KR100996186B1 - 내부 전압 생성회로 - Google Patents
내부 전압 생성회로 Download PDFInfo
- Publication number
- KR100996186B1 KR100996186B1 KR1020080110039A KR20080110039A KR100996186B1 KR 100996186 B1 KR100996186 B1 KR 100996186B1 KR 1020080110039 A KR1020080110039 A KR 1020080110039A KR 20080110039 A KR20080110039 A KR 20080110039A KR 100996186 B1 KR100996186 B1 KR 100996186B1
- Authority
- KR
- South Korea
- Prior art keywords
- voltage
- power supply
- internal
- external power
- leakage current
- 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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- 238000000034 method Methods 0.000 claims description 19
- 238000010586 diagram Methods 0.000 description 13
- 230000004913 activation Effects 0.000 description 9
- 239000004065 semiconductor Substances 0.000 description 6
- 239000012190 activator Substances 0.000 description 4
- 230000007423 decrease Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
- G05F1/10—Regulating voltage or current
- G05F1/46—Regulating voltage or current wherein the variable actually regulated by the final control device is DC
- G05F1/462—Regulating voltage or current wherein the variable actually regulated by the final control device is DC as a function of the requirements of the load, e.g. delay, temperature, specific voltage/current characteristic
- G05F1/465—Internal voltage generators for integrated circuits, e.g. step down generators
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
- G11C11/21—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements
- G11C11/34—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices
- G11C11/40—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors
- G11C11/401—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors forming cells needing refreshing or charge regeneration, i.e. dynamic cells
- G11C11/4063—Auxiliary circuits, e.g. for addressing, decoding, driving, writing, sensing or timing
- G11C11/407—Auxiliary circuits, e.g. for addressing, decoding, driving, writing, sensing or timing for memory cells of the field-effect type
- G11C11/4074—Power supply or voltage generation circuits, e.g. bias voltage generators, substrate voltage generators, back-up power, power control circuits
-
- 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
- G11C5/147—Voltage reference generators, voltage or current regulators; Internally lowered supply levels; Compensation for voltage drops
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K19/00—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
- H03K19/0175—Coupling arrangements; Interface arrangements
- H03K19/0185—Coupling arrangements; Interface arrangements using field effect transistors only
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Computing Systems (AREA)
- Mathematical Physics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Automation & Control Theory (AREA)
- Control Of Electrical Variables (AREA)
- Logic Circuits (AREA)
Abstract
Description
Claims (10)
- 외부 전원전압으로 내부 전압단을 구동하여 목표전압레벨에 대응하는 내부전압을 생성하기 위한 내부전압 생성수단과,상기 내부 전압단으로 유입되는 누설전류의 양을 상기 외부 전원전압에 따라 조절하여 싱킹하기 위한 전류싱킹수단을 구비하는 내부 전압 생성회로.
- 제1항에 있어서,상기 내부전압은 코어전압인 것을 특징으로 하는 내부 전압 생성회로.
- 제1항에 있어서,상기 전류싱킹수단은 상기 내부전압이 상기 목표전압레벨보다 높아지는 구간에서 활성화되는 것을 특징으로 하는 내부 전압 생성회로.
- 제1항에 있어서,상기 전류싱킹수단은,상기 외부 전원전압에 응답하여 자신을 통해 흐르는 전류를 제어하기 위한 전류제어부와,상기 내부 전압단으로 흐르는 전류의 유출 시점을 제어하기 위한 동작시점제어부를 구비하는 것을 특징으로 하는 내부 전압 생성회로.
- 제4항에 있어서,상기 동작시점제어부는,상기 내부 전압단과 상기 전류제어부 사이에 연결되고, 적어도 하나 이상의 다이오드 타입의 제1 MOS 트랜지스터를 구비하는 것을 특징으로 하는 내부 전압 생성회로.
- 제4항에 있어서,상기 동작시점제어부는 상기 목표전압레벨에 대응하는 문턱 전압 값을 가지는 것을 특징으로 하는 내부 전압 생성회로.
- 제4항에 있어서,상기 전류제어부는 상기 외부 전원전압에 대응하는 전류를 접지 전원전압단 으로 출력하는 것을 특징으로 하는 내부 전압 생성회로.
- 제5항에 있어서,상기 내부전압 생성수단은,상기 목표전압레벨에 대응하는 기준전압과 피드백전압을 비교하기 위한 전압비교부;상기 전압비교부의 출력신호에 응답하여 상기 외부 전원전압으로 상기 내부 전압단을 구동하기 위한 구동부; 및상기 내부 전압단에서 출력되는 상기 내부전압을 분배하여 상기 피드백전압을 생성하기 위한 전압분배부를 구비하는 내부 전압 생성회로.
- 제8항에 있어서,상기 구동부는,외부 전원전압단과 상기 내부 전압단 사이에 연결되고, 상기 전압비교부의 출력신호의 제어받는 제2 MOS 트랜지스터를 구비하는 것을 특징으로 하는 내부 전압 생성회로.
- 제9항에 있어서,상기 제1 MOS 트랜지스터와 상기 제2 MOS 트랜지스터는 동일한 공정 스큐를 가지는 것을 특징으로 하는 내부 전압 생성회로.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020080110039A KR100996186B1 (ko) | 2008-11-06 | 2008-11-06 | 내부 전압 생성회로 |
US12/343,946 US7936207B2 (en) | 2008-11-06 | 2008-12-24 | Internal voltage generator |
TW098106552A TWI408691B (zh) | 2008-11-06 | 2009-02-27 | 內部電壓產生器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020080110039A KR100996186B1 (ko) | 2008-11-06 | 2008-11-06 | 내부 전압 생성회로 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20100050917A KR20100050917A (ko) | 2010-05-14 |
KR100996186B1 true KR100996186B1 (ko) | 2010-11-24 |
Family
ID=42130646
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020080110039A Expired - Fee Related KR100996186B1 (ko) | 2008-11-06 | 2008-11-06 | 내부 전압 생성회로 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7936207B2 (ko) |
KR (1) | KR100996186B1 (ko) |
TW (1) | TWI408691B (ko) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI484317B (zh) * | 2013-01-08 | 2015-05-11 | Winbond Electronics Corp | 半導體積體電路以及內部電壓產生方法 |
US9081396B2 (en) * | 2013-03-14 | 2015-07-14 | Qualcomm Incorporated | Low power and dynamic voltage divider and monitoring circuit |
KR20170039455A (ko) * | 2015-10-01 | 2017-04-11 | 에스케이하이닉스 주식회사 | 반도체 장치 및 그의 구동 방법 |
US10614860B1 (en) * | 2019-04-15 | 2020-04-07 | Micron Technology, Inc. | Systems for discharging leakage current over a range of process, voltage, temperature (PVT) conditions |
US11804255B2 (en) * | 2021-08-04 | 2023-10-31 | Micron Technology, Inc. | Amplifier input pair protection |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR930008661B1 (ko) * | 1991-05-24 | 1993-09-11 | 삼성전자 주식회사 | 반도체메모리장치의 데이타입력버퍼 |
US5552739A (en) * | 1994-02-08 | 1996-09-03 | Micron Technology, Inc. | Integrated circuit power supply having piecewise linearity |
KR100474986B1 (ko) | 1997-06-30 | 2005-06-27 | 삼성전자주식회사 | 반도체장치 |
JP3825300B2 (ja) * | 2001-10-31 | 2006-09-27 | Necエレクトロニクス株式会社 | 内部降圧回路 |
DE60228051D1 (de) * | 2002-05-10 | 2008-09-18 | Texas Instruments Inc | LDO Regler mit Schlafmodus |
US6897715B2 (en) * | 2002-05-30 | 2005-05-24 | Analog Devices, Inc. | Multimode voltage regulator |
KR100452327B1 (ko) * | 2002-07-08 | 2004-10-12 | 삼성전자주식회사 | 반도체 메모리 장치의 내부 전원 전압 발생회로 |
US7221213B2 (en) * | 2005-08-08 | 2007-05-22 | Aimtron Technology Corp. | Voltage regulator with prevention from overvoltage at load transients |
KR100743626B1 (ko) | 2005-09-07 | 2007-07-27 | 주식회사 하이닉스반도체 | 저전력용 내부 전원 공급 장치 |
US7385376B2 (en) * | 2005-12-20 | 2008-06-10 | Broadcom Corporation | Voltage regulator with high voltage protection |
US7414458B2 (en) * | 2006-03-08 | 2008-08-19 | Faraday Technology Corp. | Power gating circuit of a signal processing system |
US7372748B2 (en) * | 2006-10-16 | 2008-05-13 | Sandisk Corporation | Voltage regulator in a non-volatile memory device |
TW200835123A (en) * | 2007-02-14 | 2008-08-16 | Lih-Yih Chiou | An adjustable low dropout voltage regulator |
-
2008
- 2008-11-06 KR KR1020080110039A patent/KR100996186B1/ko not_active Expired - Fee Related
- 2008-12-24 US US12/343,946 patent/US7936207B2/en active Active
-
2009
- 2009-02-27 TW TW098106552A patent/TWI408691B/zh not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR20100050917A (ko) | 2010-05-14 |
US7936207B2 (en) | 2011-05-03 |
TWI408691B (zh) | 2013-09-11 |
TW201019338A (en) | 2010-05-16 |
US20100109762A1 (en) | 2010-05-06 |
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