DE60114503D1 - Speicher mit automatischer Auffrischungsfunktion und Schaltungeinheit mit automatischer interner Befehlsfunktion - Google Patents

Speicher mit automatischer Auffrischungsfunktion und Schaltungeinheit mit automatischer interner Befehlsfunktion

Info

Publication number
DE60114503D1
DE60114503D1 DE60114503T DE60114503T DE60114503D1 DE 60114503 D1 DE60114503 D1 DE 60114503D1 DE 60114503 T DE60114503 T DE 60114503T DE 60114503 T DE60114503 T DE 60114503T DE 60114503 D1 DE60114503 D1 DE 60114503D1
Authority
DE
Germany
Prior art keywords
automatic
function
memory
circuit unit
internal command
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 - Lifetime
Application number
DE60114503T
Other languages
English (en)
Other versions
DE60114503T2 (de
Inventor
Yasurou Matsuzaki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujitsu Semiconductor Ltd
Original Assignee
Fujitsu Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Publication of DE60114503D1 publication Critical patent/DE60114503D1/de
Application granted granted Critical
Publication of DE60114503T2 publication Critical patent/DE60114503T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C11/00Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/21Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements
    • G11C11/34Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices
    • G11C11/40Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors
    • G11C11/401Digital 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
    • G11C11/406Management or control of the refreshing or charge-regeneration cycles
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C11/00Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/21Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements
    • G11C11/34Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices
    • G11C11/40Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors
    • G11C11/401Digital 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
    • G11C11/406Management or control of the refreshing or charge-regeneration cycles
    • G11C11/40603Arbitration, priority and concurrent access to memory cells for read/write or refresh operations
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C11/00Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/21Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements
    • G11C11/34Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices
    • G11C11/40Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors
    • G11C11/401Digital 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
    • G11C11/406Management or control of the refreshing or charge-regeneration cycles
    • G11C11/40615Internal triggering or timing of refresh, e.g. hidden refresh, self refresh, pseudo-SRAMs
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C11/00Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/21Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements
    • G11C11/34Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices
    • G11C11/40Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors
    • G11C11/401Digital 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
    • G11C11/406Management or control of the refreshing or charge-regeneration cycles
    • G11C11/40618Refresh operations over multiple banks or interleaving
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C11/00Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/21Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements
    • G11C11/34Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices
    • G11C11/40Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors
    • G11C11/401Digital 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
    • G11C11/4063Auxiliary circuits, e.g. for addressing, decoding, driving, writing, sensing or timing
    • G11C11/407Auxiliary circuits, e.g. for addressing, decoding, driving, writing, sensing or timing for memory cells of the field-effect type
    • G11C11/4072Circuits for initialization, powering up or down, clearing memory or presetting
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C11/00Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/21Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements
    • G11C11/34Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices
    • G11C11/40Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors
    • G11C11/401Digital 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
    • G11C11/4063Auxiliary circuits, e.g. for addressing, decoding, driving, writing, sensing or timing
    • G11C11/407Auxiliary circuits, e.g. for addressing, decoding, driving, writing, sensing or timing for memory cells of the field-effect type
    • G11C11/409Read-write [R-W] circuits 
    • G11C11/4094Bit-line management or control circuits
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C2211/00Indexing scheme relating to digital stores characterized by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C2211/401Indexing scheme relating to cells needing refreshing or charge regeneration, i.e. dynamic cells
    • G11C2211/406Refreshing of dynamic cells
    • G11C2211/4061Calibration or ate or cycle tuning
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C2211/00Indexing scheme relating to digital stores characterized by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C2211/401Indexing scheme relating to cells needing refreshing or charge regeneration, i.e. dynamic cells
    • G11C2211/406Refreshing of dynamic cells
    • G11C2211/4065Low level details of refresh operations

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Computer Hardware Design (AREA)
  • Dram (AREA)
DE60114503T 2000-04-28 2001-04-30 Speicher mit automatischer Auffrischungsfunktion und Schaltungeinheit mit automatischer interner Befehlsfunktion Expired - Lifetime DE60114503T2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2000131260 2000-04-28
JP2000131260 2000-04-28
JP2001113443 2001-04-12
JP2001113443A JP4201490B2 (ja) 2000-04-28 2001-04-12 自動プリチャージ機能を有するメモリ回路及び自動内部コマンド機能を有する集積回路装置

Publications (2)

Publication Number Publication Date
DE60114503D1 true DE60114503D1 (de) 2005-12-08
DE60114503T2 DE60114503T2 (de) 2006-06-22

Family

ID=26591275

Family Applications (2)

Application Number Title Priority Date Filing Date
DE60114503T Expired - Lifetime DE60114503T2 (de) 2000-04-28 2001-04-30 Speicher mit automatischer Auffrischungsfunktion und Schaltungeinheit mit automatischer interner Befehlsfunktion
DE60136396T Expired - Lifetime DE60136396D1 (de) 2000-04-28 2001-04-30 Schaltungeinheit mit automatischer interner Befehlsfunktion

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE60136396T Expired - Lifetime DE60136396D1 (de) 2000-04-28 2001-04-30 Schaltungeinheit mit automatischer interner Befehlsfunktion

Country Status (6)

Country Link
US (7) US6636449B2 (de)
EP (3) EP1610342B8 (de)
JP (1) JP4201490B2 (de)
KR (1) KR100656217B1 (de)
DE (2) DE60114503T2 (de)
TW (1) TW588351B (de)

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JP4326294B2 (ja) 2003-09-16 2009-09-02 株式会社ルネサステクノロジ 半導体記憶装置
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US7702942B2 (en) * 2005-09-12 2010-04-20 Northern Lights Semiconductor Corp. Method for generating adjustable MRAM timing signals
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US7385858B2 (en) * 2005-11-30 2008-06-10 Mosaid Technologies Incorporated Semiconductor integrated circuit having low power consumption with self-refresh
JP2007200504A (ja) * 2006-01-30 2007-08-09 Fujitsu Ltd 半導体メモリ、メモリコントローラ及び半導体メモリの制御方法
DE102006020098A1 (de) * 2006-04-29 2007-10-31 Infineon Technologies Ag Speicherschaltung und Verfahren zum Auffrischen von dynamischen Speicherzellen
US7768866B2 (en) * 2006-05-03 2010-08-03 Macronix International Co., Ltd. Method and system for preventing noise disturbance in high speed, low power memory
US7733731B2 (en) * 2007-03-05 2010-06-08 Micron Technology, Inc. Control of inputs to a memory device
US7729191B2 (en) * 2007-09-06 2010-06-01 Micron Technology, Inc. Memory device command decoding system and memory device and processor-based system using same
JP2009181666A (ja) * 2008-01-31 2009-08-13 Sony Corp 半導体メモリ装置およびその動作方法
US8130576B2 (en) * 2008-06-30 2012-03-06 Intel Corporation Memory throughput increase via fine granularity of precharge management
KR101666590B1 (ko) * 2009-02-23 2016-10-14 삼성전자 주식회사 글리치 프리 및 파워 세이빙 기능을 갖는 시프트 레지스터 회로
KR20110040538A (ko) * 2009-10-14 2011-04-20 삼성전자주식회사 레이턴시 회로 및 이를 포함하는 반도체 장치
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Also Published As

Publication number Publication date
US7304907B2 (en) 2007-12-04
US20070201292A1 (en) 2007-08-30
JP2002015575A (ja) 2002-01-18
US20070195628A1 (en) 2007-08-23
JP4201490B2 (ja) 2008-12-24
EP1150301A1 (de) 2001-10-31
EP1610342B1 (de) 2008-10-29
TW588351B (en) 2004-05-21
US20060187732A1 (en) 2006-08-24
US6636449B2 (en) 2003-10-21
EP1610342B8 (de) 2009-03-04
US7345942B2 (en) 2008-03-18
US20040196728A1 (en) 2004-10-07
KR100656217B1 (ko) 2006-12-12
US7349280B2 (en) 2008-03-25
DE60136396D1 (de) 2008-12-11
EP1406268B1 (de) 2012-05-30
US7064997B2 (en) 2006-06-20
US6747906B2 (en) 2004-06-08
EP1150301B1 (de) 2005-11-02
KR20010100919A (ko) 2001-11-14
US20030202414A1 (en) 2003-10-30
EP1610342A1 (de) 2005-12-28
EP1406268A2 (de) 2004-04-07
DE60114503T2 (de) 2006-06-22
US20070206431A1 (en) 2007-09-06
US20010038565A1 (en) 2001-11-08
EP1406268A3 (de) 2008-05-14

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8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: FUJITSU MICROELECTRONICS LTD., TOKYO, JP

8327 Change in the person/name/address of the patent owner

Owner name: FUJITSU SEMICONDUCTOR LTD., YOKOHAMA, KANAGAWA, JP

8328 Change in the person/name/address of the agent

Representative=s name: SEEGER SEEGER LINDNER PARTNERSCHAFT PATENTANWAELTE