catabolic process Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 32
- 238000000034 method Methods 0.000 description 17
- 230000002950 deficient Effects 0.000 description 15
- 230000001066 destructive effect Effects 0.000 description 7
- 230000000644 propagated effect Effects 0.000 description 6
- 238000005086 pumping Methods 0.000 description 5
- 230000001902 propagating effect Effects 0.000 description 4
- 230000008439 repair process Effects 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 102100036285 25-hydroxyvitamin D-1 alpha hydroxylase, mitochondrial Human genes 0.000 description 1
- 101000875403 Homo sapiens 25-hydroxyvitamin D-1 alpha hydroxylase, mitochondrial Proteins 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
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Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C17/00—Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards
- G11C17/14—Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards in which contents are determined by selectively establishing, breaking or modifying connecting links by permanently altering the state of coupling elements, e.g. PROM
- G11C17/18—Auxiliary circuits, e.g. for writing into memory
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C17/00—Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards
- G11C17/14—Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards in which contents are determined by selectively establishing, breaking or modifying connecting links by permanently altering the state of coupling elements, e.g. PROM
- G11C17/16—Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards in which contents are determined by selectively establishing, breaking or modifying connecting links by permanently altering the state of coupling elements, e.g. PROM using electrically-fusible links
- G11C17/165—Memory cells which are electrically programmed to cause a change in resistance, e.g. to permit multiple resistance steps to be programmed rather than conduct to or from non-conduct change of fuses and antifuses
-
- 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
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C5/00—Details of stores covered by group G11C11/00
- G11C5/14—Power supply arrangements, e.g. power down, chip selection or deselection, layout of wirings or power grids, or multiple supply levels
- G11C5/145—Applications of charge pumps; Boosted voltage circuits; Clamp circuits therefor
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- For Increasing The Reliability Of Semiconductor Memories (AREA)
- Semiconductor Integrated Circuits (AREA)
- Read Only Memory (AREA)
Abstract
【解決手段】 本発明の半導体記憶装置は、異なるアンチヒューズ(AF)書き込み限界電源電圧のAF書き込み回路を複数備える。記憶装置単体として大多数の書き込みが実施される工程においては、高いAF書き込み限界電源電圧のAF書き込み回路とする。一方電源電圧耐圧の低い半導体装置が搭載されたモジュール工程においては、低いAF書き込み限界電源電圧のAF書き込み回路とする。このようにAF書き込み回路を複数備えることで、書き込み効率、救済効率がよいアンチヒューズを備えた半導体記憶装置が得られる。
【選択図】 図1
Description
02、12、22、32、42 AF電源昇圧回路
03、13、23、33、43、53 書き込み選択信号
04、14、24、34、44、54 プリセット制御信号
05、15、25、35、45、55 判定信号
06、16、26、36、46、56 アンチヒューズ判定接点
27、37 AF電源VB昇圧回路
100、110、120、130、140、150 アンチヒューズ(AF)書き込み回路
Claims (10)
- 不揮発性記憶素子を搭載した半導体記憶装置において、それぞれ不揮発性記憶素子と不揮発性記憶素子の書き込み電圧を供給する書き込み電圧供給部とを有する記憶素子書き込み回路を複数備え、供給される電源電圧値に応じて前記記憶素子書き込み回路のうちの1つが選択され、その内部に備えられた不揮発性記憶素子への書き込みを行うことを特徴とする半導体記憶装置。
- 前記不揮発性記憶素子はアンチヒューズであることを特徴とする請求項1に記載の半導体記憶装置。
- 不揮発性記憶素子の書き込み電圧として、第1の記憶素子書き込み回路の書き込み電圧供給部はその内部に備えられた不揮発性記憶素子の両電極にその内部に備えられた昇圧回路からの昇圧電圧、第1の電圧のいずれかを供給し、第2の記憶素子書き込み回路の書き込み電圧供給部はその内部に備えられた不揮発性記憶素子の両電極にその内部に備えられた昇圧回路からの昇圧電圧、前記第1の電圧のいずれかを前記第1の記憶素子書き込み回路の不揮発性記憶素子の両電極と同様の電極接続となるように供給することを特徴とする請求項1に記載の半導体記憶装置。
- 前記第1及び第2の記憶素子書き込み回路の昇圧回路は供給される電源電圧に対し異なる昇圧係数を有し、異なる昇圧電圧を発生することを特徴とする請求項3に記載の半導体記憶装置。
- 前記昇圧回路の少なくとも1つは、半導体記憶装置の内部回路に使用される昇圧回路と共有していることを特徴とする請求項4に記載の半導体記憶装置。
- 不揮発性記憶素子の書き込み電圧として、第1の記憶素子書き込み回路の書き込み電圧供給部はその内部に備えられた不揮発性記憶素子の両電極にその内部に備えられた昇圧回路からの昇圧電圧、第1の昇圧電圧のいずれかを供給し、第2の記憶素子書き込み回路の書き込み電圧供給部はその内部に備えられた不揮発性記憶素子の両電極にその内部に備えられた昇圧回路からの昇圧電圧、前記第1の昇圧電圧のいずれかを前記第1の記憶素子書き込み回路の不揮発性記憶素子の両電極と同様の電極接続となるように供給することを特徴とする請求項1に記載の半導体記憶装置。
- 前記第1及び第2の記憶素子書き込み回路の昇圧回路は供給される電源電圧に対し異なる昇圧係数を有し、異なる昇圧電圧を発生することを特徴とする請求項6に記載の半導体記憶装置。
- 不揮発性記憶素子の書き込み電圧として、第1の記憶素子書き込み回路の書き込み電圧供給部はその内部に備えられた不揮発性記憶素子の両電極に第2の昇圧電圧、第2の電圧のいずれかを供給し、第2の記憶素子書き込み回路の書き込み電圧供給部はその内部に備えられた不揮発性記憶素子の両電極に前記第2の昇圧電圧、前記第2の電圧とは異なる第3の電圧のいずれかを前記第1の記憶素子書き込み回路の不揮発性記憶素子の両電極と同様の電極接続となるように供給することを特徴とする請求項1に記載の半導体記憶装置。
- 不揮発性記憶素子の書き込み電圧として、第1の記憶素子書き込み回路の書き込み電圧供給部はその内部に備えられた不揮発性記憶素子の両電極にその内部に備えられた昇圧回路からの昇圧電圧、第4の電圧のいずれかを供給し、第2の記憶素子書き込み回路の書き込み電圧供給部はその内部に備えられた不揮発性記憶素子の両電極に電源電圧、前記第4の電圧のいずれかを前記第1の記憶素子書き込み回路の不揮発性記憶素子の両電極と同様の電極接続となるように供給することを特徴とする請求項1に記載の半導体記憶装置。
- 前記第1及び第2の記憶素子書き込み回路のいずれか一方は供給される電源電圧が低いモジュールテストにおける不揮発性記憶素子の書き込みに使用し、他方の記憶素子書き込み回路は供給される電源電圧が高いウェハテストやパッケージテストで使用することを特徴とする請求項1乃至9のいずれか1項に記載の半導体記憶装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006121962A JP4191202B2 (ja) | 2006-04-26 | 2006-04-26 | 不揮発性記憶素子を搭載した半導体記憶装置 |
TW096113190A TWI340390B (en) | 2006-04-26 | 2007-04-14 | Semiconductor memory device comprising memory element programming circuits having different programming threshold power supply voltages |
US11/790,200 US7706166B2 (en) | 2006-04-26 | 2007-04-24 | Semiconductor memory device comprising memory element programming circuits having different programming threshold power supply voltages |
Applications Claiming Priority (1)
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JP2006121962A JP4191202B2 (ja) | 2006-04-26 | 2006-04-26 | 不揮発性記憶素子を搭載した半導体記憶装置 |
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JP2007294031A true JP2007294031A (ja) | 2007-11-08 |
JP4191202B2 JP4191202B2 (ja) | 2008-12-03 |
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JP2006121962A Active JP4191202B2 (ja) | 2006-04-26 | 2006-04-26 | 不揮発性記憶素子を搭載した半導体記憶装置 |
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US (1) | US7706166B2 (ja) |
JP (1) | JP4191202B2 (ja) |
TW (1) | TWI340390B (ja) |
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KR101102776B1 (ko) * | 2008-02-13 | 2012-01-05 | 매그나칩 반도체 유한회사 | 비휘발성 메모리 소자의 단위 셀 및 이를 구비한 비휘발성메모리 소자 |
KR101137871B1 (ko) * | 2010-03-29 | 2012-04-18 | 에스케이하이닉스 주식회사 | 반도체 메모리 장치 및 그의 구동 방법 |
FR3058567B1 (fr) | 2016-11-08 | 2019-01-25 | Stmicroelectronics (Rousset) Sas | Circuit integre comportant une structure antifusible, et procede de realisation |
CN112582013B (zh) * | 2019-09-29 | 2024-09-20 | 长鑫存储技术有限公司 | 反熔丝存储单元电路、阵列电路及其读写方法 |
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JPH02179264A (ja) | 1988-12-28 | 1990-07-12 | Nec Corp | 昇圧回路 |
US5812477A (en) * | 1996-10-03 | 1998-09-22 | Micron Technology, Inc. | Antifuse detection circuit |
US6606267B2 (en) * | 1998-06-23 | 2003-08-12 | Sandisk Corporation | High data rate write process for non-volatile flash memories |
KR100359855B1 (ko) * | 1998-06-30 | 2003-01-15 | 주식회사 하이닉스반도체 | 가변전압발생기를이용한앤티퓨즈의프로그래밍회로 |
JP2004022736A (ja) * | 2002-06-14 | 2004-01-22 | Nec Electronics Corp | 不揮発性ラッチ回路および半導体装置 |
JP4108519B2 (ja) | 2003-03-31 | 2008-06-25 | エルピーダメモリ株式会社 | 制御回路、半導体記憶装置、及び制御方法 |
US6690597B1 (en) * | 2003-04-24 | 2004-02-10 | Hewlett-Packard Development Company, L.P. | Multi-bit PROM memory cell |
KR100512178B1 (ko) * | 2003-05-28 | 2005-09-02 | 삼성전자주식회사 | 플렉서블한 열 리던던시 스킴을 갖는 반도체 메모리 장치 |
KR100702004B1 (ko) * | 2004-08-02 | 2007-03-30 | 삼성전자주식회사 | 반도체 메모리 장치 및 이 장치의 비트 라인 센싱 방법 |
KR100645055B1 (ko) * | 2004-10-28 | 2006-11-10 | 삼성전자주식회사 | 플래시 메모리 장치 및 그것의 프로그램 방법 |
US7339848B1 (en) * | 2005-11-03 | 2008-03-04 | Cypress Semiconductor Corporation | Anti-fuse latch circuit and method including self-test |
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2006
- 2006-04-26 JP JP2006121962A patent/JP4191202B2/ja active Active
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2007
- 2007-04-14 TW TW096113190A patent/TWI340390B/zh active
- 2007-04-24 US US11/790,200 patent/US7706166B2/en active Active
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Publication number | Publication date |
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US7706166B2 (en) | 2010-04-27 |
TWI340390B (en) | 2011-04-11 |
TW200802391A (en) | 2008-01-01 |
US20070253236A1 (en) | 2007-11-01 |
JP4191202B2 (ja) | 2008-12-03 |
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