JP2013516723A - クロック入力バッファの制御 - Google Patents
クロック入力バッファの制御 Download PDFInfo
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- JP2013516723A JP2013516723A JP2012546561A JP2012546561A JP2013516723A JP 2013516723 A JP2013516723 A JP 2013516723A JP 2012546561 A JP2012546561 A JP 2012546561A JP 2012546561 A JP2012546561 A JP 2012546561A JP 2013516723 A JP2013516723 A JP 2013516723A
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- buffer
- memory
- circuit
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- clock signal
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
- H03K3/01—Details
- H03K3/012—Modifications of generator to improve response time or to decrease power consumption
-
- 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
- G11C11/4072—Circuits for initialization, powering up or down, clearing memory or presetting
-
- 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
-
- 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
- G11C7/222—Clock generating, synchronizing or distributing circuits within memory device
-
- 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
- G11C7/225—Clock input buffers
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Hardware Design (AREA)
- Logic Circuits (AREA)
- Power Sources (AREA)
- Dram (AREA)
- Semiconductor Integrated Circuits (AREA)
Abstract
【選択図】図2
Description
Claims (20)
- クロック信号のトグルの検出に基づいてバッファの電力消費を制御すること
を含む方法。 - パワー・ダウン状態に応答して前記バッファをパワー・ダウンすることを含む、請求項1に記載の方法。
- 前記バッファをパワー・ダウンするために信号を生成することを含む、請求項2に記載の方法。
- 前記バッファをパワー・ダウンするようにラッチをリセットするために、フリップフロップを用いることを含む、請求項3に記載の方法。
- 前記ラッチは、SRラッチであり、前記クロック信号のトグルの数が閾値を超えるとき、前記SRラッチに信号を提供する、請求項4に記載の方法。
- 前記バッファをパワー・アップするために、前記SRラッチから信号を出力することを含む、請求項5に記載の方法。
- 前記クロック信号のトグルを所定数計数して、前記バッファを高消費電力モードにパワー・アップすることを含む、請求項1に記載の方法。
- 集積回路チップにクロック信号を提供するために前記バッファを用いることを含む、請求項1に記載の方法。
- 低電力ダブルデータレート2メモリにクロック信号を供給するために、前記バッファを用いることを含む、請求項8に記載の方法。
- 集積回路チップと、
前記集積回路チップにクロック信号を供給するバッファと、
前記クロック信号のトグルの検出に応答して前記バッファの電力消費を増加させるデバイスと、
を含む集積回路。 - 前記回路はメモリである、請求項10に記載の回路。
- 前記回路は低電力ダブルデータレート2メモリである、請求項11に記載の回路。
- 前記デバイスは、前記クロック信号の周期数を計数する検出器を含む、請求項10に記載の回路。
- 前記回路は、
前記所定の周期数が計数されると出力信号を生成するとともに、前記出力信号を前記バッファに供給して、前記バッファが消費電力増加モードに遷移するように前記バッファをイネーブルするために、前記検出器に結合されるフリップフロップ、
を更に含む、請求項13に記載の回路。 - 前記バッファの出力に結合され、前記フリップフロップをリセットするために前記フリップフロップに結合される出力を有するラッチを更に含む、請求項14に記載の回路。
- メモリ集積回路チップと、
前記チップに結合され、前記チップにクロック信号を供給するバッファと、
前記クロック信号のトグルに応答して前記バッファをパワー・アップする回路と、
を含むメモリ。 - 前記メモリは低電力ダブルデータレート2メモリである、請求項16に記載のメモリ。
- 前記回路は、前記クロック信号の2つのトグルを検出し、これに応答して、前記バッファをイネーブルする、請求項16に記載のメモリ。
- 前記バッファの出力に結合されるDQフリップフロップを含む、請求項16に記載のメモリ。
- 前記回路に結合され、前記DQフリップフロップの出力に結合されるリセットピンを有するSRラッチを含む、請求項19に記載のメモリ。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/IT2009/000592 WO2011080773A1 (en) | 2009-12-30 | 2009-12-30 | Controlling clock input buffers |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2013516723A true JP2013516723A (ja) | 2013-05-13 |
JP5610409B2 JP5610409B2 (ja) | 2014-10-22 |
Family
ID=42101773
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012546561A Active JP5610409B2 (ja) | 2009-12-30 | 2009-12-30 | クロック入力バッファの制御 |
Country Status (7)
Country | Link |
---|---|
US (2) | US8824235B2 (ja) |
EP (1) | EP2519949B1 (ja) |
JP (1) | JP5610409B2 (ja) |
KR (1) | KR101497777B1 (ja) |
CN (1) | CN102792380B (ja) |
TW (1) | TWI502587B (ja) |
WO (1) | WO2011080773A1 (ja) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2519949B1 (en) | 2009-12-30 | 2020-02-26 | Micron Technology, Inc. | Controlling clock input buffers |
US9384795B1 (en) * | 2015-04-29 | 2016-07-05 | Qualcomm Incorporated | Fully valid-gated read and write for low power array |
JP6590718B2 (ja) | 2016-02-03 | 2019-10-16 | キヤノン株式会社 | 情報処理装置及びその制御方法 |
US9792964B1 (en) * | 2016-09-20 | 2017-10-17 | Micron Technology, Inc. | Apparatus of offset voltage adjustment in input buffer |
US10210918B2 (en) | 2017-02-28 | 2019-02-19 | Micron Technology, Inc. | Apparatuses and methods for determining a phase relationship between an input clock signal and a multiphase clock signal |
US10090026B2 (en) | 2017-02-28 | 2018-10-02 | Micron Technology, Inc. | Apparatuses and methods for providing internal memory commands and control signals in semiconductor memories |
US10269397B2 (en) | 2017-08-31 | 2019-04-23 | Micron Technology, Inc. | Apparatuses and methods for providing active and inactive clock signals |
US11508422B2 (en) * | 2019-08-02 | 2022-11-22 | Micron Technology, Inc. | Methods for memory power management and memory devices and systems employing the same |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08315572A (ja) * | 1995-03-14 | 1996-11-29 | Nec Corp | 同期型半導体記憶回路装置用内部クロック生成回路 |
JPH11317076A (ja) * | 1998-01-21 | 1999-11-16 | Fujitsu Ltd | 入力回路および該入力回路を有する半導体集積回路 |
JPH11353877A (ja) * | 1998-05-25 | 1999-12-24 | Samsung Electronics Co Ltd | 同期式dram半導体装置 |
JP2000021165A (ja) * | 1998-06-30 | 2000-01-21 | Fujitsu Ltd | 集積回路装置 |
JP2008091000A (ja) * | 2006-09-29 | 2008-04-17 | Hynix Semiconductor Inc | スモールクロックバッファを備えるメモリ装置 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6433607B2 (en) * | 1998-01-21 | 2002-08-13 | Fujitsu Limited | Input circuit and semiconductor integrated circuit having the input circuit |
EP1145430B1 (en) * | 1998-11-12 | 2004-09-15 | Broadcom Corporation | Integrated tuner architecture |
JP4726334B2 (ja) * | 2001-06-13 | 2011-07-20 | ルネサスエレクトロニクス株式会社 | 半導体装置 |
US7035253B2 (en) * | 2002-01-28 | 2006-04-25 | Broadcom Corporation | Communication timing coordination techniques |
US7099234B2 (en) * | 2004-06-28 | 2006-08-29 | United Memories, Inc. | Low power sleep mode operation technique for dynamic random access memory (DRAM) devices and integrated circuit devices incorporating embedded DRAM |
JP4296135B2 (ja) * | 2004-07-23 | 2009-07-15 | Okiセミコンダクタ株式会社 | Pllクロック出力安定化回路 |
US7529329B2 (en) * | 2004-08-10 | 2009-05-05 | Applied Micro Circuits Corporation | Circuit for adaptive sampling edge position control and a method therefor |
CN101040238B (zh) * | 2004-08-17 | 2010-05-05 | Nxp股份有限公司 | 混合信号集成电路 |
KR100674994B1 (ko) * | 2005-09-10 | 2007-01-29 | 삼성전자주식회사 | 메모리 장치의 입력 버퍼와 메모리 제어장치 및 이를이용한 메모리 시스템 |
KR100896182B1 (ko) | 2007-02-22 | 2009-05-12 | 삼성전자주식회사 | 지연 동기 회로의 파워 다운 모드를 제어하는 장치 및 그제어 방법 |
US8502566B2 (en) * | 2007-05-31 | 2013-08-06 | Qualcomm, Incorporated | Adjustable input receiver for low power high speed interface |
US20090121747A1 (en) * | 2007-11-12 | 2009-05-14 | Sang Hoo Dhong | Maintaining Circuit Delay Characteristics During Power Management Mode |
EP2519949B1 (en) | 2009-12-30 | 2020-02-26 | Micron Technology, Inc. | Controlling clock input buffers |
-
2009
- 2009-12-30 EP EP09807651.6A patent/EP2519949B1/en active Active
- 2009-12-30 US US13/519,846 patent/US8824235B2/en active Active
- 2009-12-30 JP JP2012546561A patent/JP5610409B2/ja active Active
- 2009-12-30 CN CN200980163478.3A patent/CN102792380B/zh active Active
- 2009-12-30 KR KR1020127019690A patent/KR101497777B1/ko active IP Right Grant
- 2009-12-30 WO PCT/IT2009/000592 patent/WO2011080773A1/en active Application Filing
-
2010
- 2010-12-29 TW TW099146570A patent/TWI502587B/zh active
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2014
- 2014-07-31 US US14/448,706 patent/US9577611B2/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08315572A (ja) * | 1995-03-14 | 1996-11-29 | Nec Corp | 同期型半導体記憶回路装置用内部クロック生成回路 |
JPH11317076A (ja) * | 1998-01-21 | 1999-11-16 | Fujitsu Ltd | 入力回路および該入力回路を有する半導体集積回路 |
JPH11353877A (ja) * | 1998-05-25 | 1999-12-24 | Samsung Electronics Co Ltd | 同期式dram半導体装置 |
JP2000021165A (ja) * | 1998-06-30 | 2000-01-21 | Fujitsu Ltd | 集積回路装置 |
JP2008091000A (ja) * | 2006-09-29 | 2008-04-17 | Hynix Semiconductor Inc | スモールクロックバッファを備えるメモリ装置 |
Also Published As
Publication number | Publication date |
---|---|
TW201140584A (en) | 2011-11-16 |
EP2519949B1 (en) | 2020-02-26 |
TWI502587B (zh) | 2015-10-01 |
US8824235B2 (en) | 2014-09-02 |
US20120314522A1 (en) | 2012-12-13 |
KR20120134103A (ko) | 2012-12-11 |
CN102792380B (zh) | 2015-11-25 |
JP5610409B2 (ja) | 2014-10-22 |
US9577611B2 (en) | 2017-02-21 |
US20140340135A1 (en) | 2014-11-20 |
WO2011080773A1 (en) | 2011-07-07 |
KR101497777B1 (ko) | 2015-03-02 |
CN102792380A (zh) | 2012-11-21 |
EP2519949A1 (en) | 2012-11-07 |
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