GB2356952B - Semiconductor memory device - Google Patents

Semiconductor memory device

Info

Publication number
GB2356952B
GB2356952B GB0104983A GB0104983A GB2356952B GB 2356952 B GB2356952 B GB 2356952B GB 0104983 A GB0104983 A GB 0104983A GB 0104983 A GB0104983 A GB 0104983A GB 2356952 B GB2356952 B GB 2356952B
Authority
GB
United Kingdom
Prior art keywords
memory device
semiconductor memory
semiconductor
memory
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
Application number
GB0104983A
Other versions
GB0104983D0 (en
GB2356952A (en
Inventor
Yoshihiro Takemae
Masao Taguchi
Masao Nakano
Hirohiko Mochizuki
Hiroyoshi Tomita
Yasurou Matsuzaki
Tadao Aikawa
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 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
Priority claimed from JP14231097A external-priority patent/JP4154006B2/en
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Publication of GB0104983D0 publication Critical patent/GB0104983D0/en
Publication of GB2356952A publication Critical patent/GB2356952A/en
Application granted granted Critical
Publication of GB2356952B publication Critical patent/GB2356952B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • G11C11/4063—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
    • G11C11/409—Read-write [R-W] circuits 
    • G11C11/4096—Input/output [I/O] data management or control circuits, e.g. reading or writing circuits, I/O drivers or bit-line switches 
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C7/00—Arrangements for writing information into, or reading information out from, a digital store
    • G11C7/10—Input/output [I/O] data interface arrangements, e.g. I/O data control circuits, I/O data buffers
    • G11C7/1048—Data bus control circuits, e.g. precharging, presetting, equalising
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C7/00—Arrangements for writing information into, or reading information out from, a digital store
    • G11C7/12—Bit line control circuits, e.g. drivers, boosters, pull-up circuits, pull-down circuits, precharging circuits, equalising circuits, for bit lines

Landscapes

  • Engineering & Computer Science (AREA)
  • Databases & Information Systems (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Computer Hardware Design (AREA)
  • Dram (AREA)
GB0104983A 1996-12-25 1997-09-05 Semiconductor memory device Expired - Fee Related GB2356952B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP34603296 1996-12-25
JP14231097A JP4154006B2 (en) 1996-12-25 1997-05-30 Semiconductor memory device
GB9718939A GB2320778B (en) 1996-12-25 1997-09-05 Semiconductor memory device

Publications (3)

Publication Number Publication Date
GB0104983D0 GB0104983D0 (en) 2001-04-18
GB2356952A GB2356952A (en) 2001-06-06
GB2356952B true GB2356952B (en) 2001-07-25

Family

ID=27269007

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0104983A Expired - Fee Related GB2356952B (en) 1996-12-25 1997-09-05 Semiconductor memory device

Country Status (1)

Country Link
GB (1) GB2356952B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7286425B2 (en) * 2005-10-31 2007-10-23 International Business Machines Corporation System and method for capacitive mis-match bit-line sensing

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993007565A1 (en) * 1991-10-01 1993-04-15 Motorola, Inc. Memory write protection method and apparatus
US5406516A (en) * 1992-01-17 1995-04-11 Sharp Kabushiki Kaisha Semiconductor memory device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993007565A1 (en) * 1991-10-01 1993-04-15 Motorola, Inc. Memory write protection method and apparatus
US5406516A (en) * 1992-01-17 1995-04-11 Sharp Kabushiki Kaisha Semiconductor memory device

Also Published As

Publication number Publication date
GB0104983D0 (en) 2001-04-18
GB2356952A (en) 2001-06-06

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20100905