JP7769181B2 - 欠陥検出を備えるエラー補正ハードウェア - Google Patents
欠陥検出を備えるエラー補正ハードウェアInfo
- Publication number
- JP7769181B2 JP7769181B2 JP2022096954A JP2022096954A JP7769181B2 JP 7769181 B2 JP7769181 B2 JP 7769181B2 JP 2022096954 A JP2022096954 A JP 2022096954A JP 2022096954 A JP2022096954 A JP 2022096954A JP 7769181 B2 JP7769181 B2 JP 7769181B2
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- JP
- Japan
- Prior art keywords
- read
- write
- output
- ecc logic
- ecc
- Prior art date
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Classifications
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/08—Error detection or correction by redundancy in data representation, e.g. by using checking codes
- G06F11/10—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's
- G06F11/1008—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's in individual solid state devices
- G06F11/1068—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's in individual solid state devices in sector programmable memories, e.g. flash disk
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/08—Error detection or correction by redundancy in data representation, e.g. by using checking codes
- G06F11/10—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's
- G06F11/1008—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's in individual solid state devices
- G06F11/1012—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's in individual solid state devices using codes or arrangements adapted for a specific type of error
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/08—Error detection or correction by redundancy in data representation, e.g. by using checking codes
- G06F11/10—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's
- G06F11/1008—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's in individual solid state devices
- G06F11/1048—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's in individual solid state devices using arrangements adapted for a specific error detection or correction feature
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; 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
- G06F3/0614—Improving the reliability of storage systems
- G06F3/0619—Improving the reliability of storage systems in relation to data integrity, e.g. data losses, bit errors
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; 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
- G06F3/0638—Organizing or formatting or addressing of data
- G06F3/064—Management of blocks
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; 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
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C29/00—Checking stores for correct operation ; Subsequent repair; Testing stores during standby or offline operation
- G11C29/52—Protection of memory contents; Detection of errors in memory contents
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- Quality & Reliability (AREA)
- Computer Security & Cryptography (AREA)
- Techniques For Improving Reliability Of Storages (AREA)
- Detection And Correction Of Errors (AREA)
- For Increasing The Reliability Of Semiconductor Memories (AREA)
Description
Claims (13)
- 方法であって、
メモリ回路のための読み出し経路回路要素における読み出し生成エラー訂正コード(ECC)ロジックの出力を前記メモリ回路のための書き込み経路回路要素における書き込み生成ECCロジックの出力と比較することと、
前記比較することに基づいて、前記書き込み生成ECCロジックの出力が前記読み出し生成ECCロジックの出力と等しくないときに、前記書き込み生成ECCロジックにおける又は前記読み出し生成ECCロジックにおける欠陥を検出することと、
前記欠陥が書き込みオペレーションの間のエラーであるときに、前記読み出し生成ECCロジックと前記書き込み生成ECCロジックとに書き込みデータを提供することと前記読み出し生成ECCロジックの出力と前記書き込み生成ロジックの出力とを比較することとを繰り返すことによって前記読み出し生成ECCロジック又は前記書き込み生成ECCロジックの一時的エラー又は永久的エラーを判定することと、
を含み、
前記一時的エラーが前記繰り返えすことの間に再び検出されない欠陥に基づいて判定され、前記永久的エラーが前記繰り返えすことの間に再び検出される欠陥に基づいて判定される、方法。 - 請求項1に記載の方法であって、
前記比較することと前記検出することとが、クロックサイクル毎に連続的に実施される、方法。 - 請求項1に記載の方法であって、
前記メモリ回路が、スタティックランダムアクセスメモリ(SRAM)、読み出し専用メモリ(ROM)、又はフラッシュメモリを含む、方法。 - 請求項1に記載の方法であって、
前記メモリ回路が、先進運転支援システム(ADAS)のプロセッサのためのメモリである、方法。 - 請求項1に記載の方法であって、
前記マルチビットエラーが、前記読み出し生成ECCロジックの出力と前記書き込み生成ECCロジックの出力との間の少なくとも2ビットの相違を含む、方法。 - 請求項1に記載の方法であって、
前記メモリ回路から前記読み出し生成ECCロジックと前記書き込み生成ECCロジックとに読み出しデータを提供することを更に含む、方法。 - 装置であって、
メモリ回路の書き込み経路回路要素における書き込み生成エラー訂正コード(ECC)ロジックの出力を前記メモリ回路の読み出し経路回路要素における読み出し生成ECCロジックの出力と比較する回路要素と、
前記比較する回路要素からの比較出力が前記書き込み生成ECCロジックの出力の値が前記読み出し生成ECCロジックの出力の値と等しくないと判定するときに、前記書き込み生成ECCロジック又は前記読み出し生成ECCロジックにおける欠陥を検出する回路要素と、
前記欠陥が書き込みオペレーションの間のエラーであるときに前記読み出し生成ECCロジックと前記書き込み生成ECCロジックとに書き込みデータを提供することと前記読み出し生成ECCロジックの出力と前記書き込み生成ロジックの出力とを比較することとを繰り返すことによって前記読み出し生成ECCロジック又は前記書き込み生成ECCロジックの一時的エラー又は永久的エラーを判定する回路要素と、
を含み、
前記一時的エラーが前記繰り返えすことの間に再び検出されない欠陥に基づいて判定され、前記永久的エラーが前記繰り返えすことの間に再び検出される欠陥に基づいて判定される、装置。 - 請求項7に記載の装置であって、
前記読み出し経路回路要素が、前記読み出し生成ECCロジックの出力に結合される第1の入力と前記メモリ回路のECC出力に結合される第2の入力とシンドロームデコードブロックにシンドローム出力を提供する出力とを有するXOR回路を含み、
前記シンドロームデコードブロックが単一ビットエラー訂正(SEC)ブロックとマルチビットエラー生成回路要素とに結合され、
前記装置が、
前記比較出力をイネーブル入力としてマルチビットエラー検出(MED)回路要素に提供し、前記比較出力をイネーブル入力として前記SECブロックに提供する回路要素、
を更に含む、装置。 - 請求項7に記載の装置であって、
前記比較することと前記検出することとが、クロックサイクル毎に連続的に実施される、装置。 - 請求項7に記載の装置であって、
前記メモリ回路が、スタティックランダムアクセスメモリ(SRAM)、読み出し専用メモリ(ROM)、又はフラッシュメモリである、装置。 - 請求項7に記載の装置であって、
前記メモリ回路が、先進運転支援システム(ADAS)のプロセッサのためのメモリである、装置。 - 請求項7に記載の装置であって、
前記比較する回路要素が、デジタル比較器である、装置。 - 請求項7に記載の装置であって、
前記メモリ回路から前記読み出し生成ECCロジックと前記書き込み生成ECCロジックとに読み出しデータを提供する回路要素を更に含む、装置。
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US15/244,739 | 2016-08-23 | ||
| US15/244,739 US9904595B1 (en) | 2016-08-23 | 2016-08-23 | Error correction hardware with fault detection |
| PCT/US2017/047890 WO2018039156A1 (en) | 2016-08-23 | 2017-08-22 | Error correction hardware with fault detection |
| JP2019511460A JP7303408B2 (ja) | 2016-08-23 | 2017-08-22 | 欠陥検出を備えるエラー補正ハードウェア |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2019511460A Division JP7303408B2 (ja) | 2016-08-23 | 2017-08-22 | 欠陥検出を備えるエラー補正ハードウェア |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2022123052A JP2022123052A (ja) | 2022-08-23 |
| JP7769181B2 true JP7769181B2 (ja) | 2025-11-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| JP2019511460A Active JP7303408B2 (ja) | 2016-08-23 | 2017-08-22 | 欠陥検出を備えるエラー補正ハードウェア |
| JP2022096954A Active JP7769181B2 (ja) | 2016-08-23 | 2022-06-16 | 欠陥検出を備えるエラー補正ハードウェア |
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| Application Number | Title | Priority Date | Filing Date |
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| JP2019511460A Active JP7303408B2 (ja) | 2016-08-23 | 2017-08-22 | 欠陥検出を備えるエラー補正ハードウェア |
Country Status (6)
| Country | Link |
|---|---|
| US (4) | US9904595B1 (ja) |
| EP (1) | EP3504624B1 (ja) |
| JP (2) | JP7303408B2 (ja) |
| KR (2) | KR102399843B1 (ja) |
| CN (1) | CN109643262B (ja) |
| WO (1) | WO2018039156A1 (ja) |
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| JP2005196680A (ja) | 2004-01-09 | 2005-07-21 | Ricoh Co Ltd | コンピュータシステム |
| JP2010277352A (ja) | 2009-05-28 | 2010-12-09 | Toshiba Corp | メモリシステム |
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| US20220283899A1 (en) | 2022-09-08 |
| KR102267860B1 (ko) | 2021-06-23 |
| KR20210076195A (ko) | 2021-06-23 |
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| US20180107541A1 (en) | 2018-04-19 |
| CN109643262B (zh) | 2023-08-08 |
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| EP3504624A4 (en) | 2019-07-24 |
| US20180060163A1 (en) | 2018-03-01 |
| JP7303408B2 (ja) | 2023-07-05 |
| KR102399843B1 (ko) | 2022-05-20 |
| WO2018039156A1 (en) | 2018-03-01 |
| CN109643262A (zh) | 2019-04-16 |
| US9904595B1 (en) | 2018-02-27 |
| JP2019525362A (ja) | 2019-09-05 |
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