KR100944996B1 - 비휘발성 메모리에 부분적 블럭 데이터 프로그래밍 및판독 작동 - Google Patents
비휘발성 메모리에 부분적 블럭 데이터 프로그래밍 및판독 작동 Download PDFInfo
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- KR100944996B1 KR100944996B1 KR1020037009551A KR20037009551A KR100944996B1 KR 100944996 B1 KR100944996 B1 KR 100944996B1 KR 1020037009551 A KR1020037009551 A KR 1020037009551A KR 20037009551 A KR20037009551 A KR 20037009551A KR 100944996 B1 KR100944996 B1 KR 100944996B1
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C16/00—Erasable programmable read-only memories
- G11C16/02—Erasable programmable read-only memories electrically programmable
- G11C16/06—Auxiliary circuits, e.g. for writing into memory
- G11C16/10—Programming or data input circuits
- G11C16/102—External programming circuits, e.g. EPROM programmers; In-circuit programming or reprogramming; EPROM emulators
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F12/00—Accessing, addressing or allocating within memory systems or architectures
- G06F12/02—Addressing or allocation; Relocation
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F12/00—Accessing, addressing or allocating within memory systems or architectures
- G06F12/02—Addressing or allocation; Relocation
- G06F12/0223—User address space allocation, e.g. contiguous or non contiguous base addressing
- G06F12/023—Free address space management
- G06F12/0238—Memory management in non-volatile memory, e.g. resistive RAM or ferroelectric memory
- G06F12/0246—Memory management in non-volatile memory, e.g. resistive RAM or ferroelectric memory in block erasable memory, e.g. flash memory
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C16/00—Erasable programmable read-only memories
- G11C16/02—Erasable programmable read-only memories electrically programmable
- G11C16/06—Auxiliary circuits, e.g. for writing into memory
- G11C16/10—Programming or data input circuits
- G11C16/102—External programming circuits, e.g. EPROM programmers; In-circuit programming or reprogramming; EPROM emulators
- G11C16/105—Circuits or methods for updating contents of nonvolatile memory, especially with 'security' features to ensure reliable replacement, i.e. preventing that old data is lost before new data is reliably written
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2212/00—Indexing scheme relating to accessing, addressing or allocation within memory systems or architectures
- G06F2212/10—Providing a specific technical effect
- G06F2212/1016—Performance improvement
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2212/00—Indexing scheme relating to accessing, addressing or allocation within memory systems or architectures
- G06F2212/10—Providing a specific technical effect
- G06F2212/1032—Reliability improvement, data loss prevention, degraded operation etc
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2212/00—Indexing scheme relating to accessing, addressing or allocation within memory systems or architectures
- G06F2212/72—Details relating to flash memory management
- G06F2212/7202—Allocation control and policies
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2212/00—Indexing scheme relating to accessing, addressing or allocation within memory systems or architectures
- G06F2212/72—Details relating to flash memory management
- G06F2212/7208—Multiple device management, e.g. distributing data over multiple flash devices
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2212/00—Indexing scheme relating to accessing, addressing or allocation within memory systems or architectures
- G06F2212/72—Details relating to flash memory management
- G06F2212/7209—Validity control, e.g. using flags, time stamps or sequence numbers
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C2216/00—Indexing scheme relating to G11C16/00 and subgroups, for features not directly covered by these groups
- G11C2216/12—Reading and writing aspects of erasable programmable read-only memories
- G11C2216/16—Flash programming of all the cells in an array, sector or block simultaneously
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- Read Only Memory (AREA)
- Techniques For Improving Reliability Of Storages (AREA)
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- Non-Volatile Memory (AREA)
Abstract
Description
Claims (22)
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- 개별 서브-어레이가, 함께 삭제가능한 메모리 저장 엘리먼트의 최소 그룹을 포함하는, 저장 엘리먼트의 다수의 비중첩 블럭으로 분할되며, 개별 블럭이, 함께 프로그래밍가능한 메모리 저장 엘리먼트의 최소 그룹인, 저장 엘리먼트의 다수의 페이지로 분할된, 적어도 2개의 서브-어레이로 구성된 메모리 저장 엘리먼트의 어레이를 구비하는 비휘발성 메모리 시스템을 작동시키는 방법에 있어서,상기 적어도 두 개의 서브-어레이의 개개의 서브-어레이로부터 적어도 하나의 블럭을 서로 링크시켜, 구성 블럭들이 함께 삭제되는 메타블럭을 형성하는 단계; 및상기 메타블럭 구성 블럭들 중 임의의 블럭 내의 모든 페이지보다 적은, 상기 임의의 블럭 내의 최초 데이터 페이지들을 갱신하는 단계로서, 갱신되는 데이터가 저장되는 서브-어레이에 관계없이, 상기 적어도 두 개의 서브-어레이 중 지정된 서브-어레이에 있는 적어도 하나의 다른 블럭 내의 페이지들로 교체 데이터를 프로그래밍함으로써 수행되는 갱신 단계;를 포함하는 것을 특징으로 하는 방법.
- 제 20 항에 있어서, 최초 및 교체 데이터를 저장하는 단계는:최초 및 교체 데이터를 동일한 논리적 어드레스에 의해 메모리 시스템에 식별시키는 단계, 및최초 및 교체 데이터가 메모리의 각각의 페이지에 프로그래밍되었던 상대적인 시간의 트랙을 유지시킴으로써 교체 데이터와 최초 데이터를 구별하는 단계를 포함하는 것을 특징으로 하는 방법.
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Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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US09/766,436 | 2001-01-19 | ||
US09/766,436 US6763424B2 (en) | 2001-01-19 | 2001-01-19 | Partial block data programming and reading operations in a non-volatile memory |
PCT/US2002/000366 WO2002058074A2 (en) | 2001-01-19 | 2002-01-07 | Partial block data programming and reading operations in a non-volatile memory |
Related Child Applications (1)
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KR1020087028861A Division KR101076830B1 (ko) | 2001-01-19 | 2002-01-07 | 비휘발성 메모리에 부분적 블럭 데이터 프로그래밍 및 판독작동 |
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KR20030070119A KR20030070119A (ko) | 2003-08-27 |
KR100944996B1 true KR100944996B1 (ko) | 2010-03-05 |
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KR1020037009551A KR100944996B1 (ko) | 2001-01-19 | 2002-01-07 | 비휘발성 메모리에 부분적 블럭 데이터 프로그래밍 및판독 작동 |
KR1020087028861A KR101076830B1 (ko) | 2001-01-19 | 2002-01-07 | 비휘발성 메모리에 부분적 블럭 데이터 프로그래밍 및 판독작동 |
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KR1020087028861A KR101076830B1 (ko) | 2001-01-19 | 2002-01-07 | 비휘발성 메모리에 부분적 블럭 데이터 프로그래밍 및 판독작동 |
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US (6) | US6763424B2 (ko) |
EP (4) | EP1645964A3 (ko) |
JP (3) | JP4155824B2 (ko) |
KR (2) | KR100944996B1 (ko) |
CN (3) | CN100485641C (ko) |
AT (1) | ATE327556T1 (ko) |
AU (1) | AU2002236723A1 (ko) |
DE (1) | DE60211653T2 (ko) |
ES (1) | ES2262782T3 (ko) |
TW (1) | TWI221217B (ko) |
WO (1) | WO2002058074A2 (ko) |
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