JP4919587B2 - オートリフレッシュ動作時に安定した高電圧を提供する半導体メモリ素子及びその方法 - Google Patents
オートリフレッシュ動作時に安定した高電圧を提供する半導体メモリ素子及びその方法 Download PDFInfo
- Publication number
- JP4919587B2 JP4919587B2 JP2004194361A JP2004194361A JP4919587B2 JP 4919587 B2 JP4919587 B2 JP 4919587B2 JP 2004194361 A JP2004194361 A JP 2004194361A JP 2004194361 A JP2004194361 A JP 2004194361A JP 4919587 B2 JP4919587 B2 JP 4919587B2
- Authority
- JP
- Japan
- Prior art keywords
- auto
- signal
- refresh
- high voltage
- level
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C5/00—Details of stores covered by group G11C11/00
- G11C5/14—Power supply arrangements, e.g. power down, chip selection or deselection, layout of wirings or power grids, or multiple supply levels
-
- 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
- G11C11/406—Management or control of the refreshing or charge-regeneration cycles
- G11C11/40611—External triggering or timing of internal or partially internal refresh operations, e.g. auto-refresh or CAS-before-RAS triggered refresh
-
- 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
- G11C11/406—Management or control of the refreshing or charge-regeneration cycles
-
- 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
- G11C11/4074—Power supply or voltage generation circuits, e.g. bias voltage generators, substrate voltage generators, back-up power, power control circuits
Description
500 オートリフレッシュ感知部
Claims (4)
- 高電圧ローディング部と、
ノーマル動作モードの間、ローアクティブ信号に応答して前記ローディング部に供給される高電圧のレベルを感知するための電圧レベル感知部と、
オートリフレッシュモードの間、オートリフレッシュ信号に応答してオートリフレッシュ感知信号を生成するためのオートリフレッシュ感知部と、
前記電圧レベル感知部の出力信号と前記オートリフレッシュ感知信号とに応答してポンピング部を制御するポンピング制御信号を生成し、前記オートリフレッシュモードでの前記オートリフレッシュ感知信号、または前記ノーマル動作モードでの前記電圧レベル感知部の出力信号がアクティブになれば、前記ポンピング制御信号をアクティブにさせるポンピング制御信号の生成部と、
前記ポンピング制御信号に応答して、ノーマル動作モードでは、前記高電圧が平均レベル以下に降下した場合に前記高電圧のレベルをポンピングして上昇させ、オートリフレッシュモードでは、電流消費が発生する前に前記高電圧のレベルをポンピングし、前記高電圧が平均レベル以下に降下することを防止し、前記両モードにおいてポンピングされた高電圧を前記ローディング部に供給するポンピング部と
を備えることを特徴とする半導体メモリ素子。 - 前記オートリフレッシュ感知部は、
前記オートリフレッシュ信号を反転させるためのインバータと、インバータの出力信号を遅延させて出力させるためのインバータチェーンと、
前記インバータチェーン及びインバータの出力信号を入力として、オートリフレッシュ感知信号を出力するためのNANDゲートと
を備えることを特徴とする請求項1に記載の半導体メモリ素子。 - 前記ポンピング制御信号の生成部は、
前記レベル感知信号とオートリフレッシュ感知信号とを入力とするNORゲートと、
NORゲートの出力信号を反転させるための第1インバータと、
前記第1インバータの出力信号とインバータチェーンの出力信号とを入力とするNANDゲートと、
前記NANDゲートの出力信号を遅延させるためのインバータチェーンと、
前記NANDゲートの出力信号を反転させて前記ポンピング制御信号として出力するための第2インバータと
を備えることを特徴とする請求項1に記載の半導体メモリ素子。 - ローアクティブ信号が入力されてオートリフレッシュ信号をアクティブにするステップと、
前記オートリフレッシュ信号に応答してオートリフレッシュ感知信号をアクティブにし、所定時間の間これを保持するステップと、
オートリフレッシュモードの間、ポンピング制御信号生成部を介して前記オートリフレッシュ感知信号に応答してポンピング制御信号をアクティブにし、前記所定時間の間これを保持するステップと、
前記ポンピング制御信号のアクティブの間、高電圧のレベルが上昇するステップと、
前記ローアクティブ信号によって生成された一定信号によって、高電圧のレベルが降下するステップと、
前記ローアクティブ信号のアクティブを感知した後、前記高電圧のレベルが平均レベル以下に降下する際、レベル感知信号をアクティブにするステップと、
ノーマル動作モードの間、ポンピング制御信号生成部を介して前記レベル感知信号に応答してポンピング制御信号をアクティブにするステップと、
オートリフレッシュモードの間、前記ポンピング制御信号に応答して電流消費が発生する前に前記高電圧のレベルをポンピングし、前記高電圧が平均レベル以下に降下することを防止し、高電圧のレベルを上昇させるステップと
を備えることを特徴とする高電圧供給方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2003-083324 | 2003-11-22 | ||
KR1020030083324A KR100587640B1 (ko) | 2003-11-22 | 2003-11-22 | 오토리프레쉬 동작 시에 안정적인 고전압을 제공하는반도체 메모리 소자 및 그를 위한 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005158224A JP2005158224A (ja) | 2005-06-16 |
JP4919587B2 true JP4919587B2 (ja) | 2012-04-18 |
Family
ID=34587984
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004194361A Expired - Fee Related JP4919587B2 (ja) | 2003-11-22 | 2004-06-30 | オートリフレッシュ動作時に安定した高電圧を提供する半導体メモリ素子及びその方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7042774B2 (ja) |
JP (1) | JP4919587B2 (ja) |
KR (1) | KR100587640B1 (ja) |
DE (1) | DE102004031451A1 (ja) |
TW (1) | TWI285372B (ja) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100596426B1 (ko) * | 2004-03-22 | 2006-07-06 | 주식회사 하이닉스반도체 | 반도체 소자에서의 고전압 발생 회로 및 그 방법 |
KR100642631B1 (ko) * | 2004-12-06 | 2006-11-10 | 삼성전자주식회사 | 전압 발생회로 및 이를 구비한 반도체 메모리 장치 |
KR100680441B1 (ko) * | 2005-06-07 | 2007-02-08 | 주식회사 하이닉스반도체 | 안정적인 승압 전압을 발생하는 승압 전압 발생기 |
KR100792364B1 (ko) * | 2005-09-29 | 2008-01-09 | 주식회사 하이닉스반도체 | 고전압 발생 장치 및 이를 포함하는 반도체 메모리 장치 |
US7573771B2 (en) | 2005-09-29 | 2009-08-11 | Hynix Semiconductor, Inc. | High voltage generator and semiconductor memory device |
KR100813527B1 (ko) * | 2006-04-06 | 2008-03-17 | 주식회사 하이닉스반도체 | 반도체 메모리의 내부 전압 발생 장치 |
KR100718046B1 (ko) | 2006-06-08 | 2007-05-14 | 주식회사 하이닉스반도체 | 반도체 메모리 장치 |
KR100900784B1 (ko) * | 2007-01-03 | 2009-06-02 | 주식회사 하이닉스반도체 | 반도체메모리소자 |
KR100920843B1 (ko) * | 2008-05-09 | 2009-10-08 | 주식회사 하이닉스반도체 | 반도체 메모리 장치의 오토리프레쉬 동작 제어회로 |
DE102008050055A1 (de) * | 2008-10-01 | 2010-04-08 | Qimonda Ag | Verfahren zur Refresh-Steuerung einer Speicheranordnung |
KR101053541B1 (ko) | 2010-03-30 | 2011-08-03 | 주식회사 하이닉스반도체 | 반도체 메모리 장치 |
KR102553181B1 (ko) * | 2016-07-12 | 2023-07-10 | 에스케이하이닉스 주식회사 | 메모리 장치 및 메모리 장치의 동작 방법 |
US10153032B1 (en) * | 2017-06-12 | 2018-12-11 | Nanya Technology Corporation | Pump system of a DRAM and method for operating the same |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08315570A (ja) * | 1995-05-15 | 1996-11-29 | Mitsubishi Electric Corp | 半導体記憶装置 |
JP4707244B2 (ja) * | 2000-03-30 | 2011-06-22 | ルネサスエレクトロニクス株式会社 | 半導体記憶装置および半導体装置 |
JP2001297584A (ja) * | 2000-04-13 | 2001-10-26 | Nec Corp | 半導体記憶装置の昇圧回路 |
JP3869690B2 (ja) * | 2000-07-25 | 2007-01-17 | Necエレクトロニクス株式会社 | 内部電圧レベル制御回路および半導体記憶装置並びにそれらの制御方法 |
KR100398575B1 (ko) | 2001-06-29 | 2003-09-19 | 주식회사 하이닉스반도체 | 반도체 메모리 장치의 고전압 발생회로 |
KR100479821B1 (ko) * | 2002-05-17 | 2005-03-30 | 주식회사 하이닉스반도체 | 반도체 메모리 장치의 리프레쉬 제어회로 및 리프레쉬 제어방법 |
US6778003B1 (en) * | 2003-04-30 | 2004-08-17 | Micron Technology, Inc. | Method and circuit for adjusting a voltage upon detection of a command applied to an integrated circuit |
-
2003
- 2003-11-22 KR KR1020030083324A patent/KR100587640B1/ko active IP Right Grant
-
2004
- 2004-06-28 TW TW093118726A patent/TWI285372B/zh not_active IP Right Cessation
- 2004-06-29 US US10/881,434 patent/US7042774B2/en active Active
- 2004-06-29 DE DE102004031451A patent/DE102004031451A1/de not_active Withdrawn
- 2004-06-30 JP JP2004194361A patent/JP4919587B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US7042774B2 (en) | 2006-05-09 |
TWI285372B (en) | 2007-08-11 |
KR100587640B1 (ko) | 2006-06-08 |
US20050111268A1 (en) | 2005-05-26 |
TW200518096A (en) | 2005-06-01 |
DE102004031451A1 (de) | 2005-06-23 |
JP2005158224A (ja) | 2005-06-16 |
KR20050049631A (ko) | 2005-05-27 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US7317648B2 (en) | Memory logic for controlling refresh operations | |
US20050254333A1 (en) | Internal voltage generator | |
KR100753048B1 (ko) | 반도체 메모리 장치의 주변영역 전압 발생 장치 | |
US7548468B2 (en) | Semiconductor memory and operation method for same | |
JP4919587B2 (ja) | オートリフレッシュ動作時に安定した高電圧を提供する半導体メモリ素子及びその方法 | |
US7633825B2 (en) | Semiconductor memory device with reduced current consumption | |
KR101092997B1 (ko) | 네거티브 내부전압 생성장치 | |
KR100780768B1 (ko) | 고전압 펌핑장치 | |
KR20020005485A (ko) | 반도체 메모리 장치 및 제어 방법 | |
JP4393163B2 (ja) | ノイズを減少させた電圧発生装置 | |
JP3869690B2 (ja) | 内部電圧レベル制御回路および半導体記憶装置並びにそれらの制御方法 | |
KR100378690B1 (ko) | 대기전류를감소시킨반도체메모리용고전원발생장치 | |
KR100929848B1 (ko) | 반도체 장치 | |
US6430092B2 (en) | Memory device with booting circuit capable of pre-booting before wordline selection | |
US7102425B2 (en) | High voltage generation circuit | |
KR100615097B1 (ko) | 반도체 메모리 장치 | |
US7660186B2 (en) | Memory clock generator having multiple clock modes | |
US7599240B2 (en) | Internal voltage generator of semiconductor memory device | |
US7652933B2 (en) | Voltage generating circuit of semiconductor memory apparatus capable of reducing power consumption | |
KR20140060684A (ko) | 반도체 메모리 장치의 오버 드라이브 펄스 및 컬럼 선택 펄스 생성 회로 | |
US7885126B2 (en) | Apparatus for controlling activation of semiconductor integrated circuit | |
KR101020289B1 (ko) | 셀프리프레쉬 테스트회로 | |
JP2004295970A (ja) | 半導体装置 | |
JP2010136573A (ja) | 昇圧電圧発生回路、負電圧発生回路および降圧電圧発生回路 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20061107 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20091126 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20091208 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20100308 |
|
A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20100310 |
|
A602 | Written permission of extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A602 Effective date: 20100311 |
|
A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20100615 |
|
A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20101014 |
|
A911 | Transfer of reconsideration by examiner before appeal (zenchi) |
Free format text: JAPANESE INTERMEDIATE CODE: A911 Effective date: 20101026 |
|
A912 | Removal of reconsideration by examiner before appeal (zenchi) |
Free format text: JAPANESE INTERMEDIATE CODE: A912 Effective date: 20101224 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20110418 |
|
A602 | Written permission of extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A602 Effective date: 20110421 |
|
A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20111213 |
|
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20120131 |
|
R150 | Certificate of patent or registration of utility model |
Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20150210 Year of fee payment: 3 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
LAPS | Cancellation because of no payment of annual fees |