WO2004084230A1 - 特殊書き込みモードを有する半導体記憶装置 - Google Patents

特殊書き込みモードを有する半導体記憶装置 Download PDF

Info

Publication number
WO2004084230A1
WO2004084230A1 PCT/JP2003/003446 JP0303446W WO2004084230A1 WO 2004084230 A1 WO2004084230 A1 WO 2004084230A1 JP 0303446 W JP0303446 W JP 0303446W WO 2004084230 A1 WO2004084230 A1 WO 2004084230A1
Authority
WO
WIPO (PCT)
Prior art keywords
storage device
semiconductor storage
write
write mode
special write
Prior art date
Application number
PCT/JP2003/003446
Other languages
English (en)
French (fr)
Inventor
Toshiya Uchida
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 PCT/JP2003/003446 priority Critical patent/WO2004084230A1/ja
Publication of WO2004084230A1 publication Critical patent/WO2004084230A1/ja

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
    • G11C11/4063Auxiliary 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
    • G11C11/4076Timing circuits
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C2207/00Indexing scheme relating to arrangements for writing information into, or reading information out from, a digital store
    • G11C2207/22Control and timing of internal memory operations
    • G11C2207/229Timing of a write operation

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Computer Hardware Design (AREA)
  • Dram (AREA)
  • Static Random-Access Memory (AREA)

Abstract

複数のデータ入力端子を有する半導体記憶装置において、各入力端子に入力される情報に応じて、“0”又は“1”を対応するメモリセルに書き込む第1の書き込み動作と、各入力端子に入力される情報に依らずに、“0”又は“1”を対応するメモリセルに書き込む第2の書き込み動作のどちらを行うかを判定する第1の判定手段と、前記第2の書き込み動作を行う場合に、各入力端子毎に、書き込み動作を行うか否かを判定する第2の判定手段とを有する構成とする。
PCT/JP2003/003446 2003-03-20 2003-03-20 特殊書き込みモードを有する半導体記憶装置 WO2004084230A1 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/JP2003/003446 WO2004084230A1 (ja) 2003-03-20 2003-03-20 特殊書き込みモードを有する半導体記憶装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2003/003446 WO2004084230A1 (ja) 2003-03-20 2003-03-20 特殊書き込みモードを有する半導体記憶装置

Publications (1)

Publication Number Publication Date
WO2004084230A1 true WO2004084230A1 (ja) 2004-09-30

Family

ID=33018175

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2003/003446 WO2004084230A1 (ja) 2003-03-20 2003-03-20 特殊書き込みモードを有する半導体記憶装置

Country Status (1)

Country Link
WO (1) WO2004084230A1 (ja)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05282867A (ja) * 1992-04-02 1993-10-29 Nec Ic Microcomput Syst Ltd 半導体記憶回路
JPH0620474A (ja) * 1992-06-30 1994-01-28 Nec Corp 半導体メモリ回路
JPH0644780A (ja) * 1992-07-23 1994-02-18 Toshiba Corp 半導体記憶装置
JPH0676565A (ja) * 1992-06-30 1994-03-18 Nec Corp 半導体記憶装置
JPH06309878A (ja) * 1993-04-23 1994-11-04 Nec Ic Microcomput Syst Ltd 半導体記憶回路
JPH08249884A (ja) * 1995-03-08 1996-09-27 Sanyo Electric Co Ltd 半導体メモリのライトパービット回路
JP2001135082A (ja) * 1999-11-09 2001-05-18 Fujitsu Ltd 半導体集積回路およびその制御方法
JP2001351377A (ja) * 2000-06-08 2001-12-21 Matsushita Electric Ind Co Ltd 半導体記憶装置
JP2002208284A (ja) * 2000-11-13 2002-07-26 Toshiba Corp 半導体記憶装置

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05282867A (ja) * 1992-04-02 1993-10-29 Nec Ic Microcomput Syst Ltd 半導体記憶回路
JPH0620474A (ja) * 1992-06-30 1994-01-28 Nec Corp 半導体メモリ回路
JPH0676565A (ja) * 1992-06-30 1994-03-18 Nec Corp 半導体記憶装置
JPH0644780A (ja) * 1992-07-23 1994-02-18 Toshiba Corp 半導体記憶装置
JPH06309878A (ja) * 1993-04-23 1994-11-04 Nec Ic Microcomput Syst Ltd 半導体記憶回路
JPH08249884A (ja) * 1995-03-08 1996-09-27 Sanyo Electric Co Ltd 半導体メモリのライトパービット回路
JP2001135082A (ja) * 1999-11-09 2001-05-18 Fujitsu Ltd 半導体集積回路およびその制御方法
JP2001351377A (ja) * 2000-06-08 2001-12-21 Matsushita Electric Ind Co Ltd 半導体記憶装置
JP2002208284A (ja) * 2000-11-13 2002-07-26 Toshiba Corp 半導体記憶装置

Similar Documents

Publication Publication Date Title
EP1324343A3 (en) Non-volatile semiconductor memory device adapted to store a multi-valued data in a single memory cell
EP1152429A3 (en) Data storage device
TW535160B (en) Ferroelectric memory and method of operating same
EP1603332A3 (en) Scan converter
TW200629295A (en) Memory bit line segment isolation
TW200508860A (en) Systems and methods for storing data on computer systems
EP0892408A3 (en) Ferroelectric memory device
EP1271542A3 (en) Method and system for fast data access using a memory array
EP1215678A3 (en) Semiconductor memory, and memory access method
TWI268634B (en) Magnetic random access memory and reading method thereof to decrease the number of write operations and realize a high-speed read operation and lower power consumption
EP1288964A3 (en) Non-volatile semiconductor memory
WO2006064497A3 (en) A method of handling limitations on the order of writing to a non-volatile memory
WO2003025939A3 (en) Dynamic column block selection
EP0840326A3 (en) Nonvolatile semiconductor memory device
TW200516760A (en) Nonvolatile semiconductor memory device
WO2004057865A3 (en) More user friendly time-shift buffer
EP1562199A4 (en) MEMORY OF DATA
AU2003303412A1 (en) Memory controller and method for writing to a memory
WO2002019341A3 (en) Semiconductor memory having dual port cell supporting hidden refresh
WO2003050690A3 (en) Sequential nibble burst ordering for data
SG131754A1 (en) Semiconductor storage device and information apparatus
DE602004013589D1 (de) Digitale eigen-löschung eines durch einen schlüssel kopier-geschützen speichers.
WO2003050813A3 (en) A device and method to read a 2-transistor flash memory cell
WO2004047117A8 (en) 2t2c signal margin test mode using a defined charge and discharge of bl and /bl
JP3158542B2 (ja) 半導体メモリ装置

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A1

Designated state(s): JP KR US

NENP Non-entry into the national phase

Ref country code: JP

WWW Wipo information: withdrawn in national office

Country of ref document: JP