KR100920288B1 - 반도체 장치 - Google Patents
반도체 장치 Download PDFInfo
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- KR100920288B1 KR100920288B1 KR1020090040166A KR20090040166A KR100920288B1 KR 100920288 B1 KR100920288 B1 KR 100920288B1 KR 1020090040166 A KR1020090040166 A KR 1020090040166A KR 20090040166 A KR20090040166 A KR 20090040166A KR 100920288 B1 KR100920288 B1 KR 100920288B1
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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
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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
- G11C11/41—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 static cells with positive feedback, i.e. cells not needing refreshing or charge regeneration, e.g. bistable multivibrator or Schmitt trigger
- G11C11/413—Auxiliary circuits, e.g. for addressing, decoding, driving, writing, sensing, timing or power reduction
- G11C11/417—Auxiliary circuits, e.g. for addressing, decoding, driving, writing, sensing, timing or power reduction for memory cells of the field-effect type
- G11C11/419—Read-write [R-W] 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
- G11C11/4074—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
- G11C11/41—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 static cells with positive feedback, i.e. cells not needing refreshing or charge regeneration, e.g. bistable multivibrator or Schmitt trigger
- G11C11/412—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 static cells with positive feedback, i.e. cells not needing refreshing or charge regeneration, e.g. bistable multivibrator or Schmitt trigger using field-effect transistors only
- G11C11/4125—Cells incorporating circuit means for protecting against loss of information
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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
- G11C11/41—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 static cells with positive feedback, i.e. cells not needing refreshing or charge regeneration, e.g. bistable multivibrator or Schmitt trigger
- G11C11/413—Auxiliary circuits, e.g. for addressing, decoding, driving, writing, sensing, timing or power reduction
- G11C11/417—Auxiliary circuits, e.g. for addressing, decoding, driving, writing, sensing, timing or power reduction for memory cells of the field-effect type
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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
- G11C5/146—Substrate bias generators
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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
- G11C5/147—Voltage reference generators, voltage or current regulators; Internally lowered supply levels; Compensation for voltage drops
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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
- G11C7/10—Input/output [I/O] data interface arrangements, e.g. I/O data control circuits, I/O data buffers
- G11C7/1015—Read-write modes for single port memories, i.e. having either a random port or a serial port
- G11C7/1045—Read-write mode select circuits
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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
- G11C2207/00—Indexing scheme relating to arrangements for writing information into, or reading information out from, a digital store
- G11C2207/10—Aspects relating to interfaces of memory device to external buses
- G11C2207/104—Embedded memory devices, e.g. memories with a processing device on the same die or ASIC memory designs
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- 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
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Static Random-Access Memory (AREA)
- Semiconductor Memories (AREA)
- Memory System (AREA)
- Dram (AREA)
Abstract
Description
Claims (17)
- 복수의 제1 래치 셀을 포함하는 제1 회로;복수의 제2 래치 셀을 포함하는 제2 회로;로직 회로;상기 제1회로, 상기 제2 회로 및 상기 로직 회로에 결합되는 버스;상기 제1 회로, 상기 제2 회로 및 상기 로직 회로에 제1 전압을 공급하는 제1 전원선; 및상기 제1 회로와 상기 제1 전원선 사이에 연결된 제1 스위치 회로를 포함하고,상기 제2 회로는 상기 제1 전원선에 연결되고,상기 제1 스위치 회로에 의해 상기 복수의 제1 래치 셀로의 상기 제1 전압의 전원 공급이 차단되는 동안, 상기 복수의 제2 래치 셀이 상기 제1 전원선으로부터의 상기 제1 전압을 공급받는 반도체 장치.
- 제1항에 있어서,상기 제1 래치 셀과 상기 제2 래치 셀은 제1 인버터 및 제2 인버터를 포함하고,상기 제1 인버터의 출력은 상기 제2 인버터의 입력에 접속되고,상기 제2 인버터의 출력은 상기 제1 인버터의 입력에 접속되는 반도체 장치.
- 제1항에 있어서,상기 복수의 제2 래치 셀의 MIS 트랜지스터들의 기판 전압을 제어하는 제어 회로를 더 포함하는 반도체 장치.
- 제3항에 있어서,상기 제1 스위치 회로가 오프(off) 상태에 있는 동안, 상기 제어 회로는 상기 복수의 제2 래치 셀의 MIS 트랜지스터들의 누설 전류를 저감하도록 상기 기판 전압을 제어하는 반도체 장치.
- 제1항에 있어서,상기 제1 스위치 회로가 오프(off) 상태로 변경되기 이전에 상기 복수의 제1 래치 셀에 유지된 정보의 일부가 상기 버스를 통하여 상기 복수의 제2 래치 셀로 전송되는 반도체 장치.
- 복수의 제1 SRAM 셀을 포함하는 제1 메모리 회로;복수의 제2 SRAM 셀을 포함하는 제2 메모리 회로;로직 회로;상기 제1 메모리 회로, 상기 제2 메모리 회로 및 상기 로직 회로에 결합되는 버스;상기 제1 메모리 회로, 상기 제2 메모리 회로 및 상기 로직 회로에 제1 전압을 공급하는 제1 전원선; 및상기 제1 메모리 회로와 상기 제1 전원선 사이에 연결된 제1 스위치 회로를 포함하고,상기 제2 메모리 회로는 상기 제1 전원선에 연결되고,상기 제1 스위치 회로에 의해 상기 복수의 제1 SRAM 셀로의 상기 제1 전압의 전원 공급이 차단되는 동안, 상기 복수의 제2 SRAM 셀이 상기 제1 전원선으로부터의 상기 제1 전압을 공급받는 반도체 장치.
- 제6항에 있어서,상기 복수의 제2 SRAM 셀의 MIS 트랜지스터들의 기판 전압을 제어하는 제어 회로를 더 포함하는 반도체 장치.
- 제7항에 있어서,상기 제어 회로는 상기 제1 메모리 회로에 연결되지 않는 반도체 장치.
- 제7항에 있어서,상기 제1 스위치 회로가 오프 상태에 있는 동안, 상기 제어 회로는 상기 복수의 제2 SRAM 셀의 MIS 트랜지스터들의 누설 전류를 저감하도록 상기 기판 전압을 제어하는 반도체 장치.
- 제6항에 있어서,상기 제1 스위치 회로가 오프 상태로 변경되기 이전에 상기 복수의 제1 SRAM 셀에 유지된 정보의 일부가 상기 버스를 통하여 상기 복수의 제2 SRAM 셀로 전송되는 반도체 장치.
- 제6항에 있어서,상기 복수의 제1 SRAM 셀의 MIS 트랜지스터들 각각의 임계치 전압은 상기 복수의 제2 SRAM 셀의 MIS 트랜지스터들 각각의 임계치 전압보다 작은 반도체 장치.
- 제11항에 있어서,상기 복수의 제1 SRAM 셀의 MIS 트랜지스터들 각각의 게이트 절연막 두께는 상기 복수의 제2 SRAM 셀의 MIS 트랜지스터들 각각의 게이트 절연막 두께보다 작은 반도체 장치.
- 제6항에 있어서,상기 복수의 제1 SRAM 셀의 MIS 트랜지스터들 각각의 게이트 절연막 두께는 상기 복수의 제2 SRAM 셀의 MIS 트랜지스터들 각각의 게이트 절연막 두께보다 작은 반도체 장치.
- 제6항에 있어서,상기 제1 전원선과 상기 로직 회로 간에 결합되는 제2 스위치를 포함하고,상기 제1 스위치 회로가 오프 상태에 있는 동안 상기 제2 스위치 회로는 오프 상태에 있는 반도체 장치.
- 제1항에 있어서,상기 제1 스위치는 상기 반도체 장치의 외부로부터 입력되는 신호에 의해 차단되는 반도체 장치.
- 제5항에 있어서,상기 제1회로에 포함되는 상기 복수의 제1 래치 셀의 수는 상기 제2 회로에 포함되는 상기 복수의 제2 래치 셀의 수보다 작은 반도체 장치.
- 제6항에 있어서,상기 제1 메모리 회로에 포함된 메모리 셀의 수는 상기 제2 메모리 회로에 포함된 메모리 셀의 수보다 작은 반도체 장치.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JPJP-P-2001-324357 | 2001-10-23 | ||
JP2001324357A JP2003132683A (ja) | 2001-10-23 | 2001-10-23 | 半導体装置 |
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KR1020020064452A Division KR20030033959A (ko) | 2001-10-23 | 2002-10-22 | 반도체 장치 |
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KR20090053887A KR20090053887A (ko) | 2009-05-28 |
KR100920288B1 true KR100920288B1 (ko) | 2009-10-08 |
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KR1020020064452A KR20030033959A (ko) | 2001-10-23 | 2002-10-22 | 반도체 장치 |
KR1020090040166A KR100920288B1 (ko) | 2001-10-23 | 2009-05-08 | 반도체 장치 |
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KR1020020064452A KR20030033959A (ko) | 2001-10-23 | 2002-10-22 | 반도체 장치 |
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US (13) | US6657911B2 (ko) |
JP (1) | JP2003132683A (ko) |
KR (2) | KR20030033959A (ko) |
CN (6) | CN101488366B (ko) |
TW (1) | TWI226639B (ko) |
Cited By (1)
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Cited By (3)
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US9804645B2 (en) | 2012-01-23 | 2017-10-31 | Semiconductor Energy Laboratory Co., Ltd. | Systems and methods for individually controlling power supply voltage to circuits in a semiconductor device |
US11209880B2 (en) | 2012-01-23 | 2021-12-28 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor device |
US11934243B2 (en) | 2012-01-23 | 2024-03-19 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor device |
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