IT1250087B - Dispositivo di memoria a semiconduttori in grado di eseguire operazioni di rinfresco non periodiche. - Google Patents

Dispositivo di memoria a semiconduttori in grado di eseguire operazioni di rinfresco non periodiche.

Info

Publication number
IT1250087B
IT1250087B ITRM910644A ITRM910644A IT1250087B IT 1250087 B IT1250087 B IT 1250087B IT RM910644 A ITRM910644 A IT RM910644A IT RM910644 A ITRM910644 A IT RM910644A IT 1250087 B IT1250087 B IT 1250087B
Authority
IT
Italy
Prior art keywords
memory device
semiconductor memory
refresh request
periodic refreshing
refreshing operations
Prior art date
Application number
ITRM910644A
Other languages
English (en)
Inventor
Jun-Young Jeon
Dae-Je Jin
Original Assignee
Samsung Electronics Co 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 Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of ITRM910644A0 publication Critical patent/ITRM910644A0/it
Publication of ITRM910644A1 publication Critical patent/ITRM910644A1/it
Application granted granted Critical
Publication of IT1250087B publication Critical patent/IT1250087B/it

Links

Classifications

    • 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
    • G11C11/406—Management or control of the refreshing or charge-regeneration cycles
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C29/00—Checking stores for correct operation ; Subsequent repair; Testing stores during standby or offline operation

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Computer Hardware Design (AREA)
  • Dram (AREA)
  • Read Only Memory (AREA)

Abstract

E' descritto un dispositivo di memoria a semiconduttori, avente celle di memoria che memorizzano continuativamente in esse una data informazione mediante scrittura, cioè, una operazione di rinfresco, in grado di effettuare operazioni di rinfresco non periodiche. L'elemento di memoria a semiconduttori comprende al suo interno un generatore di segnale di richiesta di rinfresco avente una cella di memoria di riferimento 51 collegata ad una linea di parola nel dispositivo di memoria. Il generatore 100A di segnale di richiesta di rinfresco genera segnali di richiesta di rinfresco soltanto al momento di cancellazione della informazione memorizzata nella cella di memoria. I segnali di richiesta di rinfresco posti in uscita fanno in modo che i segnali di rinfresco vengano trasferiti alla cella di memoria. Conseguentemente, si possono effettuare operazioni di rinfresco non periodiche, riducendo in tal modo il consumo di potenza, ed aumentando il numero di lavoro di ingresso/uscita di dati.
ITRM910644A 1991-05-16 1991-08-29 Dispositivo di memoria a semiconduttori in grado di eseguire operazioni di rinfresco non periodiche. IT1250087B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019910007979A KR920022293A (ko) 1991-05-16 1991-05-16 비정기적인 리프레쉬 동작을 실행하는 반도체 메모리 장치

Publications (3)

Publication Number Publication Date
ITRM910644A0 ITRM910644A0 (it) 1991-08-29
ITRM910644A1 ITRM910644A1 (it) 1993-03-01
IT1250087B true IT1250087B (it) 1995-03-30

Family

ID=19314543

Family Applications (1)

Application Number Title Priority Date Filing Date
ITRM910644A IT1250087B (it) 1991-05-16 1991-08-29 Dispositivo di memoria a semiconduttori in grado di eseguire operazioni di rinfresco non periodiche.

Country Status (8)

Country Link
US (1) US5278797A (it)
JP (1) JPH04344387A (it)
KR (1) KR920022293A (it)
DE (1) DE4124904A1 (it)
FR (1) FR2676578A1 (it)
GB (1) GB2255844A (it)
IT (1) IT1250087B (it)
TW (1) TW225603B (it)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06281911A (ja) * 1992-12-18 1994-10-07 At & T Global Inf Solutions Internatl Inc コンピューター用ビデオラム（ｖ−ｒａｍ）
JP3922653B2 (ja) * 1993-03-17 2007-05-30 ゲイトフィールド・コーポレイション ランダムアクセスメモリ（ｒａｍ）ベースのコンフィギュラブルアレイ
JPH07141865A (ja) * 1993-06-28 1995-06-02 Mitsubishi Electric Corp 発振回路および半導体記憶装置
US5392251A (en) * 1993-07-13 1995-02-21 Micron Semiconductor, Inc. Controlling dynamic memory refresh cycle time
JP2836453B2 (ja) * 1993-08-26 1998-12-14 日本電気株式会社 半導体メモリの初段回路方式
JPH07182857A (ja) * 1993-12-24 1995-07-21 Toshiba Corp マイコンシステム
TW301750B (it) * 1995-02-08 1997-04-01 Matsushita Electric Ind Co Ltd
US5717644A (en) * 1996-10-09 1998-02-10 International Business Machines Corporation Apparatus for varying the refresh rate for a DRAM in response to variation in operating voltages and method thereof
US5712825A (en) * 1996-10-09 1998-01-27 International Business Machines Corporation Maintaining data integrity in DRAM while varying operating voltages
US5890198A (en) * 1996-10-22 1999-03-30 Micron Technology, Inc. Intelligent refresh controller for dynamic memory devices
FR2775382B1 (fr) * 1998-02-25 2001-10-05 St Microelectronics Sa Procede de controle du rafraichissement d'un plan memoire d'un dispositif de memoire vive dynamique, et dispositif de memoire vive correspondant
KR100524059B1 (ko) * 1998-10-01 2005-12-21 삼성전자주식회사 컴퓨터의 에스.티.알. 기능 지원장치
JP4392740B2 (ja) * 2001-08-30 2010-01-06 株式会社ルネサステクノロジ 半導体記憶回路
US6515929B1 (en) * 2001-10-29 2003-02-04 Etron Technology, Inc. Partial refresh feature in pseudo SRAM
KR100481928B1 (ko) * 2002-07-04 2005-04-13 주식회사 하이닉스반도체 휘발성 메모리 소자의 리프래쉬 주기 제어 회로 및 이를이용한 리프래쉬 방법
US7474579B2 (en) * 2006-12-20 2009-01-06 Spansion Llc Use of periodic refresh in medium retention memory arrays
KR101963457B1 (ko) * 2011-04-29 2019-03-28 가부시키가이샤 한도오따이 에네루기 켄큐쇼 반도체 기억 장치 및 그 구동 방법
KR20150138026A (ko) 2014-05-29 2015-12-09 가부시키가이샤 한도오따이 에네루기 켄큐쇼 반도체 장치

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1774962C2 (de) * 1967-06-07 1974-02-28 Motorola Inc., Franklin Park, Ill. (V.St.A.) Anordnung zur Speicherung von analogen Signalen. Ausscheidung-aus: 1763459
US3705392A (en) * 1971-09-07 1972-12-05 Texas Instruments Inc Mos dynamic memory
US4547867A (en) * 1980-10-01 1985-10-15 Intel Corporation Multiple bit dynamic random-access memory
JPS5956291A (ja) * 1982-09-24 1984-03-31 Hitachi Ltd Ｍｏｓ記憶装置
JPS59227090A (ja) * 1983-06-06 1984-12-20 Hitachi Ltd 不揮発性メモリ装置
JPS6083293A (ja) * 1983-10-14 1985-05-11 Hitachi Micro Comput Eng Ltd ダイナミツク型ｒａｍ
JPS60242586A (ja) * 1984-05-16 1985-12-02 Hitachi Micro Comput Eng Ltd 半導体集積回路装置
JPS6150287A (ja) * 1984-08-20 1986-03-12 Toshiba Corp ダイナミツクメモリの自動リフレツシユ制御回路
JPS62154293A (ja) * 1985-12-26 1987-07-09 Casio Comput Co Ltd 半導体記憶装置
JPS63121197A (ja) * 1986-11-07 1988-05-25 Fujitsu Ltd 半導体記憶装置
JP2647527B2 (ja) * 1990-02-21 1997-08-27 シャープ株式会社 センス増幅回路

Also Published As

Publication number Publication date
GB2255844A (en) 1992-11-18
DE4124904A1 (de) 1992-11-19
ITRM910644A0 (it) 1991-08-29
JPH04344387A (ja) 1992-11-30
GB9118624D0 (en) 1991-10-16
FR2676578A1 (fr) 1992-11-20
US5278797A (en) 1994-01-11
ITRM910644A1 (it) 1993-03-01
TW225603B (it) 1994-06-21
KR920022293A (ko) 1992-12-19

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Legal Events

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