JP2013089161A - Ram記憶装置 - Google Patents
Ram記憶装置 Download PDFInfo
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- JP2013089161A JP2013089161A JP2011231550A JP2011231550A JP2013089161A JP 2013089161 A JP2013089161 A JP 2013089161A JP 2011231550 A JP2011231550 A JP 2011231550A JP 2011231550 A JP2011231550 A JP 2011231550A JP 2013089161 A JP2013089161 A JP 2013089161A
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- 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
- G06F13/14—Handling requests for interconnection or transfer
- G06F13/16—Handling requests for interconnection or transfer for access to memory bus
-
- 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
- G06F13/14—Handling requests for interconnection or transfer
- G06F13/16—Handling requests for interconnection or transfer for access to memory bus
- G06F13/1605—Handling requests for interconnection or transfer for access to memory bus based on arbitration
- G06F13/1642—Handling requests for interconnection or transfer for access to memory bus based on arbitration with request queuing
-
- 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
- G06F12/06—Addressing a physical block of locations, e.g. base addressing, module addressing, memory dedication
- G06F12/0615—Address space extension
- G06F12/0623—Address space extension for memory modules
-
- 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
- G06F12/08—Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
- G06F12/0802—Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches
- G06F12/0806—Multiuser, multiprocessor or multiprocessing cache systems
- G06F12/0815—Cache consistency protocols
- G06F12/0831—Cache consistency protocols using a bus scheme, e.g. with bus monitoring or watching means
-
- 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
- G06F13/14—Handling requests for interconnection or transfer
- G06F13/16—Handling requests for interconnection or transfer for access to memory bus
- G06F13/1668—Details of memory controller
- G06F13/1673—Details of memory controller using buffers
-
- 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
-
- 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
- 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
- G06F3/0683—Plurality of storage devices
- G06F3/0688—Non-volatile semiconductor memory arrays
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Techniques For Improving Reliability Of Storages (AREA)
- Memory System (AREA)
- Debugging And Monitoring (AREA)
Abstract
【解決手段】
制御信号に応じてクロック信号による1のサイクル内において2つのインターフェースのうちの一方に到来したアクセスをRAMに供給する選択部と、当該制御信号に応じて当該インターフェースのうちの他方に到来したアクセスを少なくとも当該1のサイクルに続く次のサイクルまで記憶する記憶部と、を含み、当該選択部は、当該次のサイクル以降において当該記憶部に記憶されているアクセスを当該RAMに供給する。
【選択図】図1
Description
11 シングルポートRAM
12 CPU側IF
13 RAM制御信号記憶部
14 マルチプレクサ(選択部)
15 フラッシュ側IF
20 ホストインターフェース
30 フラッシュインターフェース
40 CPU
50 ECC
60 内部バス
100 メモリ制御装置(フラッシュコントローラ)
200 ホスト装置
300 半導体記憶装置(フラッシュメモリ)
Claims (5)
- 書込み又は読出しの制御信号と情報データとを含むアクセスを各々が中継する2つのインターフェースと、前記インターフェースを経た前記アクセスに応じてクロック信号に同期して前記情報データの書込み又は読出しを行なうRAMと、を含むRAM記憶装置であって、
前記制御信号に応じて、前記クロック信号による1のサイクル内において前記インターフェースの一方に到来した前記アクセスを前記RAMに供給する選択供給動作をなす選択部と、
前記制御信号に応じて、前記インターフェースの他方に到来したアクセスを少なくとも前記1のサイクルに続く次のサイクルまで記憶する記憶動作をなす記憶部と、を含み、
前記選択部は、前記次のサイクル以降において前記記憶部に記憶されているアクセスを前記RAMに供給することを特徴とするRAM記憶装置。 - 前記制御信号は、選択指令信号と待機指令信号とを含み、
前記選択部は前記選択指令信号に応じて前記選択供給動作をなし、前記記憶部は前記待機指令信号に応じて前記記憶動作をなすことを特徴とする請求項1に記載のRAM記憶装置。 - 前記RAMは、シングルポートRAMであることを特徴とする請求項1又は2に記載のRAM記憶装置。
- 前記情報データは、フラッシュメモリのページアドレスと前記フラッシュメモリの記憶データについてのエラー情報とを含むことを特徴とする請求項1乃至3のいずれか1つに記載のRAM記憶装置。
- 半導体記憶装置を制御するメモリ制御装置に含まれ、
前記アクセスは、前記半導体記憶装置の制御に関連して前記メモリ制御装置から供給されたものであることを特徴とする請求項1乃至4のいずれか1つに記載のRAM記憶装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011231550A JP5801158B2 (ja) | 2011-10-21 | 2011-10-21 | Ram記憶装置 |
US13/653,141 US9256556B2 (en) | 2011-10-21 | 2012-10-16 | RAM memory device capable of simultaneously accepting multiple accesses |
CN201210399530.9A CN103064802B (zh) | 2011-10-21 | 2012-10-19 | Ram存储装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011231550A JP5801158B2 (ja) | 2011-10-21 | 2011-10-21 | Ram記憶装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2013089161A true JP2013089161A (ja) | 2013-05-13 |
JP5801158B2 JP5801158B2 (ja) | 2015-10-28 |
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Application Number | Title | Priority Date | Filing Date |
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JP2011231550A Active JP5801158B2 (ja) | 2011-10-21 | 2011-10-21 | Ram記憶装置 |
Country Status (3)
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US (1) | US9256556B2 (ja) |
JP (1) | JP5801158B2 (ja) |
CN (1) | CN103064802B (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20150103593A1 (en) * | 2013-10-14 | 2015-04-16 | Skymedi Corporation | Method of Writing Data in Non-Volatile Memory and Non-Volatile Storage Device Using the Same |
US9612904B2 (en) * | 2015-02-02 | 2017-04-04 | Sandisk Technologies Llc | Memory system and method for securing volatile memory during sleep mode using the same ECC module used to secure non-volatile memory during active mode |
CN104716954A (zh) * | 2015-03-17 | 2015-06-17 | 广东高云半导体科技股份有限公司 | 带有片上用户非易失性存储器的可编程逻辑器件 |
CN106528464A (zh) * | 2016-11-08 | 2017-03-22 | 英业达科技有限公司 | 内存访问冲突控制的计算机系统 |
WO2022027196A1 (zh) * | 2020-08-03 | 2022-02-10 | Oppo广东移动通信有限公司 | 共享内存处理装置、调制解调器以及方法和存储介质 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06161870A (ja) * | 1992-11-26 | 1994-06-10 | Nec Corp | デュアルポートram回路 |
JP2010140155A (ja) * | 2008-12-10 | 2010-06-24 | Oki Electric Ind Co Ltd | フラッシュディスク装置 |
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JPH0574151A (ja) | 1991-09-18 | 1993-03-26 | Hitachi Ltd | ダイナミツクメモリの競合回路 |
US5448714A (en) * | 1992-01-02 | 1995-09-05 | Integrated Device Technology, Inc. | Sequential-access and random-access dual-port memory buffer |
JPH0877066A (ja) | 1994-08-31 | 1996-03-22 | Tdk Corp | フラッシュメモリコントローラ |
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JP4812192B2 (ja) * | 2001-07-27 | 2011-11-09 | パナソニック株式会社 | フラッシュメモリ装置、及び、それに記憶されたデータのマージ方法 |
GB0123417D0 (en) * | 2001-09-28 | 2001-11-21 | Memquest Ltd | Improved data processing |
KR100614639B1 (ko) * | 2003-07-24 | 2006-08-22 | 삼성전자주식회사 | 쓰기 방지 가능한 버퍼 메모리를 갖는 메모리 장치 및그것을 포함하는 정보 처리 시스템 |
US7752380B2 (en) * | 2003-07-31 | 2010-07-06 | Sandisk Il Ltd | SDRAM memory device with an embedded NAND flash controller |
US7062615B2 (en) * | 2003-08-29 | 2006-06-13 | Emulex Design & Manufacturing Corporation | Multi-channel memory access arbitration method and system |
US7277995B2 (en) * | 2003-10-29 | 2007-10-02 | Dot Hill Systems Corporation | Storage controller and method for performing host access control in the host interface adapter |
KR100666169B1 (ko) * | 2004-12-17 | 2007-01-09 | 삼성전자주식회사 | 플래쉬 메모리 데이터 저장장치 |
JP2006185352A (ja) * | 2004-12-28 | 2006-07-13 | Fujitsu Ltd | 外部記憶制御装置およびそのためのプログラム |
US8108691B2 (en) * | 2005-02-07 | 2012-01-31 | Sandisk Technologies Inc. | Methods used in a secure memory card with life cycle phases |
JP2006276967A (ja) * | 2005-03-28 | 2006-10-12 | Renesas Technology Corp | 半導体装置 |
KR100648292B1 (ko) * | 2005-07-28 | 2006-11-23 | 삼성전자주식회사 | 오토 듀얼 버퍼링 방식의 메모리 장치 |
JP4153535B2 (ja) * | 2006-05-30 | 2008-09-24 | Tdk株式会社 | メモリコントローラ及びメモリコントローラを備えるフラッシュメモリシステム、並びに、フラッシュメモリの制御方法 |
JP4823009B2 (ja) * | 2006-09-29 | 2011-11-24 | 株式会社東芝 | メモリカード及びホスト機器 |
KR100909364B1 (ko) * | 2007-02-06 | 2009-07-24 | 삼성전자주식회사 | 시스템 클록의 노출을 차단하는 메모리 컨트롤러와 그 방법 |
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2011
- 2011-10-21 JP JP2011231550A patent/JP5801158B2/ja active Active
-
2012
- 2012-10-16 US US13/653,141 patent/US9256556B2/en not_active Expired - Fee Related
- 2012-10-19 CN CN201210399530.9A patent/CN103064802B/zh active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06161870A (ja) * | 1992-11-26 | 1994-06-10 | Nec Corp | デュアルポートram回路 |
JP2010140155A (ja) * | 2008-12-10 | 2010-06-24 | Oki Electric Ind Co Ltd | フラッシュディスク装置 |
Also Published As
Publication number | Publication date |
---|---|
US20130104004A1 (en) | 2013-04-25 |
CN103064802A (zh) | 2013-04-24 |
JP5801158B2 (ja) | 2015-10-28 |
US9256556B2 (en) | 2016-02-09 |
CN103064802B (zh) | 2018-09-07 |
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