KR100449270B1 - 다이나믹 램 장치의 플레이트 전압 발생 회로 - Google Patents
다이나믹 램 장치의 플레이트 전압 발생 회로 Download PDFInfo
- Publication number
- KR100449270B1 KR100449270B1 KR1019970036643A KR19970036643A KR100449270B1 KR 100449270 B1 KR100449270 B1 KR 100449270B1 KR 1019970036643 A KR1019970036643 A KR 1019970036643A KR 19970036643 A KR19970036643 A KR 19970036643A KR 100449270 B1 KR100449270 B1 KR 100449270B1
- Authority
- KR
- South Korea
- Prior art keywords
- voltage
- burn
- level
- plate
- test operation
- 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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Classifications
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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
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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
- G11C11/4076—Timing circuits
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C29/00—Checking stores for correct operation ; Subsequent repair; Testing stores during standby or offline operation
- G11C29/04—Detection or location of defective memory elements, e.g. cell constructio details, timing of test signals
- G11C29/50—Marginal testing, e.g. race, voltage or current testing
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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
- G11C5/143—Detection of memory cassette insertion or removal; Continuity checks of supply or ground lines; Detection of supply variations, interruptions or levels ; Switching between alternative supplies
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- For Increasing The Reliability Of Semiconductor Memories (AREA)
- Dram (AREA)
Abstract
Description
Claims (5)
- 플레이트 전압 (Vp)이 인가되는 플레이트 라인과; 적어도 하나의 행 라인과; 적어도 하나의 열 라인과; 상기 플레이트 라인에 일 전극이 접속되고 상기 행 라인에 제어되는 셀 트랜지스터를 통해 상기 열 라인에 타 전극이 접속되는 셀 커패시터를 갖는 적어도 하나의 메모리 셀을 구비한 다이나믹 램 장치에 있어서,정상적인 독출/기입 동작 동안에 내부 전원 전압 (VIVC)에 응답하여 상기 플레이트 전압 (Vp)을 발생하는 수단과;번_인 테스트 동작 동안에 상기 셀 커패시터에 저장된 데이터에 따라 상기 플레이트 전압 (Vp)을 제 1 레벨 전압과 제 2 레벨 전압 중 하나로 발생하는 수단과;외부 전원 전압 (VEXT)이 소정의 기준 전압 (VREF)보다 낮은지 높은지를 검출한 제 1 검출 신호 (PDET)를 발생하는 수단과;기입 활성화 신호 (상기 제 2 검출 신호 쌍 (A) 및 (상기 제 2 검출 신호 쌍 (A) 및 (상기 셀에 데이터 '1'이 저장되었을 경우 상기 번_인 테스트 동작시 발생되는 상기 플레이트 전압 (Vp)은 상기 제 1 레벨 전압이고 상기 셀에 데이터 '0'이 저장되었을 경우 상기 번_인 테스트 동작시 발생되는 상기 플레이트 전압 (Vp)은 상기 제 2 레벨 전압인 것을 특징으로 하는 다이나믹 램 장치.
- 제 1 항에 있어서,상기 플레이트 전압 (Vp)의 레벨은 정상적인 독출/기입 동작시 상기 내부 전원 전압 (VIVC)의 절반에 해당하는 레벨인 것을 특징으로 하는 다이나믹 램 장치.
- 제 1 항에 있어서,상기 제 1 레벨 전압은 접지 전위이고 상기 제 2 레벨 전압은 상기 내부 전원 전압 (VIVC)인 것을 특징으로 하는 다이나믹 램 장치.
- 제 1 항에 있어서,상기 제 1 및 제 2 신호들 (Ai) 및 (Aj)은 상기 번_인 테스트 동작시 어느 하나만 활성화되며, 상기 활성화된 신호의 전압 레벨은 약 8볼트에 해당하는 레벨인 것을 특징으로 하는 다이나믹 램 장치.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019970036643A KR100449270B1 (ko) | 1997-07-31 | 1997-07-31 | 다이나믹 램 장치의 플레이트 전압 발생 회로 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019970036643A KR100449270B1 (ko) | 1997-07-31 | 1997-07-31 | 다이나믹 램 장치의 플레이트 전압 발생 회로 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR19990013060A KR19990013060A (ko) | 1999-02-25 |
KR100449270B1 true KR100449270B1 (ko) | 2004-12-17 |
Family
ID=37366791
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019970036643A Expired - Fee Related KR100449270B1 (ko) | 1997-07-31 | 1997-07-31 | 다이나믹 램 장치의 플레이트 전압 발생 회로 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100449270B1 (ko) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100583130B1 (ko) * | 2004-04-20 | 2006-05-23 | 주식회사 하이닉스반도체 | 불휘발성 강유전체 메모리의 웨이퍼 레벨 번인 테스트 방법 |
KR100907003B1 (ko) * | 2007-11-09 | 2009-07-08 | 주식회사 하이닉스반도체 | 테스트 회로 및 이를 포함하는 반도체 장치 |
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1997
- 1997-07-31 KR KR1019970036643A patent/KR100449270B1/ko not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
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KR19990013060A (ko) | 1999-02-25 |
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PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 19970731 |
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Patent event code: PA02012R01D Patent event date: 20020730 Comment text: Request for Examination of Application Patent event code: PA02011R01I Patent event date: 19970731 Comment text: Patent Application |
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Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 20040630 |
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Comment text: Registration of Establishment Patent event date: 20040908 Patent event code: PR07011E01D |
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PR1002 | Payment of registration fee |
Payment date: 20040909 End annual number: 3 Start annual number: 1 |
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