KR100930407B1 - 입력회로를 가지는 반도체 집적회로 - Google Patents
입력회로를 가지는 반도체 집적회로 Download PDFInfo
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- KR100930407B1 KR100930407B1 KR1020080005897A KR20080005897A KR100930407B1 KR 100930407 B1 KR100930407 B1 KR 100930407B1 KR 1020080005897 A KR1020080005897 A KR 1020080005897A KR 20080005897 A KR20080005897 A KR 20080005897A KR 100930407 B1 KR100930407 B1 KR 100930407B1
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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
- G11C11/409—Read-write [R-W] circuits
- G11C11/4096—Input/output [I/O] data management or control circuits, e.g. reading or writing circuits, I/O drivers or bit-line switches
-
- 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
- H03K19/003—Modifications for increasing the reliability for protection
- H03K19/00323—Delay compensation
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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
- 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
- G11C11/409—Read-write [R-W] circuits
- G11C11/4091—Sense or sense/refresh amplifiers, or associated sense circuitry, e.g. for coupled bit-line precharging, equalising or isolating
-
- 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
- G11C11/409—Read-write [R-W] circuits
- G11C11/4093—Input/output [I/O] data interface arrangements, e.g. data buffers
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C7/00—Arrangements for writing information into, or reading information out from, a digital store
- G11C7/10—Input/output [I/O] data interface arrangements, e.g. I/O data control circuits, I/O data buffers
- G11C7/1078—Data input circuits, e.g. write amplifiers, data input buffers, data input registers, data input level conversion circuits
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C7/00—Arrangements for writing information into, or reading information out from, a digital store
- G11C7/10—Input/output [I/O] data interface arrangements, e.g. I/O data control circuits, I/O data buffers
- G11C7/1078—Data input circuits, e.g. write amplifiers, data input buffers, data input registers, data input level conversion circuits
- G11C7/1084—Data input buffers, e.g. comprising level conversion circuits, circuits for adapting load
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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
- H03K19/01—Modifications for accelerating switching
- H03K19/017—Modifications for accelerating switching in field-effect transistor circuits
- H03K19/01707—Modifications for accelerating switching in field-effect transistor circuits in asynchronous circuits
- H03K19/01721—Modifications for accelerating switching in field-effect transistor circuits in asynchronous circuits by means of a pull-up or down element
-
- 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
- H03K19/01—Modifications for accelerating switching
- H03K19/017—Modifications for accelerating switching in field-effect transistor circuits
- H03K19/01728—Modifications for accelerating switching in field-effect transistor circuits in synchronous circuits, i.e. by using clock signals
- H03K19/01742—Modifications for accelerating switching in field-effect transistor circuits in synchronous circuits, i.e. by using clock signals by means of a pull-up or down element
-
- 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
- H03K19/018507—Interface arrangements
- H03K19/018521—Interface arrangements of complementary type, e.g. CMOS
- H03K19/018528—Interface arrangements of complementary type, e.g. CMOS with at least one differential stage
-
- 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
- H03K19/02—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components
- H03K19/08—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components using semiconductor devices
- H03K19/094—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components using semiconductor devices using field-effect transistors
- H03K19/09425—Multistate logic
- H03K19/09429—Multistate logic one of the states being the high impedance or floating state
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- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- Computing Systems (AREA)
- General Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Databases & Information Systems (AREA)
- Logic Circuits (AREA)
- Dram (AREA)
Abstract
Description
Claims (20)
- 반도체 집적회로에 있어서:입력신호의 전위레벨을 검출하여 검출신호를 출력하는 입력전위검출부;상기 입력신호를 제1전류싱크부를 통한 차동증폭동작을 수행하여 상기 입력신호를 버퍼링하는 입력버퍼; 및상기 입력버퍼의 입력신호와 상기 입력전위검출부의 검출신호를 입력하고 상기 검출신호의 레벨에 응답하여 차동증폭동작을 수행하는 제2전류싱크부;를 구비함을 특징으로 하는 반도체 집적회로.
- 제 1 항에 있어서, 상기 입력전위검출부는,기준전압를 발생하는 기준전압발생부;상기 입력신호의 전위레벨에 응답하여 상기 기준전압을 전송하는 입력부;인에이블신호의 활성화에 응답하여 상기 입력부로부터 전송되는 상기 기준전압을 상기 검출신호로서 출력하는 출력제어부를 구비함을 특징으로 하는 반도체 집적회로.
- 제 2 항에 있어서,상기 입력부는 상기 입력신호의 전위레벨이 미리 예정된 레벨보다 낮을 시에 상기 기준전압을 전송함을 특징으로 하는 반도체 집적회로.
- 제 2 항에 있어서,상기 인에이블신호는 상기 입력버퍼의 인에이블신호임을 특징으로 하는 반도체 집적회로.
- 제 1 항에 있어서,상기 입력버퍼는, 상기 입력신호를 상기 제1전류싱크부를 통해 차동증폭하는 구조로 이루어지는 버퍼임을 특징으로 하는 반도체 집적회로.
- 제 5 항에 있어서,상기 입력버퍼는 인에이블신호의 활성화에 응답하여 구동됨을 특징으로 하는 반도체 집적회로.
- 제 1 항에 있어서, 상기 제2전류싱크부는,상기 입력버퍼의 제1입력신호를 입력하는 제1보조입력부;상기 입력버퍼의 제2입력신호를 입력하는 제2보조입력부;상기 제1보조입력부와 제2보조입력부에 공통으로 연결되고 상기 검출신호의 입력에 응답하여 상기 제1보조입력부와 제2보조입력부의 차동증폭을 구동하는 저입력전위구동부를 구비함을 특징으로 하는 반도체 집적회로.
- 제 7 항에 있어서,상기 제1보조입력부는 상기 입력버퍼의 트랜지스터보다 문턱전압이 낮은 제1엔모스트랜지스터를 포함하여 이루어짐을 특징으로 하는 반도체 집적회로.
- 제 8 항에 있어서,상기 제2보조입력부는 상기 입력버퍼의 트랜지스터보다 문턱전압이 낮은 제2엔모스트랜지스터를 포함하여 구성됨을 특징으로 하는 반도체 집적회로.
- 제 9 항에 있어서,상기 저입력전위구동부는 상기 검출신호의 활성화입력에 응답하여 구동되는 제3엔모스트랜지스터를 포함하여 이루어짐을 특징으로 하는 반도체 집적회로.
- 반도체 집적회로에 있어서:입력신호의 전위레벨을 검출하여 검출신호를 출력하는 입력전위검출부; 및제1전류싱크부를 통한 차동증폭동작을 수행하여 상기 입력신호를 버퍼링하는 버퍼수단과, 상기 버퍼수단의 입력신호와 상기 입력전위검출부의 검출신호를 입력하고 상기 검출신호의 레벨에 응답하여 차동증폭동작을 수행하는 제2전류싱크부를 포함하는 입력버퍼;를 구비함을 특징으로 하는 반도체 집적회로.
- 제 11 항에 있어서, 상기 입력전위검출부는,기준전압를 발생하는 기준전압발생부;상기 입력신호의 전위레벨에 응답하여 상기 기준전압을 전송하는 입력부;인에이블신호의 활성화에 응답하여 상기 입력부로부터 전송되는 상기 기준전압을 상기 검출신호로서 출력하는 출력제어부를 구비함을 특징으로 하는 반도체 집적회로.
- 제 12 항에 있어서,상기 입력부는 상기 입력신호의 전위레벨이 미리 예정된 레벨보다 낮을 시에 상기 기준전압을 전송함을 특징으로 하는 반도체 집적회로.
- 제 12 항에 있어서,상기 인에이블신호는 상기 입력버퍼의 버퍼수단의 인에이블신호임을 특징으로 하는 반도체 집적회로.
- 제 11 항에 있어서,상기 입력버퍼의 버퍼수단은, 상기 제1전류싱크를 통하여 상기 입력신호를 차동증폭하는 구조로 이루어지는 버퍼임을 특징으로 하는 반도체 집적회로.
- 제 15 항에 있어서,상기 입력버퍼의 버퍼수단은 인에이블신호의 활성화에 응답하여 구동됨을 특징으로 하는 반도체 집적회로.
- 제 11 항에 있어서, 상기 제2전류싱크부는,상기 입력버퍼의 제1입력신호를 입력하는 제1보조입력부;상기 입력버퍼의 제2입력신호를 입력하는 제2보조입력부;상기 제1보조입력부와 제2보조입력부에 공통으로 연결되고 상기 검출신호의 입력에 응답하여 상기 제1보조입력부와 제2보조입력부의 차동증폭을 구동하는 저입력전위구동부를 구비함을 특징으로 하는 반도체 집적회로.
- 제 17 항에 있어서,상기 제1보조입력부는 상기 입력버퍼의 트랜지스터보다 문턱전압이 낮은 제1엔모스트랜지스터를 포함하여 이루어짐을 특징으로 하는 반도체 집적회로.
- 제 18 항에 있어서,상기 제2보조입력부는 상기 입력버퍼의 트랜지스터보다 문턱전압이 낮은 제2엔모스트랜지스터를 포함하여 구성됨을 특징으로 하는 반도체 집적회로.
- 제 19 항에 있어서,상기 저입력전위구동부는 상기 검출신호의 활성화입력에 응답하여 구동되는 제3엔모스트랜지스터를 포함하여 이루어짐을 특징으로 하는 반도체 집적회로.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020080005897A KR100930407B1 (ko) | 2008-01-18 | 2008-01-18 | 입력회로를 가지는 반도체 집적회로 |
| US12/138,024 US7679409B2 (en) | 2008-01-18 | 2008-06-12 | Semiconductor device having input circuit with auxiliary current sink |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020080005897A KR100930407B1 (ko) | 2008-01-18 | 2008-01-18 | 입력회로를 가지는 반도체 집적회로 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20090079724A KR20090079724A (ko) | 2009-07-22 |
| KR100930407B1 true KR100930407B1 (ko) | 2009-12-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020080005897A Expired - Fee Related KR100930407B1 (ko) | 2008-01-18 | 2008-01-18 | 입력회로를 가지는 반도체 집적회로 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US7679409B2 (ko) |
| KR (1) | KR100930407B1 (ko) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100930406B1 (ko) * | 2008-01-18 | 2009-12-08 | 주식회사 하이닉스반도체 | 입력회로를 가지는 반도체 집적회로 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR970068164A (ko) * | 1996-03-14 | 1997-10-13 | 김광호 | 반도체 메모리 장치의 입력 버퍼 회로 |
| JP2001111407A (ja) * | 1999-09-15 | 2001-04-20 | Infineon Technologies Ag | 集積半導体回路 |
| KR20040013838A (ko) * | 2002-08-08 | 2004-02-14 | 삼성전자주식회사 | 동기형 반도체 메모리 장치의 입력버퍼 |
| KR20050064038A (ko) * | 2003-12-23 | 2005-06-29 | 주식회사 하이닉스반도체 | 입력 버퍼 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4795916A (en) * | 1987-01-23 | 1989-01-03 | The Grass Valley Group, Inc. | Low power differential ECL line driver |
| FR2676149A1 (fr) * | 1991-04-30 | 1992-11-06 | Philips Composants | Amplificateur differentiel notamment du type a cascode. |
| US6034568A (en) * | 1998-06-15 | 2000-03-07 | International Business Machines Corporation | Broadband dc amplifier technique with very low offset voltage |
| KR100930406B1 (ko) * | 2008-01-18 | 2009-12-08 | 주식회사 하이닉스반도체 | 입력회로를 가지는 반도체 집적회로 |
-
2008
- 2008-01-18 KR KR1020080005897A patent/KR100930407B1/ko not_active Expired - Fee Related
- 2008-06-12 US US12/138,024 patent/US7679409B2/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR970068164A (ko) * | 1996-03-14 | 1997-10-13 | 김광호 | 반도체 메모리 장치의 입력 버퍼 회로 |
| JP2001111407A (ja) * | 1999-09-15 | 2001-04-20 | Infineon Technologies Ag | 集積半導体回路 |
| KR20040013838A (ko) * | 2002-08-08 | 2004-02-14 | 삼성전자주식회사 | 동기형 반도체 메모리 장치의 입력버퍼 |
| KR20050064038A (ko) * | 2003-12-23 | 2005-06-29 | 주식회사 하이닉스반도체 | 입력 버퍼 |
Also Published As
| Publication number | Publication date |
|---|---|
| US7679409B2 (en) | 2010-03-16 |
| KR20090079724A (ko) | 2009-07-22 |
| US20090184737A1 (en) | 2009-07-23 |
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