JP5460093B2 - 半導体メモリの内部電源制御回路及び半導体装置 - Google Patents
半導体メモリの内部電源制御回路及び半導体装置 Download PDFInfo
- Publication number
- JP5460093B2 JP5460093B2 JP2009076405A JP2009076405A JP5460093B2 JP 5460093 B2 JP5460093 B2 JP 5460093B2 JP 2009076405 A JP2009076405 A JP 2009076405A JP 2009076405 A JP2009076405 A JP 2009076405A JP 5460093 B2 JP5460093 B2 JP 5460093B2
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- power supply
- internal power
- signal
- voltage
- 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
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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
- G11C5/147—Voltage reference generators, voltage or current regulators; Internally lowered supply levels; Compensation for voltage drops
-
- 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
- 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
-
- 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
- G11C7/00—Arrangements for writing information into, or reading information out from, a digital store
- G11C7/20—Memory cell initialisation circuits, e.g. when powering up or down, memory clear, latent image memory
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C8/00—Arrangements for selecting an address in a digital store
- G11C8/10—Decoders
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C2207/00—Indexing scheme relating to arrangements for writing information into, or reading information out from, a digital store
- G11C2207/22—Control and timing of internal memory operations
- G11C2207/2227—Standby or low power modes
Description
12 メモリセルアレイ
14 アドレスバッファ
16 ロウデコーダセレクタ
18 カラムデコーダ
20 BLセレクタ
22 センスアンプ
24 出力バッファ
26 内部電源制御回路
28 内部電源回路
30 スタートアップ回路
32 タイマーコントロール回路
34 周期信号発生回路
36 内部電源イネーブル信号発生回路
40 源振回路
42 分周器
44 リングオシレータ
46 遅延回路
50 基準電位発生回路
52A 第1の電圧発生回路
52B 第2の電圧発生回路
52C 第3の電圧発生回路
Claims (1)
- 半導体メモリの内部電源回路から前記半導体メモリの内部回路に常時電源が供給される通常動作モードから、前記通常動作モードよりも消費電力を抑えるスタンバイモードに移行した場合に、前記内部電源回路から前記内部回路への電源供給を予め定めた周期で間欠的に許可するための間欠許可信号を生成するための周期信号を発生する周期信号発生手段と、
前記通常動作モード及び前記スタンバイモードの何れかのモードを示すモード信号と、前記周期信号と、が入力され、入力された前記モード信号が前記スタンバイモードを示す場合に、前記周期信号に同期した前記間欠許可信号を前記内部電源回路に出力する間欠許可信号出力手段と、
電源が投入された後の所定期間は、前記スタンバイモードに移行する前に、前記内部電源回路から前記内部回路への前記電源の供給を連続的に許可する制御信号を出力するスタートアップ回路と、
を備え、
前記内部電源回路は、前記制御信号に応じて、前記所定期間、前記内部回路に対して連続的に電源を供給し、
前記周期信号発生手段は、直列接続された奇数個の反転論理素子から成る発振手段と、前記発振手段に入力される入力信号を遅延させる遅延回路と、を含むリングオシレータを含んで構成され、
前記遅延回路が、ドレイン及びソースの一方が前記発振手段の入力側に接続されたMOSトランジスタと、一端が前記MOSトランジスタのドレイン及びソースの他方に接続されると共に他端が前記MOSトランジスタのゲートに接続され、抵抗値を調整可能な可変抵抗素子と、を直列接続した回路を含む
半導体メモリの内部電源制御回路。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009076405A JP5460093B2 (ja) | 2009-03-26 | 2009-03-26 | 半導体メモリの内部電源制御回路及び半導体装置 |
US12/728,317 US8179738B2 (en) | 2009-03-26 | 2010-03-22 | Internal power supply control circuit of semiconductor memory |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009076405A JP5460093B2 (ja) | 2009-03-26 | 2009-03-26 | 半導体メモリの内部電源制御回路及び半導体装置 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013254962A Division JP5632064B2 (ja) | 2013-12-10 | 2013-12-10 | 電源制御回路 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010231832A JP2010231832A (ja) | 2010-10-14 |
JP5460093B2 true JP5460093B2 (ja) | 2014-04-02 |
Family
ID=42784070
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009076405A Expired - Fee Related JP5460093B2 (ja) | 2009-03-26 | 2009-03-26 | 半導体メモリの内部電源制御回路及び半導体装置 |
Country Status (2)
Country | Link |
---|---|
US (1) | US8179738B2 (ja) |
JP (1) | JP5460093B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5412190B2 (ja) * | 2009-06-29 | 2014-02-12 | ルネサスエレクトロニクス株式会社 | 半導体集積回路装置 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3510335B2 (ja) * | 1994-07-18 | 2004-03-29 | 株式会社ルネサステクノロジ | 半導体記憶装置、内部電源電圧発生回路、内部高電圧発生回路、中間電圧発生回路、定電流源、および基準電圧発生回路 |
JP2931776B2 (ja) * | 1995-08-21 | 1999-08-09 | 三菱電機株式会社 | 半導体集積回路 |
JP2730530B2 (ja) * | 1995-10-31 | 1998-03-25 | 日本電気株式会社 | 半導体集積回路及びその駆動方法 |
JPH09288897A (ja) * | 1996-04-19 | 1997-11-04 | Sony Corp | 電圧供給回路 |
JP2000105995A (ja) * | 1998-09-29 | 2000-04-11 | Texas Instr Inc <Ti> | 半導体記憶装置 |
JP2001093275A (ja) | 1999-09-20 | 2001-04-06 | Mitsubishi Electric Corp | 半導体集積回路装置 |
KR100413758B1 (ko) * | 2001-03-26 | 2003-12-31 | 삼성전자주식회사 | 지연 동기 루프를 구비하는 반도체 메모리 장치 |
KR100539254B1 (ko) * | 2004-03-13 | 2005-12-27 | 삼성전자주식회사 | 테스트용 스캔 체인을 이용한 반도체 장치의 슬립모드에서의 데이터 보존 회로 및 그 보존 방법 |
JP2007122814A (ja) * | 2005-10-28 | 2007-05-17 | Oki Electric Ind Co Ltd | 半導体集積回路及びリーク電流低減方法 |
JP2008004249A (ja) | 2006-05-24 | 2008-01-10 | Renesas Technology Corp | 半導体集積回路装置 |
-
2009
- 2009-03-26 JP JP2009076405A patent/JP5460093B2/ja not_active Expired - Fee Related
-
2010
- 2010-03-22 US US12/728,317 patent/US8179738B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US8179738B2 (en) | 2012-05-15 |
US20100246307A1 (en) | 2010-09-30 |
JP2010231832A (ja) | 2010-10-14 |
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