JP4460961B2 - 半導体素子のリダンダンシ入出力ヒューズ回路 - Google Patents
半導体素子のリダンダンシ入出力ヒューズ回路 Download PDFInfo
- Publication number
- JP4460961B2 JP4460961B2 JP2004195044A JP2004195044A JP4460961B2 JP 4460961 B2 JP4460961 B2 JP 4460961B2 JP 2004195044 A JP2004195044 A JP 2004195044A JP 2004195044 A JP2004195044 A JP 2004195044A JP 4460961 B2 JP4460961 B2 JP 4460961B2
- Authority
- JP
- Japan
- Prior art keywords
- fuse
- output
- input
- repair signal
- signal
- 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 - Lifetime
Links
- 239000004065 semiconductor Substances 0.000 title claims description 10
- 230000008439 repair process Effects 0.000 claims description 40
- 230000005540 biological transmission Effects 0.000 claims description 14
- 230000007423 decrease Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 8
- 230000008859 change Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 238000004088 simulation Methods 0.000 description 2
- 241000282376 Panthera tigris Species 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 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
-
- 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
- G11C29/785—Masking faults in memories by using spares or by reconfiguring using programmable devices with redundancy programming schemes
Landscapes
- Logic Circuits (AREA)
- Semiconductor Integrated Circuits (AREA)
- Electronic Switches (AREA)
- For Increasing The Reliability Of Semiconductor Memories (AREA)
- Design And Manufacture Of Integrated Circuits (AREA)
Description
Claims (3)
- 複数のヒューズ部の各々が第1ヒューズ及び第2ヒューズを備えてなり、第1ヒューズの切断状態によってリペア信号を出力するかしないかを記憶し、第2ヒューズの切断状態によって接地電圧を出力するかしないかを記憶して、所定の論理信号を出力する複数のヒューズ部と、
前記リペア信号を反転するインバータと、
前記リペア信号と前記インバータにより反転されたリペア信号によって動作し、前記ヒューズ部の出力である前記所定の論理信号を入出力バスに出力する複数の伝送ゲート部と
を備えることを特徴とする半導体素子のリダンダンシ入出力ヒューズ回路。 - 前記ヒューズ部は、
前記リペア信号の入力端と前記ヒューズ部の出力端子に接続された第1ヒューズと、
接地電源と前記ヒューズ部の出力端子に接続された第2ヒューズと
を備えることを特徴とする請求項1に記載の半導体素子のリダンダンシ入出力ヒューズ回路。 - 前記伝送ゲート部は、
前記ヒューズ部の出力端子と前記入出力バスの間に接続された、前記リペア信号によって駆動するNMOSトランジスタと前記反転されたリペア信号によって駆動するPMOSトランジスタとの並列接続回路
を備えることを特徴とする請求項1に記載の半導体素子のリダンダンシ入出力ヒューズ回路。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020030069424A KR100739240B1 (ko) | 2003-10-07 | 2003-10-07 | 반도체 소자의 리던던시 입출력 퓨즈 회로 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005117017A JP2005117017A (ja) | 2005-04-28 |
JP4460961B2 true JP4460961B2 (ja) | 2010-05-12 |
Family
ID=34386753
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004195044A Expired - Lifetime JP4460961B2 (ja) | 2003-10-07 | 2004-06-30 | 半導体素子のリダンダンシ入出力ヒューズ回路 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7015743B2 (ja) |
JP (1) | JP4460961B2 (ja) |
KR (1) | KR100739240B1 (ja) |
TW (1) | TWI249838B (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8238178B2 (en) | 2010-02-12 | 2012-08-07 | Taiwan Semiconductor Manufacturing Company, Ltd. | Redundancy circuits and operating methods thereof |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2679390B2 (ja) * | 1990-10-12 | 1997-11-19 | 日本電気株式会社 | コード設定回路 |
US5424672A (en) * | 1994-02-24 | 1995-06-13 | Micron Semiconductor, Inc. | Low current redundancy fuse assembly |
KR19990061991A (ko) * | 1997-12-31 | 1999-07-26 | 김영환 | 다수개의 리던던시 입출력 라인들을 구비하는 반도체 장치 |
JP3857573B2 (ja) * | 2001-11-20 | 2006-12-13 | 富士通株式会社 | ヒューズ回路 |
-
2003
- 2003-10-07 KR KR1020030069424A patent/KR100739240B1/ko active IP Right Grant
-
2004
- 2004-06-29 US US10/879,434 patent/US7015743B2/en not_active Expired - Lifetime
- 2004-06-30 JP JP2004195044A patent/JP4460961B2/ja not_active Expired - Lifetime
- 2004-06-30 TW TW093119293A patent/TWI249838B/zh not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
TWI249838B (en) | 2006-02-21 |
US7015743B2 (en) | 2006-03-21 |
US20050073353A1 (en) | 2005-04-07 |
TW200514234A (en) | 2005-04-16 |
JP2005117017A (ja) | 2005-04-28 |
KR20050033891A (ko) | 2005-04-14 |
KR100739240B1 (ko) | 2007-07-12 |
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