DE69737757D1 - System und Verfahren zur Speicher-Emulation - Google Patents
System und Verfahren zur Speicher-EmulationInfo
- Publication number
- DE69737757D1 DE69737757D1 DE69737757T DE69737757T DE69737757D1 DE 69737757 D1 DE69737757 D1 DE 69737757D1 DE 69737757 T DE69737757 T DE 69737757T DE 69737757 T DE69737757 T DE 69737757T DE 69737757 D1 DE69737757 D1 DE 69737757D1
- Authority
- DE
- Germany
- Prior art keywords
- memory emulation
- emulation
- memory
- 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 - Lifetime
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/22—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing
- G06F11/26—Functional testing
- G06F11/261—Functional testing by simulating additional hardware, e.g. fault simulation
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/30—Circuit design
- G06F30/32—Circuit design at the digital level
- G06F30/33—Design verification, e.g. functional simulation or model checking
- G06F30/3308—Design verification, e.g. functional simulation or model checking using simulation
- G06F30/331—Design verification, e.g. functional simulation or model checking using simulation with hardware acceleration, e.g. by using field programmable gate array [FPGA] or emulation
Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Quality & Reliability (AREA)
- Evolutionary Computation (AREA)
- Geometry (AREA)
- Test And Diagnosis Of Digital Computers (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US597197 | 1996-02-06 | ||
US08/597,197 US5819065A (en) | 1995-06-28 | 1996-02-06 | System and method for emulating memory |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69737757D1 true DE69737757D1 (de) | 2007-07-12 |
DE69737757T2 DE69737757T2 (de) | 2008-01-31 |
Family
ID=24390505
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69737757T Expired - Lifetime DE69737757T2 (de) | 1996-02-06 | 1997-02-05 | System und Verfahren zur Speicher-Emulation |
Country Status (4)
Country | Link |
---|---|
US (1) | US5819065A (de) |
EP (1) | EP0789311B1 (de) |
JP (1) | JP3995751B2 (de) |
DE (1) | DE69737757T2 (de) |
Families Citing this family (54)
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US6031842A (en) * | 1996-09-11 | 2000-02-29 | Mcdata Corporation | Low latency shared memory switch architecture |
US6141636A (en) * | 1997-03-31 | 2000-10-31 | Quickturn Design Systems, Inc. | Logic analysis subsystem in a time-sliced emulator |
US6173419B1 (en) * | 1998-05-14 | 2001-01-09 | Advanced Technology Materials, Inc. | Field programmable gate array (FPGA) emulator for debugging software |
US6279146B1 (en) | 1999-01-06 | 2001-08-21 | Simutech Corporation | Apparatus and method for verifying a multi-component electronic design |
JP3943277B2 (ja) * | 1999-03-23 | 2007-07-11 | セイコーエプソン株式会社 | マイクロコンピュータ及び電子機器 |
US6618698B1 (en) | 1999-08-12 | 2003-09-09 | Quickturn Design Systems, Inc. | Clustered processors in an emulation engine |
US6611796B1 (en) * | 1999-10-20 | 2003-08-26 | Texas Instruments Incorporated | Method and apparatus for combining memory blocks for in circuit emulation |
US6230114B1 (en) | 1999-10-29 | 2001-05-08 | Vast Systems Technology Corporation | Hardware and software co-simulation including executing an analyzed user program |
US6477624B1 (en) * | 1999-11-08 | 2002-11-05 | Ondotek, Inc. | Data image management via emulation of non-volatile storage device |
US7233998B2 (en) * | 2001-03-22 | 2007-06-19 | Sony Computer Entertainment Inc. | Computer architecture and software cells for broadband networks |
TWI220192B (en) * | 2001-11-06 | 2004-08-11 | Mediatek Inc | Memory access method and apparatus in ICE system |
US20030188278A1 (en) * | 2002-03-26 | 2003-10-02 | Carrie Susan Elizabeth | Method and apparatus for accelerating digital logic simulations |
US6871328B1 (en) * | 2002-11-14 | 2005-03-22 | Altera Corporation | Method for mapping logic design memory into physical memory device of a programmable logic device |
US7440884B2 (en) * | 2003-01-23 | 2008-10-21 | Quickturn Design Systems, Inc. | Memory rewind and reconstruction for hardware emulator |
US8145469B2 (en) * | 2005-04-06 | 2012-03-27 | Quickturn Design Systems, Inc. | System and method for providing compact mapping between dissimilar memory systems |
US7577558B2 (en) * | 2005-04-06 | 2009-08-18 | Quickturn Design Systems, Inc. | System and method for providing compact mapping between dissimilar memory systems |
ATE367607T1 (de) * | 2005-05-02 | 2007-08-15 | Accemic Gmbh & Co Kg | Verfahren und vorrichtung zur emulation einer programmierbaren einheit |
US8335894B1 (en) | 2008-07-25 | 2012-12-18 | Google Inc. | Configurable memory system with interface circuit |
US20080082763A1 (en) | 2006-10-02 | 2008-04-03 | Metaram, Inc. | Apparatus and method for power management of memory circuits by a system or component thereof |
US8244971B2 (en) | 2006-07-31 | 2012-08-14 | Google Inc. | Memory circuit system and method |
US9507739B2 (en) | 2005-06-24 | 2016-11-29 | Google Inc. | Configurable memory circuit system and method |
US8055833B2 (en) | 2006-10-05 | 2011-11-08 | Google Inc. | System and method for increasing capacity, performance, and flexibility of flash storage |
US8041881B2 (en) | 2006-07-31 | 2011-10-18 | Google Inc. | Memory device with emulated characteristics |
US8130560B1 (en) | 2006-11-13 | 2012-03-06 | Google Inc. | Multi-rank partial width memory modules |
US8386722B1 (en) | 2008-06-23 | 2013-02-26 | Google Inc. | Stacked DIMM memory interface |
US8796830B1 (en) | 2006-09-01 | 2014-08-05 | Google Inc. | Stackable low-profile lead frame package |
US7386656B2 (en) | 2006-07-31 | 2008-06-10 | Metaram, Inc. | Interface circuit system and method for performing power management operations in conjunction with only a portion of a memory circuit |
US9171585B2 (en) | 2005-06-24 | 2015-10-27 | Google Inc. | Configurable memory circuit system and method |
US20080028136A1 (en) | 2006-07-31 | 2008-01-31 | Schakel Keith R | Method and apparatus for refresh management of memory modules |
US10013371B2 (en) | 2005-06-24 | 2018-07-03 | Google Llc | Configurable memory circuit system and method |
US8060774B2 (en) | 2005-06-24 | 2011-11-15 | Google Inc. | Memory systems and memory modules |
US8397013B1 (en) | 2006-10-05 | 2013-03-12 | Google Inc. | Hybrid memory module |
US8438328B2 (en) | 2008-02-21 | 2013-05-07 | Google Inc. | Emulation of abstracted DIMMs using abstracted DRAMs |
US8089795B2 (en) | 2006-02-09 | 2012-01-03 | Google Inc. | Memory module with memory stack and interface with enhanced capabilities |
US8081474B1 (en) | 2007-12-18 | 2011-12-20 | Google Inc. | Embossed heat spreader |
US7609567B2 (en) | 2005-06-24 | 2009-10-27 | Metaram, Inc. | System and method for simulating an aspect of a memory circuit |
US9542352B2 (en) | 2006-02-09 | 2017-01-10 | Google Inc. | System and method for reducing command scheduling constraints of memory circuits |
US8169233B2 (en) | 2009-06-09 | 2012-05-01 | Google Inc. | Programming of DIMM termination resistance values |
US8359187B2 (en) | 2005-06-24 | 2013-01-22 | Google Inc. | Simulating a different number of memory circuit devices |
US8090897B2 (en) | 2006-07-31 | 2012-01-03 | Google Inc. | System and method for simulating an aspect of a memory circuit |
US8327104B2 (en) | 2006-07-31 | 2012-12-04 | Google Inc. | Adjusting the timing of signals associated with a memory system |
US8111566B1 (en) | 2007-11-16 | 2012-02-07 | Google, Inc. | Optimal channel design for memory devices for providing a high-speed memory interface |
US8077535B2 (en) | 2006-07-31 | 2011-12-13 | Google Inc. | Memory refresh apparatus and method |
GB2444663B (en) * | 2005-09-02 | 2011-12-07 | Metaram Inc | Methods and apparatus of stacking drams |
US7493519B2 (en) * | 2005-10-24 | 2009-02-17 | Lsi Corporation | RRAM memory error emulation |
US9632929B2 (en) | 2006-02-09 | 2017-04-25 | Google Inc. | Translating an address associated with a command communicated between a system and memory circuits |
US7555424B2 (en) | 2006-03-16 | 2009-06-30 | Quickturn Design Systems, Inc. | Method and apparatus for rewinding emulated memory circuits |
JP5043500B2 (ja) * | 2006-05-12 | 2012-10-10 | 三星電子株式会社 | 状態回復を有する回路エミュレーション |
KR101282963B1 (ko) * | 2006-05-12 | 2013-07-08 | 삼성전자주식회사 | 에뮬레이션 시스템 및 그 방법 |
US8080874B1 (en) | 2007-09-14 | 2011-12-20 | Google Inc. | Providing additional space between an integrated circuit and a circuit board for positioning a component therebetween |
US20100161308A1 (en) * | 2008-12-22 | 2010-06-24 | Unity Semiconductor Corporation | Multi-structured memory |
US8595683B1 (en) | 2012-04-12 | 2013-11-26 | Cadence Design Systems, Inc. | Generating user clocks for a prototyping environment |
US11487925B1 (en) | 2021-07-02 | 2022-11-01 | Changxin Memory Technologies, Inc. | Simulation method, apparatus, and device, and storage medium |
CN115563909A (zh) * | 2021-07-02 | 2023-01-03 | 长鑫存储技术有限公司 | 仿真方法、装置、设备及存储介质 |
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US3955180A (en) * | 1974-01-02 | 1976-05-04 | Honeywell Information Systems Inc. | Table driven emulation system |
US4277827A (en) * | 1979-01-02 | 1981-07-07 | Texas Instruments Incorporated | Microprocessor based system for the development and emulation of programmable calculator control read only memory software |
US4281392A (en) * | 1979-05-01 | 1981-07-28 | Allen-Bradley Company | Memory circuit for programmable machines |
US4306286A (en) * | 1979-06-29 | 1981-12-15 | International Business Machines Corporation | Logic simulation machine |
US4357678A (en) * | 1979-12-26 | 1982-11-02 | International Business Machines Corporation | Programmable sequential logic array mechanism |
US4400794A (en) * | 1981-11-17 | 1983-08-23 | Burroughs Corporation | Memory mapping unit |
US4656580A (en) * | 1982-06-11 | 1987-04-07 | International Business Machines Corporation | Logic simulation machine |
US4527249A (en) * | 1982-10-22 | 1985-07-02 | Control Data Corporation | Simulator system for logic design validation |
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US4769817A (en) * | 1986-01-31 | 1988-09-06 | Zycad Corporation | Concurrent fault simulation for logic designs |
JPH0731615B2 (ja) * | 1986-04-18 | 1995-04-10 | 日本電気株式会社 | 情報処理装置 |
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US5025364A (en) * | 1987-06-29 | 1991-06-18 | Hewlett-Packard Company | Microprocessor emulation system with memory mapping using variable definition and addressing of memory space |
JP2589713B2 (ja) * | 1987-11-20 | 1997-03-12 | 株式会社日立製作所 | データプロセッサ及びデータ処理システム |
US4868822A (en) * | 1988-02-19 | 1989-09-19 | John Fluke Mfg. Co., Inc. | Memory emulation method and system for testing and troubleshooting microprocessor-based electronic systems |
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US5515525A (en) * | 1993-09-28 | 1996-05-07 | Bull Hn Information Systems Inc. | Emulating the memory functions of a first system on a second system |
US5640542A (en) * | 1993-10-29 | 1997-06-17 | Intel Corporation | On-chip in-circuit-emulator memory mapping and breakpoint register modules |
US5473765A (en) * | 1994-01-24 | 1995-12-05 | 3Com Corporation | Apparatus for using flash memory as a floppy disk emulator in a computer system |
US5448522A (en) * | 1994-03-24 | 1995-09-05 | Quickturn Design Systems, Inc. | Multi-port memory emulation using tag registers |
US5551013A (en) * | 1994-06-03 | 1996-08-27 | International Business Machines Corporation | Multiprocessor for hardware emulation |
-
1996
- 1996-02-06 US US08/597,197 patent/US5819065A/en not_active Expired - Lifetime
-
1997
- 1997-02-05 DE DE69737757T patent/DE69737757T2/de not_active Expired - Lifetime
- 1997-02-05 EP EP97101802A patent/EP0789311B1/de not_active Expired - Lifetime
- 1997-02-06 JP JP05975397A patent/JP3995751B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US5819065A (en) | 1998-10-06 |
EP0789311A3 (de) | 2001-03-28 |
EP0789311A2 (de) | 1997-08-13 |
EP0789311B1 (de) | 2007-05-30 |
JPH1055288A (ja) | 1998-02-24 |
JP3995751B2 (ja) | 2007-10-24 |
DE69737757T2 (de) | 2008-01-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |