KR100899517B1 - 반도체 기억 장치 - Google Patents
반도체 기억 장치 Download PDFInfo
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- KR100899517B1 KR100899517B1 KR1020070048041A KR20070048041A KR100899517B1 KR 100899517 B1 KR100899517 B1 KR 100899517B1 KR 1020070048041 A KR1020070048041 A KR 1020070048041A KR 20070048041 A KR20070048041 A KR 20070048041A KR 100899517 B1 KR100899517 B1 KR 100899517B1
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- 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
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- 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
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- 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
- G11C11/40615—Internal triggering or timing of refresh, e.g. hidden refresh, self refresh, pseudo-SRAMs
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- 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
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- 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
- G11C11/4076—Timing circuits
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- 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
- G11C11/408—Address circuits
- G11C11/4085—Word line control circuits, e.g. word line drivers, - boosters, - pull-up, - pull-down, - precharge
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- 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
- G11C5/143—Detection of memory cassette insertion or removal; Continuity checks of supply or ground lines; Detection of supply variations, interruptions or levels ; Switching between alternative supplies
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- 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
- G11C5/145—Applications of charge pumps; Boosted voltage circuits; Clamp circuits therefor
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- 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
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C2211/00—Indexing scheme relating to digital stores characterized by the use of particular electric or magnetic storage elements; Storage elements therefor
- G11C2211/401—Indexing scheme relating to cells needing refreshing or charge regeneration, i.e. dynamic cells
- G11C2211/406—Refreshing of dynamic cells
- G11C2211/4067—Refresh in standby or low power modes
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Dram (AREA)
- Dc-Dc Converters (AREA)
Abstract
Description
Claims (10)
- 워드선을 포함하는 DRAM 메모리 코어 회로와,제1 상태와 제2 상태 중 어느 하나 선택된 한쪽에서 동작함으로써 소정의 전원 전압을 생성하여 상기 DRAM 메모리 코어 회로에 공급하고, 상기 제2 상태에서보다도 상기 제1 상태에서의 쪽이 보다 큰 전류를 소비하는 전원 회로와,상기 DRAM 메모리 코어 회로의 상기 워드선이 활성화되고 나서 비활성화될 때까지의 기간인 워드선이 활성화되어 있는 기간에 상기 전원 회로를 상기 제1 상태로부터 상기 제2 상태로 이행시키고 다시 상기 제1 상태로 되돌리도록 상기 전원 회로를 제어하는 제어 회로를 포함하는 것을 특징으로 하는 반도체 기억 장치.
- 제1항에 있어서,상기 반도체 기억 장치는 SRAM 호환의 입출력 인터페이스를 갖고, 상기 제어 회로는, 기입 동작에서 상기 DRAM 메모리 코어 회로의 상기 워드선이 활성화되고 나서 비활성화될 때까지의 기간인 워드선이 활성화되어 있는 기간에 상기 전원 회로를 상기 제1 상태로부터 상기 제2 상태로 이행시키고 다시 상기 제1 상태로 되돌리도록 상기 전원 회로를 제어함과 함께, 판독 동작 및 리프레시 동작에서 상기 DRAM 메모리 코어 회로의 상기 워드선이 활성화되고 나서 비활성화될 때까지의 기간에 상기 전원 회로가 상기 제1 상태로 유지되도록 상기 전원 회로를 제어하는 것을 특징으로 하는 반도체 기억 장치.
- 제1항에 있어서,상기 제어 회로는, 기입 동작 및 판독 동작에서 상기 DRAM 메모리 코어 회로의 상기 워드선이 활성화되고 나서 비활성화될 때까지의 기간인 워드선이 활성화되어 있는 기간에 상기 전원 회로를 상기 제1 상태로부터 상기 제2 상태로 이행시키고 다시 상기 제1 상태로 되돌리도록 상기 전원 회로를 제어함과 함께, 리프레시 동작에서 상기 DRAM 메모리 코어 회로의 상기 워드선이 활성화되고 나서 비활성화될 때까지의 기간에 상기 전원 회로가 상기 제1 상태로 유지되도록 상기 전원 회로를 제어하는 것을 특징으로 하는 반도체 기억 장치.
- 제1항에 있어서,상기 전원 회로는 상기 제2 상태에서보다도 상기 제1 상태에서의 쪽이 상기 전원 전압의 변동에 대하여 보다 신속하게 응답하여 상기 전원 전압을 보다 신속하게 소정값으로 회복시키도록 구성되는 것을 특징으로 하는 반도체 기억 장치.
- 제1항에 있어서,상기 전원 회로는,상기 전원 전압의 레벨에 응답하여 출력을 변화시키는 검출 회로와,상기 검출 회로의 출력에 응답하여 발진 신호를 출력하는 오실레이터 회로와,상기 오실레이터 회로의 발진 신호에 따라서 상기 전원 전압을 생성하는 펌 프 회로를 포함하고,상기 검출 회로는, 상기 제2 상태에서보다도 상기 제1 상태에서의 쪽이 보다 큰 전류를 소비함과 함께 응답 속도가 보다 빠르고, 상기 오실레이터 회로는 상기 제2 상태에서보다도 상기 제1 상태에서의 쪽이 보다 큰 전류를 소비함과 함께 상기 발진 신호의 발진 주기가 보다 짧은 것을 특징으로 하는 반도체 기억 장치.
- 제5항에 있어서,상기 검출 회로는,제1 전류를 소비하고 제1 응답 속도를 갖는 제1 검출기와,제2 전류를 소비하고 제2 응답 속도를 갖는 제2 검출기를 포함하고,상기 오실레이터 회로는,상기 제1 검출기의 출력에 응답하여 제1 발진 신호를 출력하는 제1 오실레이터와,상기 제2 검출기의 출력에 응답하여 제2 발진 신호를 출력하는 제2 오실레이터와,상기 제1 발진 신호와 상기 제2 발진 신호 중 어느 한쪽을 선택하여 출력하는 셀렉터를 포함하는 것을 특징으로 하는 반도체 기억 장치.
- 제1항에 있어서,상기 제어 회로는, 상기 DRAM 메모리 코어 회로의 센스 앰프를 활성화하는 센스 앰프 활성화 신호에 응답하여 상기 전원 회로를 상기 제1 상태로부터 상기 제2 상태로 이행시키는 것을 특징으로 하는 반도체 기억 장치.
- 제7항에 있어서,상기 제어 회로는, 상기 센스 앰프 활성화 신호의 어서트로부터 소정의 지연 시간 후에 상기 전원 회로를 상기 제1 상태로부터 상기 제2 상태로 이행시키는 것을 특징으로 하는 반도체 기억 장치.
- 제8항에 있어서,상기 제어 회로는, 상기 센스 앰프 활성화 신호의 어서트로부터 상기 소정의 지연 시간이 경과하기 전에 상기 DRAM 메모리 코어 회로의 컬럼 선택선을 활성화하는 컬럼 선택선 활성화 신호가 활성화되면, 상기 전원 회로를 상기 제2 상태로 이행시키지 않고 상기 제1 상태로 유지하는 것을 특징으로 하는 반도체 기억 장치.
- 제1항에 있어서,상기 제어 회로는, 상기 DRAM 메모리 코어 회로의 컬럼 선택선을 활성화하는 컬럼 선택선 활성화 신호에 응답하여 상기 전원 회로를 상기 제2 상태로부터 상기 제1 상태로 되돌리는 것을 특징으로 하는 반도체 기억 장치.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006139055A JP5261888B2 (ja) | 2006-05-18 | 2006-05-18 | 半導体記憶装置 |
JPJP-P-2006-00139055 | 2006-05-18 |
Publications (2)
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KR20070112018A KR20070112018A (ko) | 2007-11-22 |
KR100899517B1 true KR100899517B1 (ko) | 2009-05-27 |
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KR1020070048041A KR100899517B1 (ko) | 2006-05-18 | 2007-05-17 | 반도체 기억 장치 |
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US (1) | US7633825B2 (ko) |
EP (1) | EP1858026A1 (ko) |
JP (1) | JP5261888B2 (ko) |
KR (1) | KR100899517B1 (ko) |
CN (1) | CN101075479B (ko) |
TW (1) | TWI348703B (ko) |
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JP5261888B2 (ja) | 2006-05-18 | 2013-08-14 | 富士通セミコンダクター株式会社 | 半導体記憶装置 |
JP5116787B2 (ja) * | 2009-03-05 | 2013-01-09 | 住友重機械工業株式会社 | ハイブリッド型作業機械 |
CN103971729B (zh) * | 2013-01-30 | 2016-12-28 | 旺宏电子股份有限公司 | 偏压提供电路、存储区段控制器与存储器电路 |
KR20160002106A (ko) * | 2014-06-30 | 2016-01-07 | 에스케이하이닉스 주식회사 | 반도체 메모리 장치 및 그의 동작방법 |
CN105810233B (zh) * | 2014-12-31 | 2018-05-15 | 北京兆易创新科技股份有限公司 | 一种低功耗存储器的装置和方法 |
US10199090B2 (en) * | 2016-09-21 | 2019-02-05 | Apple Inc. | Low active power write driver with reduced-power boost circuit |
CN107195322A (zh) * | 2017-07-11 | 2017-09-22 | 高科创芯(北京)科技有限公司 | 一种基于忆阻器的动态电源管理系统 |
CN110905309B (zh) * | 2019-11-18 | 2021-09-17 | 北京新能源汽车股份有限公司 | 电子锁的控制系统、方法和车辆 |
CN115603713B (zh) * | 2022-12-01 | 2023-04-04 | 深圳市恒运昌真空技术有限公司 | 一种脉冲信号处理方法、装置及匹配电路 |
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JP4330516B2 (ja) * | 2004-08-04 | 2009-09-16 | パナソニック株式会社 | 半導体記憶装置 |
JP5261888B2 (ja) | 2006-05-18 | 2013-08-14 | 富士通セミコンダクター株式会社 | 半導体記憶装置 |
-
2006
- 2006-05-18 JP JP2006139055A patent/JP5261888B2/ja not_active Expired - Fee Related
-
2007
- 2007-05-11 TW TW096116870A patent/TWI348703B/zh not_active IP Right Cessation
- 2007-05-14 EP EP07108186A patent/EP1858026A1/en not_active Withdrawn
- 2007-05-15 US US11/798,629 patent/US7633825B2/en not_active Expired - Fee Related
- 2007-05-17 KR KR1020070048041A patent/KR100899517B1/ko active IP Right Grant
- 2007-05-18 CN CN2007101033144A patent/CN101075479B/zh not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20020008547A1 (en) * | 2000-07-21 | 2002-01-24 | Hiroki Shimano | Semiconductor integrated circuit |
US20040232451A1 (en) * | 2001-06-05 | 2004-11-25 | Hiroyuki Takahashi | Semiconductor storage device |
KR20070000959A (ko) * | 2005-06-27 | 2007-01-03 | 후지쯔 가부시끼가이샤 | 전압 공급 회로 및 반도체 메모리 |
US7251169B2 (en) | 2005-06-27 | 2007-07-31 | Fujitsu Limited | Voltage supply circuit and semiconductor memory |
Also Published As
Publication number | Publication date |
---|---|
JP2007310963A (ja) | 2007-11-29 |
US20070268769A1 (en) | 2007-11-22 |
JP5261888B2 (ja) | 2013-08-14 |
CN101075479A (zh) | 2007-11-21 |
TW200744101A (en) | 2007-12-01 |
EP1858026A1 (en) | 2007-11-21 |
TWI348703B (en) | 2011-09-11 |
US7633825B2 (en) | 2009-12-15 |
KR20070112018A (ko) | 2007-11-22 |
CN101075479B (zh) | 2012-05-16 |
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