KR100971215B1 - Esp 보호 회로 - Google Patents
Esp 보호 회로 Download PDFInfo
- Publication number
- KR100971215B1 KR100971215B1 KR1020080081275A KR20080081275A KR100971215B1 KR 100971215 B1 KR100971215 B1 KR 100971215B1 KR 1020080081275 A KR1020080081275 A KR 1020080081275A KR 20080081275 A KR20080081275 A KR 20080081275A KR 100971215 B1 KR100971215 B1 KR 100971215B1
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- South Korea
- Prior art keywords
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- protection circuit
- layer
- bipolar transistors
- conductive
- Prior art date
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- 239000000758 substrate Substances 0.000 claims abstract description 33
- 230000005611 electricity Effects 0.000 claims description 23
- 230000003068 static effect Effects 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 11
- 239000012535 impurity Substances 0.000 claims description 6
- 239000004065 semiconductor Substances 0.000 description 15
- 230000003071 parasitic effect Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000001960 triggered effect Effects 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/04—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/0203—Particular design considerations for integrated circuits
- H01L27/0248—Particular design considerations for integrated circuits for electrical or thermal protection, e.g. electrostatic discharge [ESD] protection
- H01L27/0251—Particular design considerations for integrated circuits for electrical or thermal protection, e.g. electrostatic discharge [ESD] protection for MOS devices
- H01L27/0259—Particular design considerations for integrated circuits for electrical or thermal protection, e.g. electrostatic discharge [ESD] protection for MOS devices using bipolar transistors as protective elements
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/04—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body
- H01L27/06—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including a plurality of individual components in a non-repetitive configuration
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/04—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body
- H01L27/08—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including only semiconductor components of a single kind
- H01L27/082—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including only semiconductor components of a single kind including bipolar components only
- H01L27/0823—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including only semiconductor components of a single kind including bipolar components only including vertical bipolar transistors only
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Semiconductor Integrated Circuits (AREA)
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
Abstract
Description
Claims (11)
- 기판; 및상기 기판에 형성된 다수의 단위 바이폴라 트랜지스터들를 포함하며,상기 다수의 단위 바이폴라 트랜지스터들 각각은,상기 기판 내에 형성된 제1 도전형 매립층;상기 제1 도전형 매립층 상에 형성된 제1 도전형 웰;상기 제1 도전형 웰 내에 형성된 제2 도전형 웰;상기 제1 도전형 웰을 감싸도록 상기 기판 표면에서 상기 제1 도전형 매립층까지 수직하게 형성된 제1 도전형 수직 도핑층; 및상기 제2 도전형 웰 내에 형성된 제1 도전형 도핑층 및 제2 도전형 도핑층 포함하며,인접한 단위 바이폴라 트랜지스터들 중 어느 하나의 제1 도전형 도핑층과 다른 어느 하나의 제1 도전형 수직 도핑층은 서로 연결되는 것을 특징으로 하는 ESD 보호 회로.
- 제1항에 있어서, 상기 ESD 보호 회로는,상기 제1 도전형 도핑층 및 상기 제2 도전형 도핑층 사이에 연결된 저항을 더 포함하는 것을 특징으로 하는 ESD 보호 회로.
- 제1항에 있어서, 상기 ESD 보호 회로는,제1 전압이 인가되는 제1 패드; 및제2 전압이 인가되는 제2 패드를 더 포함하며,상기 다수의 단위 바이폴라 트랜지스터들 중 어느 하나의 제1 도전형 수직 도핑층은 상기 제1 패드에 연결되고, 상기 다수의 단위 바이폴라 트랜지스터들 중 다른 어느 하나의 제1 도전형 도핑층은 상기 제2 패드에 연결되는 것을 특징으로 하는 ESD 보호 회로.
- 제3항에 있어서, 상기 ESD 보호 회로는,상기 제2 패드에 연결되며, 상기 기판에 형성된 제2 도전형 불순물로 도핑된 가드링을 더 포함하는 것을 특징으로 하는 ESD 보호 회로.
- 제2항에 있어서,상기 다수의 단위 바이폴라 트랜지스터들 각각의 제1 도전형 도핑층 및 상기 제2 도전형 도핑층 사이에 연결된 저항은 동일한 값을 갖는 것을 특징으로 하는 ESD 보호 회로.
- 제3항에 있어서,상기 제1 패드로 정전기가 유입시, 상기 ESD 보호 회로의 유지 전압은 상기 다수의 단위 바이폴라 트랜지스터들 각각의 유지 전압을 합한 전압인 것을 특징으 로 하는 ESD 보호 회로.
- 제4항에 있어서.상기 제2 패드로 정전기가 유입시, 상기 가드링과 상기 단위 바이폴라 트랜지스터들 각각의 매립층 및 제1 도전형 수직 도핑층 사이에 PN 접합 다이오드가 형성되며, 상기 정전기는 상기 PN 접합 다이오드를 통하여 상기 제1 패드로 빠져나가는 것을 특징으로 하는 ESD 보호 회로.
- 제1항에 있어서,상기 기판은 P형 기판이고, 상기 제1 도전형은 N형이고, 상기 제2 도전형은 P형인 것을 특징으로 하는 ESD 보호 회로.
- 제1항에 있어서, 상기 제1 도전형 웰은,상기 기판과 격리되도록 상기 제1 도전형 매립층 및 상기 제1 도전형 수직 도핑층에 의하여 둘러싸이는 것을 특징으로 하는 ESD 보호 회로.
- 제1항에 있어서,상기 제1 도전형 도핑층 및 상기 제2 도전형 도핑층은 전기적으로 연결되는 것을 특징으로 하는 ESD 보호 회로.
- 제4항에 있어서, 상기 다수의 단위 바이폴라 트랜지스터들은,제1 내지 제3 단위 바이폴라 트랜지스터들이고,상기 제1 단위 바이폴라 트랜지스터의 제1 도전형 수직 도핑층은 상기 제1 패드에 연결되고, 상기 제1 단위 바이폴라 트랜지스터의 제1 도전형 도핑층은 상기 제2 단위 바이폴라 트랜지스터의 제1 도전형 수직 도핑층에 연결되며, 상기 제3 단위 폴라 트랜지스터의 제 1 도전형 도핑층은 상기 가드링에 연결되는 것을 특징으로 하는 ESD 보호 회로.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020080081275A KR100971215B1 (ko) | 2008-08-20 | 2008-08-20 | Esp 보호 회로 |
TW098124785A TW201010054A (en) | 2008-08-20 | 2009-07-22 | Electrostatic discharge protection circuit |
US12/536,378 US8178948B2 (en) | 2008-08-20 | 2009-08-05 | Electrostatic discharge protection circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020080081275A KR100971215B1 (ko) | 2008-08-20 | 2008-08-20 | Esp 보호 회로 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20100022657A KR20100022657A (ko) | 2010-03-03 |
KR100971215B1 true KR100971215B1 (ko) | 2010-07-20 |
Family
ID=41695580
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1020080081275A KR100971215B1 (ko) | 2008-08-20 | 2008-08-20 | Esp 보호 회로 |
Country Status (3)
Country | Link |
---|---|
US (1) | US8178948B2 (ko) |
KR (1) | KR100971215B1 (ko) |
TW (1) | TW201010054A (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101392587B1 (ko) * | 2013-02-19 | 2014-05-27 | 주식회사 동부하이텍 | 고전압 정전기 방전 보호 소자 |
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US8242566B2 (en) * | 2010-01-19 | 2012-08-14 | Freescale Semiconductors, Inc. | Stacked ESD protection |
US8390071B2 (en) | 2010-01-19 | 2013-03-05 | Freescale Semiconductor, Inc. | ESD protection with increased current capability |
US8304838B1 (en) * | 2011-08-23 | 2012-11-06 | Amazing Microelectronics Corp. | Electrostatic discharge protection device structure |
CN103354230B (zh) * | 2013-07-12 | 2015-10-21 | 江苏艾伦摩尔微电子科技有限公司 | 高维持电压的静电放电防护tvs器件 |
TWI559529B (zh) * | 2013-12-16 | 2016-11-21 | 旺宏電子股份有限公司 | 半導體元件及其製造方法 |
US9515673B2 (en) * | 2015-01-19 | 2016-12-06 | Seiko Epson Corporation | D/A conversion circuit, oscillator, electronic apparatus, and moving object |
US10381342B2 (en) * | 2015-10-01 | 2019-08-13 | Texas Instruments Incorporated | High voltage bipolar structure for improved pulse width scalability |
US10381340B2 (en) * | 2016-01-26 | 2019-08-13 | Nxp B.V. | Electrostatic discharge protection with integrated diode |
CN107275325B (zh) * | 2016-04-08 | 2020-04-03 | 世界先进积体电路股份有限公司 | 保护装置及操作系统 |
US10347621B2 (en) * | 2016-10-12 | 2019-07-09 | Texas Instruments Incorporated | Electrostatic discharge guard ring with snapback protection |
US10366974B2 (en) | 2017-05-15 | 2019-07-30 | Nxp B.V. | Electrostatic discharge (ESD) protection device and method for operating an ESD protection device |
US10037988B1 (en) * | 2017-08-24 | 2018-07-31 | Globalfoundries Singapore Pte. Ltd. | High voltage PNP using isolation for ESD and method for producing the same |
US20200194421A1 (en) * | 2018-12-17 | 2020-06-18 | Nathan Jack | Latchup guard ring grid |
US11887981B2 (en) * | 2019-10-22 | 2024-01-30 | Semiconductor Components Industries, Llc | Lateral surge protection devices |
US20220052035A1 (en) * | 2020-08-14 | 2022-02-17 | Amazing Microelectronic Corp. | Vertical electrostatic discharge protection device |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR970011377A (ko) * | 1995-08-18 | 1997-03-27 | 한승준 | 자동차의 연료 주입시 시동 정지 장치 |
KR19980065222A (ko) * | 1997-01-06 | 1998-10-15 | 김광호 | 정전기 보호 소자 |
KR19990030300A (ko) * | 1997-09-30 | 1999-04-26 | 디어터 크리스트, 베르너 뵈켈 | 정전 방전으로부터 보호하기 위한 구조물을 가진 집적 반도체회로 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7525779B2 (en) * | 2004-08-30 | 2009-04-28 | Zi-Ping Chen | Diode strings and electrostatic discharge protection circuits |
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2008
- 2008-08-20 KR KR1020080081275A patent/KR100971215B1/ko active IP Right Grant
-
2009
- 2009-07-22 TW TW098124785A patent/TW201010054A/zh unknown
- 2009-08-05 US US12/536,378 patent/US8178948B2/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR970011377A (ko) * | 1995-08-18 | 1997-03-27 | 한승준 | 자동차의 연료 주입시 시동 정지 장치 |
KR19980065222A (ko) * | 1997-01-06 | 1998-10-15 | 김광호 | 정전기 보호 소자 |
KR19990030300A (ko) * | 1997-09-30 | 1999-04-26 | 디어터 크리스트, 베르너 뵈켈 | 정전 방전으로부터 보호하기 위한 구조물을 가진 집적 반도체회로 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101392587B1 (ko) * | 2013-02-19 | 2014-05-27 | 주식회사 동부하이텍 | 고전압 정전기 방전 보호 소자 |
US8829565B1 (en) | 2013-02-19 | 2014-09-09 | Lg Innotek Co., Ltd. | High voltage electrostatic discharge protection device |
Also Published As
Publication number | Publication date |
---|---|
TW201010054A (en) | 2010-03-01 |
US20100044834A1 (en) | 2010-02-25 |
US8178948B2 (en) | 2012-05-15 |
KR20100022657A (ko) | 2010-03-03 |
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