WO2006088723A3 - Direct file data programming and deletion in flash memories - Google Patents

Direct file data programming and deletion in flash memories Download PDF

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Publication number
WO2006088723A3
WO2006088723A3 PCT/US2006/004585 US2006004585W WO2006088723A3 WO 2006088723 A3 WO2006088723 A3 WO 2006088723A3 US 2006004585 W US2006004585 W US 2006004585W WO 2006088723 A3 WO2006088723 A3 WO 2006088723A3
Authority
WO
WIPO (PCT)
Prior art keywords
memory
host
deletion
file
file data
Prior art date
Application number
PCT/US2006/004585
Other languages
French (fr)
Other versions
WO2006088723A2 (en
Inventor
Alan Welsh Sinclair
Peter John Smith
Original Assignee
Sandisk Corp
Alan Welsh Sinclair
Peter John Smith
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 Sandisk Corp, Alan Welsh Sinclair, Peter John Smith filed Critical Sandisk Corp
Priority to CN2006800089894A priority Critical patent/CN101147133B/en
Priority to EP06734659A priority patent/EP1849079A2/en
Priority to JP2007556210A priority patent/JP2008530709A/en
Publication of WO2006088723A2 publication Critical patent/WO2006088723A2/en
Publication of WO2006088723A3 publication Critical patent/WO2006088723A3/en
Priority to IL185175A priority patent/IL185175A0/en
Priority to KR1020077018765A priority patent/KR101344688B1/en

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/10—Program control for peripheral devices
    • G06F13/12—Program control for peripheral devices using hardware independent of the central processor, e.g. channel or peripheral processor
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
    • G06F3/0601—Interfaces specially adapted for storage systems
    • G06F3/0602—Interfaces specially adapted for storage systems specifically adapted to achieve a particular effect
    • G06F3/0608—Saving storage space on storage systems
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
    • G06F3/0601—Interfaces specially adapted for storage systems
    • G06F3/0628—Interfaces specially adapted for storage systems making use of a particular technique
    • G06F3/0646—Horizontal data movement in storage systems, i.e. moving data in between storage devices or systems
    • G06F3/0652—Erasing, e.g. deleting, data cleaning, moving of data to a wastebasket
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
    • G06F3/0601—Interfaces specially adapted for storage systems
    • G06F3/0668—Interfaces specially adapted for storage systems adopting a particular infrastructure
    • G06F3/0671—In-line storage system
    • G06F3/0673—Single storage device
    • G06F3/0679—Non-volatile semiconductor memory device, e.g. flash memory, one time programmable memory [OTP]
    • 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
    • G06F2212/20—Employing a main memory using a specific memory technology
    • G06F2212/202—Non-volatile memory
    • G06F2212/2022—Flash memory
    • 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
    • G06F2212/7205—Cleaning, compaction, garbage collection, erase control
    • 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
    • G11C16/14—Circuits for erasing electrically, e.g. erase voltage switching circuits
    • G11C16/16—Circuits for erasing electrically, e.g. erase voltage switching circuits for erasing blocks, e.g. arrays, words, groups

Abstract

Host system data files are written directly to a large erase block flash memory system with a unique identification of each file and offsets of data within the file but without the use of any intermediate logical addresses or a virtual address space for the memory. Directory information of where the files are stored in the memory is maintained within the memory system by its controller, rather than by the host. The file based interface between the host and memory systems allows the memory system controller to utilize the data storage blocks within the memory with increased efficiency.
PCT/US2006/004585 2005-02-16 2006-02-08 Direct file data programming and deletion in flash memories WO2006088723A2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CN2006800089894A CN101147133B (en) 2005-02-16 2006-02-08 Method for reprogramming non-volatile memory system and memories
EP06734659A EP1849079A2 (en) 2005-02-16 2006-02-08 Direct file data programming and deletion in flash memories
JP2007556210A JP2008530709A (en) 2005-02-16 2006-02-08 Direct file data programming and deletion in flash memory
IL185175A IL185175A0 (en) 2005-02-16 2007-08-09 Direct file data programming and deletion in flash memories
KR1020077018765A KR101344688B1 (en) 2005-02-16 2007-08-16 Direct file data programming and deletion in flash memories

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/060,174 2005-02-16
US11/060,174 US20060184718A1 (en) 2005-02-16 2005-02-16 Direct file data programming and deletion in flash memories

Publications (2)

Publication Number Publication Date
WO2006088723A2 WO2006088723A2 (en) 2006-08-24
WO2006088723A3 true WO2006088723A3 (en) 2007-01-11

Family

ID=36560759

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2006/004585 WO2006088723A2 (en) 2005-02-16 2006-02-08 Direct file data programming and deletion in flash memories

Country Status (8)

Country Link
US (3) US20060184718A1 (en)
EP (1) EP1849079A2 (en)
JP (1) JP2008530709A (en)
KR (1) KR101344688B1 (en)
CN (1) CN101147133B (en)
IL (1) IL185175A0 (en)
TW (1) TW200639632A (en)
WO (1) WO2006088723A2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
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US9104315B2 (en) 2005-02-04 2015-08-11 Sandisk Technologies Inc. Systems and methods for a mass data storage system having a file-based interface to a host and a non-file-based interface to secondary storage

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US20060184723A1 (en) 2006-08-17
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CN101147133B (en) 2012-05-23
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US20060184718A1 (en) 2006-08-17
KR101344688B1 (en) 2013-12-26
WO2006088723A2 (en) 2006-08-24
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US20100223423A1 (en) 2010-09-02
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