WO2009037770A1 - メモリ回路およびメモリ回路のデータ書き込み・読み出し方法 - Google Patents

メモリ回路およびメモリ回路のデータ書き込み・読み出し方法 Download PDF

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Publication number
WO2009037770A1
WO2009037770A1 PCT/JP2007/068258 JP2007068258W WO2009037770A1 WO 2009037770 A1 WO2009037770 A1 WO 2009037770A1 JP 2007068258 W JP2007068258 W JP 2007068258W WO 2009037770 A1 WO2009037770 A1 WO 2009037770A1
Authority
WO
WIPO (PCT)
Prior art keywords
latch circuit
memory circuit
data
circuit
reading out
Prior art date
Application number
PCT/JP2007/068258
Other languages
English (en)
French (fr)
Inventor
Masao Ide
Tomohiro Tanaka
Original Assignee
Fujitsu Limited
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 Limited filed Critical Fujitsu Limited
Priority to JP2009533002A priority Critical patent/JP4888562B2/ja
Priority to PCT/JP2007/068258 priority patent/WO2009037770A1/ja
Publication of WO2009037770A1 publication Critical patent/WO2009037770A1/ja
Priority to US12/656,697 priority patent/US8320195B2/en

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
    • H03K3/027—Generators characterised by the type of circuit or by the means used for producing pulses by the use of logic circuits, with internal or external positive feedback
    • H03K3/037—Bistable circuits
    • H03K3/0375—Bistable circuits provided with means for increasing reliability; for protection; for ensuring a predetermined initial state when the supply voltage has been applied; for storing the actual state when the supply voltage fails
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C5/00—Details of stores covered by group G11C11/00
    • G11C5/005—Circuit means for protection against loss of information of semiconductor storage devices
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C7/00—Arrangements for writing information into, or reading information out from, a digital store
    • G11C7/02—Arrangements for writing information into, or reading information out from, a digital store with means for avoiding parasitic signals
    • 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
    • H03K19/0033—Radiation hardening
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
    • H03K3/353—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of field-effect transistors with internal or external positive feedback
    • H03K3/356—Bistable circuits
    • H03K3/356104—Bistable circuits using complementary field-effect transistors
    • H03K3/356113—Bistable circuits using complementary field-effect transistors using additional transistors in the input circuit
    • H03K3/356121—Bistable circuits using complementary field-effect transistors using additional transistors in the input circuit with synchronous operation
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
    • H03K3/353—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of field-effect transistors with internal or external positive feedback
    • H03K3/356—Bistable circuits
    • H03K3/356104—Bistable circuits using complementary field-effect transistors
    • H03K3/356182—Bistable circuits using complementary field-effect transistors with additional means for controlling the main nodes

Abstract

　メモリ回路が、各々が入力されたデータがクロック信号のタイミングで書き込まれこれを保持する第１ラッチ回路および第２のラッチ回路と、ライトイネーブル信号が書き込み可を示す状態の際に前記第１のラッチ回路および第２のラッチ回路にデータを入力するデータ入力回路と、ライトイネーブル信号が書き込み不可を示す状態の際に前記第２のラッチ回路の保持データを前記第１のラッチ回路に入力するライトバック回路とよりなり、第２のラッチ回路は第１のラッチ回路に比してノイズに対する耐性が高められた構成とされてなる。
PCT/JP2007/068258 2007-09-20 2007-09-20 メモリ回路およびメモリ回路のデータ書き込み・読み出し方法 WO2009037770A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2009533002A JP4888562B2 (ja) 2007-09-20 2007-09-20 メモリ回路およびメモリ回路のデータ書き込み・読み出し方法
PCT/JP2007/068258 WO2009037770A1 (ja) 2007-09-20 2007-09-20 メモリ回路およびメモリ回路のデータ書き込み・読み出し方法
US12/656,697 US8320195B2 (en) 2007-09-20 2010-02-12 Memory circuit and method of writing data to and reading data from memory circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2007/068258 WO2009037770A1 (ja) 2007-09-20 2007-09-20 メモリ回路およびメモリ回路のデータ書き込み・読み出し方法

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US12/656,697 Continuation US8320195B2 (en) 2007-09-20 2010-02-12 Memory circuit and method of writing data to and reading data from memory circuit

Publications (1)

Publication Number Publication Date
WO2009037770A1 true WO2009037770A1 (ja) 2009-03-26

Family

ID=40467601

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2007/068258 WO2009037770A1 (ja) 2007-09-20 2007-09-20 メモリ回路およびメモリ回路のデータ書き込み・読み出し方法

Country Status (3)

Country Link
US (1) US8320195B2 (ja)
JP (1) JP4888562B2 (ja)
WO (1) WO2009037770A1 (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8081538B2 (en) * 2009-04-30 2011-12-20 Hynix Semiconductor Inc. Semiconductor memory device and driving method thereof
JP2013008442A (ja) * 2011-06-23 2013-01-10 Thales 高エネルギー粒子の衝突の影響を補正するメモリ素子
JP2013050318A (ja) * 2011-08-30 2013-03-14 Renesas Electronics Corp 出力制御スキャンフリップフロップ、それを備えた半導体集積回路及び半導体集積回路の設計方法

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8588009B2 (en) * 2011-09-28 2013-11-19 International Business Machines Corporation Circuit for memory cell recovery
KR20130105100A (ko) * 2012-03-16 2013-09-25 삼성전자주식회사 키퍼 회로 및 이를 포함하는 전자 장치

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0233215A (ja) * 1988-07-22 1990-02-02 Fujitsu Ltd ラッチ回路
JPH04372214A (ja) * 1991-06-21 1992-12-25 Fujitsu Ltd ラッチ回路
JP2007124343A (ja) * 2005-10-28 2007-05-17 Toshiba Corp データ保持回路

Family Cites Families (13)

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US5016070A (en) * 1989-06-30 1991-05-14 Texas Instruments Incorporated Stacked CMOS sRAM with vertical transistors and cross-coupled capacitors
US5327566A (en) * 1991-07-12 1994-07-05 Hewlett Packard Company Stage saving and restoring hardware mechanism
JPH06237151A (ja) * 1993-02-10 1994-08-23 Fujitsu Ltd 半導体集積回路装置
US6028488A (en) * 1996-11-08 2000-02-22 Texas Instruments Incorporated Digitally-controlled oscillator with switched-capacitor frequency selection
US5860160A (en) * 1996-12-18 1999-01-12 Cypress Semiconductor Corp. High speed FIFO mark and retransmit scheme using latches and precharge
US6696873B2 (en) * 1999-12-23 2004-02-24 Intel Corporation Single event upset hardened latch
US6864733B2 (en) * 2003-05-29 2005-03-08 Intel Corporation Data-enabled static flip-flop circuit with no extra forward-path delay penalty
US6826090B1 (en) * 2003-06-05 2004-11-30 International Business Machines Corporation Apparatus and method for a radiation resistant latch
US7278074B2 (en) * 2005-01-26 2007-10-02 Intel Corporation System and shadow circuits with output joining circuit
US7506230B2 (en) * 2005-02-03 2009-03-17 International Business Machines Corporation Transient noise detection scheme and apparatus
US7415645B2 (en) * 2005-07-28 2008-08-19 International Business Machines Corporation Method and apparatus for soft-error immune and self-correcting latches
JP5223302B2 (ja) * 2007-11-08 2013-06-26 富士通セミコンダクター株式会社 半導体装置
JP4372214B1 (ja) 2008-09-29 2009-11-25 キヤノン株式会社 カラー電子写真画像形成装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0233215A (ja) * 1988-07-22 1990-02-02 Fujitsu Ltd ラッチ回路
JPH04372214A (ja) * 1991-06-21 1992-12-25 Fujitsu Ltd ラッチ回路
JP2007124343A (ja) * 2005-10-28 2007-05-17 Toshiba Corp データ保持回路

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8081538B2 (en) * 2009-04-30 2011-12-20 Hynix Semiconductor Inc. Semiconductor memory device and driving method thereof
JP2013008442A (ja) * 2011-06-23 2013-01-10 Thales 高エネルギー粒子の衝突の影響を補正するメモリ素子
JP2013050318A (ja) * 2011-08-30 2013-03-14 Renesas Electronics Corp 出力制御スキャンフリップフロップ、それを備えた半導体集積回路及び半導体集積回路の設計方法

Also Published As

Publication number Publication date
US8320195B2 (en) 2012-11-27
US20100149885A1 (en) 2010-06-17
JPWO2009037770A1 (ja) 2011-01-06
JP4888562B2 (ja) 2012-02-29

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