JP4932856B2 - 集積回路の動作パラメータを調整するための装置及び方法 - Google Patents
集積回路の動作パラメータを調整するための装置及び方法 Download PDFInfo
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- JP4932856B2 JP4932856B2 JP2008557438A JP2008557438A JP4932856B2 JP 4932856 B2 JP4932856 B2 JP 4932856B2 JP 2008557438 A JP2008557438 A JP 2008557438A JP 2008557438 A JP2008557438 A JP 2008557438A JP 4932856 B2 JP4932856 B2 JP 4932856B2
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- memory
- speed
- shift register
- integrated circuit
- logic
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- 238000000034 method Methods 0.000 title claims description 13
- 230000004044 response Effects 0.000 claims description 14
- 230000008859 change Effects 0.000 claims description 4
- 230000003213 activating effect Effects 0.000 claims 1
- 239000004020 conductor Substances 0.000 description 13
- 102100036285 25-hydroxyvitamin D-1 alpha hydroxylase, mitochondrial Human genes 0.000 description 5
- 101000875403 Homo sapiens 25-hydroxyvitamin D-1 alpha hydroxylase, mitochondrial Proteins 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000004913 activation Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 230000002457 bidirectional effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 1
- 230000007334 memory performance Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
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Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
-
- 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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3234—Power saving characterised by the action undertaken
- G06F1/325—Power saving in peripheral device
- G06F1/3275—Power saving in memory, e.g. RAM, cache
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C7/00—Arrangements for writing information into, or reading information out from, a digital store
- G11C7/22—Read-write [R-W] timing or clocking circuits; Read-write [R-W] control signal generators or management
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Semiconductor Integrated Circuits (AREA)
- Dram (AREA)
- Tests Of Electronic Circuits (AREA)
- Power Sources (AREA)
- Design And Manufacture Of Integrated Circuits (AREA)
Description
当業者であれば、図面における構成要素は、簡略化及び明瞭化のために示されているものであって、寸法通りとする必要はないことを認識されよう。例えば、図面の構成要素の寸法は、本発明の実施形態をより良く理解するために誇張されていることがある。
Claims (2)
- メモリと、該メモリに接続され、かつタイミング回路を含むロジックとを有する集積回路の動作パラメータを調整するための方法であって、
前記メモリにアクセスすること、
前記メモリへのアクセス速度とタイミング回路の速度とを比較すること、
比較結果に基づいて前記メモリの動作パラメータを選択的に調整して、前記タイミング回路の速度に対する前記メモリの速度を変更すること
を備え、
前記メモリへのアクセス速度とタイミング回路の速度とを比較することは、
メモリアクセスの開始に応答して、カウント回路を活性化して前記タイミング回路により生成されるパルスをカウントすること、
メモリアクセスを完了したことに応答して、前記カウント回路がカウント値を出力すること、
前記カウント値と閾値とを比較してメモリアクセスの相対速度を示す比較結果を生成することを含む、方法。 - 集積回路であって、
リング発振器と、
前記リング発振器の出力に接続されたクロック入力を有するシフトレジスタであって、前記シフトレジスタはメモリへのメモリアクセスの開始に応答して活性化され、メモリアクセスの完了に応答して非活性化される、シフトレジスタと、
前記シフトレジスタの出力に接続され、前記シフトレジスタの出力と閾値とを比較して前記メモリアクセスの相対速度を示す相対速度指標を供給する比較ロジックと
を備える集積回路。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/366,286 US7483327B2 (en) | 2006-03-02 | 2006-03-02 | Apparatus and method for adjusting an operating parameter of an integrated circuit |
US11/366,286 | 2006-03-02 | ||
PCT/US2007/061189 WO2007117745A2 (en) | 2006-03-02 | 2007-01-29 | Apparatus and method for adjusting an operating parameter of an integrated circuit |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2009528635A JP2009528635A (ja) | 2009-08-06 |
JP2009528635A5 JP2009528635A5 (ja) | 2010-03-18 |
JP4932856B2 true JP4932856B2 (ja) | 2012-05-16 |
Family
ID=38519422
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008557438A Active JP4932856B2 (ja) | 2006-03-02 | 2007-01-29 | 集積回路の動作パラメータを調整するための装置及び方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7483327B2 (ja) |
EP (1) | EP1994420B1 (ja) |
JP (1) | JP4932856B2 (ja) |
KR (1) | KR101367063B1 (ja) |
TW (1) | TWI459403B (ja) |
WO (1) | WO2007117745A2 (ja) |
Families Citing this family (29)
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US7613043B2 (en) * | 2006-05-15 | 2009-11-03 | Apple Inc. | Shifting reference values to account for voltage sag |
US7852690B2 (en) * | 2006-05-15 | 2010-12-14 | Apple Inc. | Multi-chip package for a flash memory |
US7551486B2 (en) * | 2006-05-15 | 2009-06-23 | Apple Inc. | Iterative memory cell charging based on reference cell value |
US7568135B2 (en) * | 2006-05-15 | 2009-07-28 | Apple Inc. | Use of alternative value in cell detection |
US8000134B2 (en) | 2006-05-15 | 2011-08-16 | Apple Inc. | Off-die charge pump that supplies multiple flash devices |
US7639542B2 (en) * | 2006-05-15 | 2009-12-29 | Apple Inc. | Maintenance operations for multi-level data storage cells |
US7639531B2 (en) * | 2006-05-15 | 2009-12-29 | Apple Inc. | Dynamic cell bit resolution |
US7911834B2 (en) * | 2006-05-15 | 2011-03-22 | Apple Inc. | Analog interface for a flash memory die |
US7546410B2 (en) * | 2006-07-26 | 2009-06-09 | International Business Machines Corporation | Self timed memory chip having an apportionable data bus |
US8050781B2 (en) * | 2007-06-29 | 2011-11-01 | Emulex Design & Manufacturing Corporation | Systems and methods for ASIC power consumption reduction |
JP5228468B2 (ja) * | 2007-12-17 | 2013-07-03 | 富士通セミコンダクター株式会社 | システム装置およびシステム装置の動作方法 |
US7684263B2 (en) * | 2008-01-17 | 2010-03-23 | International Business Machines Corporation | Method and circuit for implementing enhanced SRAM write and read performance ring oscillator |
US7852692B2 (en) * | 2008-06-30 | 2010-12-14 | Freescale Semiconductor, Inc. | Memory operation testing |
US8909957B2 (en) * | 2010-11-04 | 2014-12-09 | Lenovo Enterprise Solutions (Singapore) Pte. Ltd. | Dynamic voltage adjustment to computer system memory |
KR20130021175A (ko) | 2011-08-22 | 2013-03-05 | 삼성전자주식회사 | 메모리 장치 및 이를 포함하는 장치들 |
US8717831B2 (en) | 2012-04-30 | 2014-05-06 | Hewlett-Packard Development Company, L.P. | Memory circuit |
US9105328B2 (en) | 2012-07-31 | 2015-08-11 | Taiwan Semiconductor Manufacturing Company, Ltd. | Tracking signals in memory write or read operation |
US20150318054A1 (en) * | 2012-12-11 | 2015-11-05 | Hewlett-Packard Development Company, L.P. | Data Operation in Shift Register Ring |
EP2932505A4 (en) | 2013-03-28 | 2016-08-10 | Hewlett Packard Entpr Dev Lp | DEVICE AND METHOD FOR READING A MEMORY DEVICE |
KR20150043122A (ko) * | 2013-10-14 | 2015-04-22 | 에스케이하이닉스 주식회사 | 반도체 장치 |
US9858217B1 (en) * | 2016-06-29 | 2018-01-02 | Qualcomm Incorporated | Within-die special oscillator for tracking SRAM memory performance with global process variation, voltage and temperature |
US11196574B2 (en) | 2017-08-17 | 2021-12-07 | Taiwan Semiconductor Manufacturing Company, Ltd. | Physically unclonable function (PUF) generation |
US11294678B2 (en) | 2018-05-29 | 2022-04-05 | Advanced Micro Devices, Inc. | Scheduler queue assignment |
US11334384B2 (en) * | 2019-12-10 | 2022-05-17 | Advanced Micro Devices, Inc. | Scheduler queue assignment burst mode |
KR20220022618A (ko) | 2020-08-19 | 2022-02-28 | 에스케이하이닉스 주식회사 | 클록 모니터링 회로 |
US11948000B2 (en) | 2020-10-27 | 2024-04-02 | Advanced Micro Devices, Inc. | Gang scheduling for low-latency task synchronization |
CN114705973B (zh) * | 2022-06-01 | 2022-11-11 | 北京航空航天大学杭州创新研究院 | 非侵入式的复杂环境集成电路老化监测方法 |
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JPH04190389A (ja) * | 1990-11-26 | 1992-07-08 | Hitachi Ltd | 画像表示装置のルックアップテーブル書換え方式 |
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2006
- 2006-03-02 US US11/366,286 patent/US7483327B2/en active Active
-
2007
- 2007-01-29 WO PCT/US2007/061189 patent/WO2007117745A2/en active Application Filing
- 2007-01-29 JP JP2008557438A patent/JP4932856B2/ja active Active
- 2007-01-29 EP EP07756489.6A patent/EP1994420B1/en active Active
- 2007-01-29 KR KR1020087024174A patent/KR101367063B1/ko active IP Right Grant
- 2007-02-13 TW TW096105319A patent/TWI459403B/zh active
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JPH04190389A (ja) * | 1990-11-26 | 1992-07-08 | Hitachi Ltd | 画像表示装置のルックアップテーブル書換え方式 |
JP2002244917A (ja) * | 2001-02-15 | 2002-08-30 | Matsushita Electric Ind Co Ltd | アクセス管理装置、およびプログラム |
Also Published As
Publication number | Publication date |
---|---|
EP1994420A4 (en) | 2013-06-05 |
TWI459403B (zh) | 2014-11-01 |
US20070220388A1 (en) | 2007-09-20 |
TW200739604A (en) | 2007-10-16 |
EP1994420B1 (en) | 2016-09-28 |
WO2007117745A2 (en) | 2007-10-18 |
JP2009528635A (ja) | 2009-08-06 |
WO2007117745A3 (en) | 2008-05-22 |
US7483327B2 (en) | 2009-01-27 |
KR101367063B1 (ko) | 2014-02-24 |
EP1994420A2 (en) | 2008-11-26 |
KR20080100474A (ko) | 2008-11-18 |
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