TW466487B - Ferroelectric memory device retaining ROM data - Google Patents

Ferroelectric memory device retaining ROM data Download PDF

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Publication number
TW466487B
TW466487B TW089102119A TW89102119A TW466487B TW 466487 B TW466487 B TW 466487B TW 089102119 A TW089102119 A TW 089102119A TW 89102119 A TW89102119 A TW 89102119A TW 466487 B TW466487 B TW 466487B
Authority
TW
Taiwan
Prior art keywords
ferroelectric
data
capacitor
bit line
ferroelectric capacitor
Prior art date
Application number
TW089102119A
Other languages
English (en)
Chinese (zh)
Inventor
Tatsuo Kato
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
Application granted granted Critical
Publication of TW466487B publication Critical patent/TW466487B/zh

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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
    • G11C11/22Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using ferroelectric elements
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C14/00Digital stores characterised by arrangements of cells having volatile and non-volatile storage properties for back-up when the power is down

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Dram (AREA)
  • Semiconductor Memories (AREA)
TW089102119A 1999-03-17 2000-02-09 Ferroelectric memory device retaining ROM data TW466487B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11072639A JP2000268581A (ja) 1999-03-17 1999-03-17 Romデータを保持する強誘電体メモリ装置

Publications (1)

Publication Number Publication Date
TW466487B true TW466487B (en) 2001-12-01

Family

ID=13495169

Family Applications (1)

Application Number Title Priority Date Filing Date
TW089102119A TW466487B (en) 1999-03-17 2000-02-09 Ferroelectric memory device retaining ROM data

Country Status (6)

Country Link
US (1) US6229730B1 (enExample)
EP (1) EP1037213B1 (enExample)
JP (1) JP2000268581A (enExample)
KR (1) KR100534220B1 (enExample)
DE (1) DE60021939T2 (enExample)
TW (1) TW466487B (enExample)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3971536B2 (ja) * 1999-09-14 2007-09-05 松下電器産業株式会社 強誘電体メモリ装置
US20030025649A1 (en) * 2000-09-08 2003-02-06 Wynne Willson Peter David Image projection apparatus
JP4233205B2 (ja) * 2000-09-28 2009-03-04 シャープ株式会社 リセット装置、半導体集積回路装置および半導体記憶装置
DE10058965B4 (de) * 2000-11-28 2007-10-11 Infineon Technologies Ag RAM-Speicher
JP2003233984A (ja) * 2001-12-04 2003-08-22 Sanyo Electric Co Ltd メモリ装置
JP2003263886A (ja) * 2002-03-08 2003-09-19 Fujitsu Ltd ビット線容量を最適化できる強誘電体メモリ
US6804140B2 (en) * 2002-04-17 2004-10-12 Macronix International Co., Ltd. Capacitance sensing method of reading a ferroelectric RAM
US6590798B1 (en) * 2002-05-08 2003-07-08 Texas Instruments Incorporated Apparatus and methods for imprint reduction for ferroelectric memory cell
SG11201901168UA (en) 2016-08-31 2019-03-28 Micron Technology Inc Apparatuses and methods including ferroelectric memory and for operating ferroelectric memory
EP3507804A4 (en) 2016-08-31 2020-07-15 Micron Technology, INC. FERROELECTRIC MEMORY CELLS
JP6737953B2 (ja) 2016-08-31 2020-08-12 マイクロン テクノロジー,インク. 強誘電体メモリを含む装置および強誘電体メモリにアクセスするための方法
CN109690680B (zh) 2016-08-31 2023-07-21 美光科技公司 包含二晶体管一电容器的存储器及用于存取所述存储器的设备与方法
US10867675B2 (en) 2017-07-13 2020-12-15 Micron Technology, Inc. Apparatuses and methods for memory including ferroelectric memory cells and dielectric memory cells

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5086412A (en) * 1990-11-21 1992-02-04 National Semiconductor Corporation Sense amplifier and method for ferroelectric memory
TW378323B (en) * 1994-09-22 2000-01-01 Matsushita Electric Industrial Co Ltd Ferroelectric memory device
EP0749127B1 (en) 1995-06-14 2001-09-26 Motorola, Inc. Data storage element and method for restoring data
TW322578B (enExample) * 1996-03-18 1997-12-11 Matsushita Electron Co Ltd
US5969979A (en) * 1996-03-25 1999-10-19 Matsushita Electronics Corporation Ferroelectric memory device
US5818771A (en) * 1996-09-30 1998-10-06 Hitachi, Ltd. Semiconductor memory device
JP3933736B2 (ja) * 1996-12-09 2007-06-20 ローム株式会社 強誘電体コンデンサを備えた半導体装置
JPH10270654A (ja) * 1997-03-27 1998-10-09 Toshiba Corp 半導体記憶装置
JP3727157B2 (ja) * 1997-11-19 2005-12-14 Necエレクトロニクス株式会社 半導体記憶装置及びその試験方法

Also Published As

Publication number Publication date
KR20000062547A (ko) 2000-10-25
DE60021939D1 (de) 2005-09-22
DE60021939T2 (de) 2006-03-30
EP1037213A3 (en) 2001-01-17
EP1037213A2 (en) 2000-09-20
KR100534220B1 (ko) 2005-12-08
US6229730B1 (en) 2001-05-08
JP2000268581A (ja) 2000-09-29
EP1037213B1 (en) 2005-08-17

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MM4A Annulment or lapse of patent due to non-payment of fees