KR102352387B1 - 플래시 메모리에서의 프로그래밍 동안 플로팅 게이트와 플로팅 게이트 간의 커플링 효과들을 최소화시키기 위한 시스템 및 방법 - Google Patents

플래시 메모리에서의 프로그래밍 동안 플로팅 게이트와 플로팅 게이트 간의 커플링 효과들을 최소화시키기 위한 시스템 및 방법 Download PDF

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KR102352387B1
KR102352387B1 KR1020207015303A KR20207015303A KR102352387B1 KR 102352387 B1 KR102352387 B1 KR 102352387B1 KR 1020207015303 A KR1020207015303 A KR 1020207015303A KR 20207015303 A KR20207015303 A KR 20207015303A KR 102352387 B1 KR102352387 B1 KR 102352387B1
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memory cells
volatile memory
programming
rows
programmed
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KR20200077566A (ko
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비핀 티와리
난 도
휴 반 트란
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실리콘 스토리지 테크놀로지 인크
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    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C16/00Erasable programmable read-only memories
    • G11C16/02Erasable programmable read-only memories electrically programmable
    • G11C16/06Auxiliary circuits, e.g. for writing into memory
    • G11C16/10Programming or data input circuits
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C11/00Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/56Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using storage elements with more than two stable states represented by steps, e.g. of voltage, current, phase, frequency
    • G11C11/5621Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using storage elements with more than two stable states represented by steps, e.g. of voltage, current, phase, frequency using charge storage in a floating gate
    • G11C11/5628Programming or writing circuits; Data input circuits
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C16/00Erasable programmable read-only memories
    • G11C16/02Erasable programmable read-only memories electrically programmable
    • G11C16/04Erasable programmable read-only memories electrically programmable using variable threshold transistors, e.g. FAMOS
    • G11C16/0408Erasable programmable read-only memories electrically programmable using variable threshold transistors, e.g. FAMOS comprising cells containing floating gate transistors
    • G11C16/0425Erasable programmable read-only memories electrically programmable using variable threshold transistors, e.g. FAMOS comprising cells containing floating gate transistors comprising cells containing a merged floating gate and select transistor
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C16/00Erasable programmable read-only memories
    • G11C16/02Erasable programmable read-only memories electrically programmable
    • G11C16/04Erasable programmable read-only memories electrically programmable using variable threshold transistors, e.g. FAMOS
    • G11C16/0483Erasable programmable read-only memories electrically programmable using variable threshold transistors, e.g. FAMOS comprising cells having several storage transistors connected in series
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C16/00Erasable programmable read-only memories
    • G11C16/02Erasable programmable read-only memories electrically programmable
    • G11C16/06Auxiliary circuits, e.g. for writing into memory
    • G11C16/34Determination of programming status, e.g. threshold voltage, overprogramming or underprogramming, retention
    • G11C16/3418Disturbance prevention or evaluation; Refreshing of disturbed memory data
    • G11C16/3427Circuits or methods to prevent or reduce disturbance of the state of a memory cell when neighbouring cells are read or written
    • H01L29/42328
    • H01L29/7885
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10DINORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D30/00Field-effect transistors [FET]
    • H10D30/60Insulated-gate field-effect transistors [IGFET]
    • H10D30/68Floating-gate IGFETs
    • H10D30/681Floating-gate IGFETs having only two programming levels
    • H10D30/684Floating-gate IGFETs having only two programming levels programmed by hot carrier injection
    • H10D30/685Floating-gate IGFETs having only two programming levels programmed by hot carrier injection from the channel
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10DINORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D30/00Field-effect transistors [FET]
    • H10D30/60Insulated-gate field-effect transistors [IGFET]
    • H10D30/68Floating-gate IGFETs
    • H10D30/6891Floating-gate IGFETs characterised by the shapes, relative sizes or dispositions of the floating gate electrode
    • H10D30/6892Floating-gate IGFETs characterised by the shapes, relative sizes or dispositions of the floating gate electrode having at least one additional gate other than the floating gate and the control gate, e.g. program gate, erase gate or select gate
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C2211/00Indexing scheme relating to digital stores characterized by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C2211/56Indexing scheme relating to G11C11/56 and sub-groups for features not covered by these groups
    • G11C2211/564Miscellaneous aspects
    • G11C2211/5648Multilevel memory programming, reading or erasing operations wherein the order or sequence of the operations is relevant

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Computer Hardware Design (AREA)
  • Read Only Memory (AREA)
  • Semiconductor Memories (AREA)
  • Non-Volatile Memory (AREA)
KR1020207015303A 2017-12-20 2018-11-13 플래시 메모리에서의 프로그래밍 동안 플로팅 게이트와 플로팅 게이트 간의 커플링 효과들을 최소화시키기 위한 시스템 및 방법 Active KR102352387B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US15/849,268 US10600484B2 (en) 2017-12-20 2017-12-20 System and method for minimizing floating gate to floating gate coupling effects during programming in flash memory
US15/849,268 2017-12-20
PCT/US2018/060850 WO2019125650A1 (en) 2017-12-20 2018-11-13 System and method for minimizing floating gate to floating gate coupling effects during programming in flash memory

Publications (2)

Publication Number Publication Date
KR20200077566A KR20200077566A (ko) 2020-06-30
KR102352387B1 true KR102352387B1 (ko) 2022-01-17

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US (2) US10600484B2 (https=)
EP (1) EP3729276A4 (https=)
JP (1) JP2021508905A (https=)
KR (1) KR102352387B1 (https=)
CN (1) CN111492352A (https=)
TW (1) TWI687928B (https=)
WO (1) WO2019125650A1 (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102703487B1 (ko) * 2018-08-03 2024-09-06 에스케이하이닉스 주식회사 데이터 저장 장치 및 그것의 동작 방법
US10998325B2 (en) * 2018-12-03 2021-05-04 Silicon Storage Technology, Inc. Memory cell with floating gate, coupling gate and erase gate, and method of making same
CN114335186B (zh) 2020-09-30 2025-02-07 硅存储技术股份有限公司 具有设置在字线栅上方的擦除栅的分裂栅非易失性存储器单元及其制备方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070253249A1 (en) 2006-04-26 2007-11-01 Sang-Gu Kang Multi-bit nonvolatile memory device and related programming method
KR100816121B1 (ko) * 2006-12-28 2008-03-21 주식회사 하이닉스반도체 불휘발성 메모리장치의 멀티비트 프로그램 방법
US20140211565A1 (en) 2013-01-29 2014-07-31 Jung-ho Song Methods of programming multi-level cell nonvolatile memory devices and devices so operating

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5029130A (en) 1990-01-22 1991-07-02 Silicon Storage Technology, Inc. Single transistor non-valatile electrically alterable semiconductor memory device
US5619453A (en) * 1995-07-28 1997-04-08 Micron Quantum Devices, Inc. Memory system having programmable flow control register
JP3883687B2 (ja) * 1998-02-16 2007-02-21 株式会社ルネサステクノロジ 半導体装置、メモリカード及びデータ処理システム
US6400624B1 (en) * 2001-02-26 2002-06-04 Advanced Micro Devices, Inc. Configure registers and loads to tailor a multi-level cell flash design
US6781877B2 (en) * 2002-09-06 2004-08-24 Sandisk Corporation Techniques for reducing effects of coupling between storage elements of adjacent rows of memory cells
US7630237B2 (en) * 2003-02-06 2009-12-08 Sandisk Corporation System and method for programming cells in non-volatile integrated memory devices
KR20060067955A (ko) * 2003-08-13 2006-06-20 코닌클리즈케 필립스 일렉트로닉스 엔.브이. 비휘발성 전하 트래핑 메모리 장치의 어레이의 작동 방법및 전기적 장치
US7046549B2 (en) * 2003-12-31 2006-05-16 Solid State System Co., Ltd. Nonvolatile memory structure
US7315056B2 (en) 2004-06-07 2008-01-01 Silicon Storage Technology, Inc. Semiconductor memory array of floating gate memory cells with program/erase and select gates
US7120051B2 (en) 2004-12-14 2006-10-10 Sandisk Corporation Pipelined programming of non-volatile memories using early data
US7802064B2 (en) 2006-03-31 2010-09-21 Mosaid Technologies Incorporated Flash memory system control scheme
JP4435200B2 (ja) * 2007-04-03 2010-03-17 株式会社東芝 半導体記憶装置のデータ書き込み方法
US7898863B2 (en) * 2007-08-01 2011-03-01 Micron Technology, Inc. Method, apparatus, and system for improved read operation in memory
US20090039410A1 (en) 2007-08-06 2009-02-12 Xian Liu Split Gate Non-Volatile Flash Memory Cell Having A Floating Gate, Control Gate, Select Gate And An Erase Gate With An Overhang Over The Floating Gate, Array And Method Of Manufacturing
US8300478B2 (en) * 2007-09-19 2012-10-30 Apple Inc. Reducing distortion using joint storage
US8174905B2 (en) * 2007-09-19 2012-05-08 Anobit Technologies Ltd. Programming orders for reducing distortion in arrays of multi-level analog memory cells
KR101438666B1 (ko) * 2008-03-25 2014-11-03 삼성전자주식회사 전하의 측면 이동을 줄일 수 있는 메모리 장치의 작동 방법
US8539311B2 (en) * 2010-07-01 2013-09-17 Densbits Technologies Ltd. System and method for data recovery in multi-level cell memories
EP2418584A1 (en) 2010-08-13 2012-02-15 Thomson Licensing Method and apparatus for storing at least two data streams into an array of memories, or for reading at least two data streams from an array of memories
US8395936B2 (en) * 2011-05-09 2013-03-12 Sandisk Technologies Inc. Using channel-to-channel coupling to compensate floating gate-to-floating gate coupling in programming of non-volatile memory
KR101775660B1 (ko) 2011-09-29 2017-09-07 삼성전자주식회사 워드 라인 전압의 변화없이 상이한 문턱 전압들을 갖는 메모리 셀들을 읽는 방법 및 그것을 이용한 불 휘발성 메모리 장치
KR101927212B1 (ko) * 2012-05-09 2019-03-07 삼성전자주식회사 비휘발성 메모리 장치의 프로그래밍 방법
KR102234592B1 (ko) * 2014-07-29 2021-04-05 삼성전자주식회사 불휘발성 메모리, 데이터 저장 장치, 및 데이터 저장 장치의 동작 방법
US10134475B2 (en) * 2015-03-31 2018-11-20 Silicon Storage Technology, Inc. Method and apparatus for inhibiting the programming of unselected bitlines in a flash memory system
US9633719B2 (en) * 2015-05-29 2017-04-25 Micron Technology, Inc. Programming memory cells to be programmed to different levels to an intermediate level from a lowest level
US9865352B2 (en) * 2015-10-28 2018-01-09 Sandisk Technologies, Llc Program sequencing

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070253249A1 (en) 2006-04-26 2007-11-01 Sang-Gu Kang Multi-bit nonvolatile memory device and related programming method
KR100816121B1 (ko) * 2006-12-28 2008-03-21 주식회사 하이닉스반도체 불휘발성 메모리장치의 멀티비트 프로그램 방법
US20140211565A1 (en) 2013-01-29 2014-07-31 Jung-ho Song Methods of programming multi-level cell nonvolatile memory devices and devices so operating

Also Published As

Publication number Publication date
CN111492352A (zh) 2020-08-04
US20190189214A1 (en) 2019-06-20
JP2021508905A (ja) 2021-03-11
US20200176060A1 (en) 2020-06-04
TWI687928B (zh) 2020-03-11
EP3729276A1 (en) 2020-10-28
US10600484B2 (en) 2020-03-24
TW201939505A (zh) 2019-10-01
EP3729276A4 (en) 2021-08-25
WO2019125650A1 (en) 2019-06-27
KR20200077566A (ko) 2020-06-30
US10699787B2 (en) 2020-06-30

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