JP5671665B2 - Dramをスタックする方法及び装置 - Google Patents
Dramをスタックする方法及び装置 Download PDFInfo
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- JP5671665B2 JP5671665B2 JP2012132119A JP2012132119A JP5671665B2 JP 5671665 B2 JP5671665 B2 JP 5671665B2 JP 2012132119 A JP2012132119 A JP 2012132119A JP 2012132119 A JP2012132119 A JP 2012132119A JP 5671665 B2 JP5671665 B2 JP 5671665B2
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C7/00—Arrangements for writing information into, or reading information out from, a digital store
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C5/00—Details of stores covered by group G11C11/00
- G11C5/02—Disposition of storage elements, e.g. in the form of a matrix array
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
- G11C11/21—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements
- G11C11/34—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices
- G11C11/40—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C5/00—Details of stores covered by group G11C11/00
- G11C5/06—Arrangements for interconnecting storage elements electrically, e.g. by wiring
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
- G11C11/21—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements
- G11C11/34—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices
- G11C11/40—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors
- G11C11/401—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors forming cells needing refreshing or charge regeneration, i.e. dynamic cells
- G11C11/4063—Auxiliary circuits, e.g. for addressing, decoding, driving, writing, sensing or timing
- G11C11/407—Auxiliary circuits, e.g. for addressing, decoding, driving, writing, sensing or timing for memory cells of the field-effect type
- G11C11/409—Read-write [R-W] circuits
- G11C11/4093—Input/output [I/O] data interface arrangements, e.g. data buffers
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C29/00—Checking stores for correct operation ; Subsequent repair; Testing stores during standby or offline operation
- G11C29/70—Masking faults in memories by using spares or by reconfiguring
- G11C29/78—Masking faults in memories by using spares or by reconfiguring using programmable devices
- G11C29/80—Masking faults in memories by using spares or by reconfiguring using programmable devices with improved layout
- G11C29/812—Masking faults in memories by using spares or by reconfiguring using programmable devices with improved layout using a reduced amount of fuses
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C7/00—Arrangements for writing information into, or reading information out from, a digital store
- G11C7/10—Input/output [I/O] data interface arrangements, e.g. I/O data control circuits, I/O data buffers
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- H10W70/60—
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Hardware Design (AREA)
- Techniques For Improving Reliability Of Storages (AREA)
- Dram (AREA)
- For Increasing The Reliability Of Semiconductor Memories (AREA)
- Static Random-Access Memory (AREA)
- Semiconductor Memories (AREA)
Description
・ホストシステムが(メモリデバイスがDIMM上にある実施形態において、DIMMごとに)単一の負荷のみを、メモリチャネルまたはバスの高速信号またはピンで見る。
・これらのメモリチップをスタックすることがシグナルインテグリティに影響を及ぼさないように、相互にスタックすべきメモリチップが、メモリチャネルまたはバスのデータレート(すなわち、外部データバスのレート)よりも低い速度で作動する。
A=Ap…A2、A1;
パリティ[A]=(Ap)n…n(A2)、n(A1)、ただし、「n」は、ビット排他論理和演算子である。
・Z0及びZ2をチップAに書き込み、チップAに対するZ1及びZ3の書き込みをマスクする。
・Z1及びZ3をチップBに書き込み、チップBに対するZ0及びZ2の書き込みをマスクする。
・(Z0^Z1)及び(Z2^Z3)をチップCに書き込み、他の2つの書き込みをマスクする。
Claims (2)
- 第1の速度でアクセス可能な複数のセルから構成されるメモリコアを備える、垂直方向にスタックされた複数のダイナミックランダムアクセスメモリ(DRAM)集積回路と、
前記第1の速度よりも大きい速度で、前記DRAM集積回路とメモリバスとの間でインタフェースを設けるインタフェース集積回路と、を備え、
前記スタックされたDRAM集積回路が(p+q)個のDRAM集積回路を備え、p及びqのそれぞれが整数値であり、
前記インタフェース集積回路がRAIDメモリスキームを可能にするように構成されており、
前記p個のDRAM集積回路が、前記p個のDRAM集積回路に対してデータを格納する作業メモリデバイスとして用いられる複数のDRAM集積回路を備え、
前記q個のDRAM集積回路が、前記p個のDRAM集積回路に格納されたデータのためのパリティ情報を格納するように構成される少なくとも1つのパリティ集積回路を備え、
前記インタフェース集積回路は、前記メモリバスを通じて単一のメモリコントローラとスタックされた前記(p+q)個のDRAM集積回路との間でデータを伝えるように構成される、システム。 - 垂直方向にスタックされた、複数の業界標準のダイナミックランダムアクセスメモリ(DRAM)集積回路と、
前記DRAM集積回路の電気的負荷とメモリバスとを分離するように、アドレス信号、制御信号及びデータ信号のうちの少なくとも1つをバッファリングすることにより、前記複数のDRAM集積回路と1つの前記メモリバスとの間でインタフェースを設けるバッファ集積回路と、を備え、
前記スタックされたDRAM集積回路が(p+q)個のDRAM集積回路を備え、p及びqのそれぞれが整数値であり、前記バッファ集積回路がRAIDメモリスキームを可能にするように構成されており、
前記p個のDRAM集積回路が、前記p個のDRAM集積回路に対してデータを格納する作業メモリデバイスとして用いられる複数のDRAM集積回路を備え、
前記q個のDRAM集積回路が、前記p個のDRAM集積回路に格納されたデータのためのパリティ情報を格納するように構成される少なくとも1つのパリティ集積回路を備え、
前記バッファ集積回路は、前記メモリバスを通じて単一のメモリコントローラとスタックされた前記(p+q)個のDRAM集積回路との間でデータを伝えるように構成される、システム。
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US71381505P | 2005-09-02 | 2005-09-02 | |
| US60/713,815 | 2005-09-02 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2008529353A Division JP5242397B2 (ja) | 2005-09-02 | 2006-09-01 | Dramをスタックする方法及び装置 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2014096048A Division JP5874119B2 (ja) | 2005-09-02 | 2014-05-07 | Dramをスタックする方法及び装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2012238376A JP2012238376A (ja) | 2012-12-06 |
| JP5671665B2 true JP5671665B2 (ja) | 2015-02-18 |
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Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2008529353A Expired - Fee Related JP5242397B2 (ja) | 2005-09-02 | 2006-09-01 | Dramをスタックする方法及び装置 |
| JP2012132119A Active JP5671665B2 (ja) | 2005-09-02 | 2012-06-11 | Dramをスタックする方法及び装置 |
| JP2014096048A Active JP5874119B2 (ja) | 2005-09-02 | 2014-05-07 | Dramをスタックする方法及び装置 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
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| JP2008529353A Expired - Fee Related JP5242397B2 (ja) | 2005-09-02 | 2006-09-01 | Dramをスタックする方法及び装置 |
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| Application Number | Title | Priority Date | Filing Date |
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| JP2014096048A Active JP5874119B2 (ja) | 2005-09-02 | 2014-05-07 | Dramをスタックする方法及び装置 |
Country Status (6)
| Country | Link |
|---|---|
| US (6) | US7379316B2 (ja) |
| JP (3) | JP5242397B2 (ja) |
| KR (1) | KR101303518B1 (ja) |
| DE (2) | DE112006004263B4 (ja) |
| GB (1) | GB2444663B (ja) |
| WO (1) | WO2007028109A2 (ja) |
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| WO2007028109A3 (en) | 2008-01-10 |
| GB2444663A (en) | 2008-06-11 |
| WO2007028109A2 (en) | 2007-03-08 |
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| US20130100746A1 (en) | 2013-04-25 |
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| DE112006002300B4 (de) | 2013-12-19 |
| JP2012238376A (ja) | 2012-12-06 |
| GB2444663B (en) | 2011-12-07 |
| US20120268982A1 (en) | 2012-10-25 |
| KR20080039466A (ko) | 2008-05-07 |
| JP2009507324A (ja) | 2009-02-19 |
| US8213205B2 (en) | 2012-07-03 |
| US8811065B2 (en) | 2014-08-19 |
| KR101303518B1 (ko) | 2013-09-03 |
| GB0803913D0 (en) | 2008-04-09 |
| US20100020585A1 (en) | 2010-01-28 |
| US20070058410A1 (en) | 2007-03-15 |
| US20080170425A1 (en) | 2008-07-17 |
| US7599205B2 (en) | 2009-10-06 |
| US8582339B2 (en) | 2013-11-12 |
| JP5242397B2 (ja) | 2013-07-24 |
| JP2014194795A (ja) | 2014-10-09 |
| DE112006002300T5 (de) | 2008-07-10 |
| US20070058471A1 (en) | 2007-03-15 |
| DE112006004263B4 (de) | 2015-05-13 |
| JP5874119B2 (ja) | 2016-03-02 |
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