GB2402274B - Delay locked loop for use in semiconductor memory device - Google Patents
Delay locked loop for use in semiconductor memory deviceInfo
- Publication number
- GB2402274B GB2402274B GB0418667A GB0418667A GB2402274B GB 2402274 B GB2402274 B GB 2402274B GB 0418667 A GB0418667 A GB 0418667A GB 0418667 A GB0418667 A GB 0418667A GB 2402274 B GB2402274 B GB 2402274B
- Authority
- GB
- United Kingdom
- Prior art keywords
- memory device
- semiconductor memory
- locked loop
- delay locked
- delay
- 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
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C7/00—Arrangements for writing information into, or reading information out from, a digital store
- G11C7/22—Read-write [R-W] timing or clocking circuits; Read-write [R-W] control signal generators or management
- G11C7/222—Clock generating, synchronizing or distributing circuits within memory device
-
- 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
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C7/00—Arrangements for writing information into, or reading information out from, a digital store
- G11C7/22—Read-write [R-W] timing or clocking circuits; Read-write [R-W] control signal generators or management
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Hardware Design (AREA)
- Dram (AREA)
- Pulse Circuits (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2000-0036762A KR100527397B1 (en) | 2000-06-30 | 2000-06-30 | Delay Locked Loop having small jitter in semiconductor memory device |
GB0116028A GB2367435B (en) | 2000-06-30 | 2001-06-29 | Delay locked loop for use in semiconductor memory device |
Publications (3)
Publication Number | Publication Date |
---|---|
GB0418667D0 GB0418667D0 (en) | 2004-09-22 |
GB2402274A GB2402274A (en) | 2004-12-01 |
GB2402274B true GB2402274B (en) | 2005-02-23 |
Family
ID=33436266
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0418670A Expired - Fee Related GB2402275B (en) | 2000-06-30 | 2001-06-29 | Delay locked loop for use in semiconductor memory device |
GB0418667A Expired - Fee Related GB2402274B (en) | 2000-06-30 | 2001-06-29 | Delay locked loop for use in semiconductor memory device |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0418670A Expired - Fee Related GB2402275B (en) | 2000-06-30 | 2001-06-29 | Delay locked loop for use in semiconductor memory device |
Country Status (1)
Country | Link |
---|---|
GB (2) | GB2402275B (en) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5901190A (en) * | 1995-12-27 | 1999-05-04 | Samsung Electronics, Co., Ltd. | Digital delay locked loop circuit using synchronous delay line |
GB2331416A (en) * | 1997-08-27 | 1999-05-19 | Lsi Logic Corp | Continuously adjustable delay circuit |
US5969553A (en) * | 1997-06-20 | 1999-10-19 | Mitsubishi Denki Kabushiki Kaisha | Digital delay circuit and digital PLL circuit with first and second delay units |
US6049239A (en) * | 1996-12-27 | 2000-04-11 | Fujitsu Limited | Variable delay circuit and semiconductor integrated circuit device |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2771464B2 (en) * | 1994-09-29 | 1998-07-02 | 日本電気アイシーマイコンシステム株式会社 | Digital PLL circuit |
KR100321755B1 (en) * | 1999-12-24 | 2002-02-02 | 박종섭 | Delay Locked Loop having a fast locking time |
-
2001
- 2001-06-29 GB GB0418670A patent/GB2402275B/en not_active Expired - Fee Related
- 2001-06-29 GB GB0418667A patent/GB2402274B/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5901190A (en) * | 1995-12-27 | 1999-05-04 | Samsung Electronics, Co., Ltd. | Digital delay locked loop circuit using synchronous delay line |
US6049239A (en) * | 1996-12-27 | 2000-04-11 | Fujitsu Limited | Variable delay circuit and semiconductor integrated circuit device |
US5969553A (en) * | 1997-06-20 | 1999-10-19 | Mitsubishi Denki Kabushiki Kaisha | Digital delay circuit and digital PLL circuit with first and second delay units |
GB2331416A (en) * | 1997-08-27 | 1999-05-19 | Lsi Logic Corp | Continuously adjustable delay circuit |
Also Published As
Publication number | Publication date |
---|---|
GB0418667D0 (en) | 2004-09-22 |
GB2402275B (en) | 2005-02-23 |
GB2402274A (en) | 2004-12-01 |
GB0418670D0 (en) | 2004-09-22 |
GB2402275A (en) | 2004-12-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20180629 |