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Topic: Static random access memory


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In the News (Sun 15 Nov 09)

  
  What is SRAM? - a definition from Whatis.com - see also: static random access memory
SRAM (static RAM) is random access memory (RAM) that retains data bits in its memory as long as power is being supplied.
Unlike dynamic RAM (DRAM), which stores bits in cells consisting of a capacitor and a transistor, SRAM does not have to be periodically refreshed.
SRAM is used for a computer's cache memory and as part of the random access memory digital-to-analog converter on a video card.
searchsmb.techtarget.com /sDefinition/0,,sid44_gci214231,00.html   (179 words)

  
 Quasi-static random access memory - Patent 6975532
A quasi-static random access memory cell as set forth in claim 1, further comprising a bitline conditioning circuit for conditioning the bitline and bitline complement.
A quasi-static random access memory cell as set forth in claim 5, where said bitline conditioning circuit precharges the bitline and the bitline complement.
A further object of the present invention is the provision of a quasi-static random access memory which eliminates READ mode operation instability caused by random mismatches of threshold voltages between devices comprising the memory.
www.freepatentsonline.com /6975532.html   (3898 words)

  
 Howstuffworks "How RAM Works"
SAM works very well for memory buffers, where the data is normally stored in the order in which it will be used (a good example is the texture buffer memory on a video card).
In the most common form of computer memory, dynamic random access memory (DRAM), a transistor and a capacitor are paired to create a memory cell, which represents a single bit of data.
Memory cells are etched onto a silicon wafer in an array of columns (bitlines) and rows (wordlines).
computer.howstuffworks.com /ram.htm   (830 words)

  
 SRAM: Static random access memory   (Site not responding. Last check: 2007-10-13)
Static random access memory (SRAM) is a type of memory faster and more reliable than the more common DRAM (dynamic RAM).
Fast SRAM is used where speed is the most important requirement, as in the cache of a CPU and in digital signal processing circuits.
SRAM is less dense than DRAM (fewer bits per unit area) and is therefore not suitable for high-capacity, low-cost applications such as PC extended memory.
www.javvin.com /hardware/SRAM.html   (118 words)

  
 Static random access memory - Wikipedia, the free encyclopedia
The word "static" indicates that the memory retains its contents as long as power remains applied, unlike dynamic RAM (DRAM) that needs to be periodically refreshed.
SRAM is faster than DRAM and is used where speed is the prime requirement such as in CPU caches and router buffers.
SRAM is both fast to access, and easy to control by a microprocessor (CPU).
en.wikipedia.org /wiki/Static_random_access_memory   (1141 words)

  
 Random Access Memory
The time it takes a CPU to access information stored in RAM is measured in nanoseconds, abbreviated "ns." A nanosecond is a millionth of a second.
SRAM, which stands for Static Random Access Memory, is much faster, boasting access times in the 5- to 20-nanosecond range.
Because it's very expensive, SRAM is primarily used for the memory cache of your computer's CPU, where quick access times are much more important.
tms.ecol.net /computer/pram.htm   (583 words)

  
 Cross-coupled inverters static random access memory - United States Patent 4,536,859
A method of transferring data to and from a static random access memory cell on a single data line under control of a single transistor means for controlling the transfer of said data, said single transistor means having a control terminal connected to a single word line selectively supplying a control signal comprising:
The present invention relates to a static random access memory (referred to as RAM hereinbelow) and, more particularly, to a static RAM in which a pair of inverters are cross-coupled to form a memory element of a flip-flop.
Briefly described, in accordance with the present invention, a static RAM comprises a pair of inverters cross-coupled to form a flip-flop as a data memory element, an MOS transistor coupled between the flip-flop and a data line for reading/writing data, and a word line provided for a gate line for the MOS transistor.
xrint.com /patents/us/4536859   (3463 words)

  
 Zimmerman Reed - Static Random Access Memory SRAM Lawsuit   (Site not responding. Last check: 2007-10-13)
SRAM stands for "Static Random Access Memory" and is a type of semiconductor memory that is faster and more reliable than the more common DRAM.
SRAM chips are used for a variety of applications including computers, cell phones and other handheld devices, and game consoles.
If you purchased a SRAM chip, and did not purchase it for resale, you may have a right to a refund for your purchases during specific dates.
www.zimmreed.com /sram-lawsuit   (259 words)

  
 Memory
SRAM (Static Random Access Memory) is faster than DRAM and less volatile, but it requires more power and is a little more expensive.
During the early part of the 1980's personal computer memory primarily of memory chips in dual in-line packages that were either soldered to the printed circuit boards or pressed into DIP sockets.
Memory makers were striving to develop better performance, and they took what they had learned from the early 30- and 72-pin SIMM's and began to develop more robust memory solutions that could increase performance while being both reliable and cost effective.
www.rst2.edu /masters/sget660hardware/memory.htm   (1291 words)

  
 SRAM (Static Random Access Memory)   (Site not responding. Last check: 2007-10-13)
RAM memory is structurally different from ROM memory in a sense that there is no limitation in rewriting the data.
Static RAM consists of an array of bi-stable flip-flops which can be programmed in either state and will keep that state until the power supply is removed.
Today static ram memory is mainly used as microcontroller ram memory for its simplicity or as computer cache memory for its better possible speed.
www.dataman.com /WebPages/Support/EPROM/SRAM.aspx   (241 words)

  
 Cypress: Justice to probe static random access memory market - Breaking - Technology - theage.com.au
SRAM memory is faster than dynamic random access memory, the most common type used in personal computers.
SRAM is found in relatively small quantities in PCs, it's also used in disk drives, communications equipment and networking gear.
A Justice Department spokeswoman could not immediately be reached to confirm the start of the investigation or comment on its scope.
www.theage.com.au /news/Technology/Cypress-Justice-to-probe-static-random-access-memory-market/2006/10/13/1160246291325.html   (387 words)

  
 MemAgent - Memory Optimizer
Static Random Access Memory (SRAM) uses a different architecture than DRAM to hold data and is more reliable and faster as a result.
The memory cell of SRAM consists of four or six transistors to place the cell in a state of true or false (akin to the binary ‘1’ and ‘0’).
SRAM and DRAM are both volatile forms of memory as they require constant electrical power to maintain the data.
www.memagent.com /ram.html   (540 words)

  
 Lucent embedded static random access memory (SRAM) architecture boosts memory capacity for communications ...   (Site not responding. Last check: 2007-10-13)
This embedded SRAM architecture is used in Lucent's new Newport ATM access system-on-chip for 3G wireless networks (see related news release, 2/28/00).
For example, the memories include a low or zero overhead capability for routing unrelated signals through the block, creating flexibility during complex SoC floor planning by easing routing congestion and reducing the wire length of critical signals.
These memory capabilities are available now as part of Lucent's COM-2 "Systems-to-Silicon" technology, which tightly integrates an advanced modular silicon process with a suite of intellectual property cores and a robust design methodology.
www.lucent.com /press/0200/000228.meb.html   (765 words)

  
 APEX 20K Device Family: External Memory   (Site not responding. Last check: 2007-10-13)
Synchronous dynamic random access memory (SDRAM) is high-speed DRAM with a fully pipelined internal architecture and a synchronous interface.
Unlike DRAM, static random access memory (SRAM) does not require refresh cycles, and data is stored in the memory cell as long as power remains.
Zero bus turnaround (ZBT) SRAM is synchronous fast static RAM designed to eliminate dead bus cycles during back-to-back read/write and back-to-back write/read cycles by providing 100% bus utilization.
www.altera.com /products/devices/apex/features/apx-memory.html   (465 words)

  
 High-Speed External Memory Interfacing Support   (Site not responding. Last check: 2007-10-13)
With 1.1 Mbits of internal memory and support for external RAM interfaces, APEX II devices are the ideal solution for both small and large memory applications.
ZBT SRAM is synchronous, fast-static RAM designed to eliminate dead bus cycles during back-to-back read/write and back-to-back write/read cycles, providing 100% bus utilization as shown in Figure 4.
ZBT SRAM eliminates data bus dead time by beginning a new access cycle on every clock edge, regardless of whether the next cycle is a consecutive read or write or a transition between a read and write, and eliminates the asymmetry between the read and write cycles.
www.altera.com /products/devices/apex2/features/ap2-mem_interface.html   (442 words)

  
 AP Wire | 10/12/2006 | Cypress: Justice to probe static random access memory market   (Site not responding. Last check: 2007-10-13)
SRAM memory is faster than dynamic random access memory, the most common type used in personal computers.
SRAM is found in relatively small quantities in PCs, it's also used in disk drives, communications equipment and networking gear.
A Justice Department spokeswoman could not immediately be reached to confirm the start of the investigation or comment on its scope.
www.philly.com /mld/mercurynews/15741754.htm   (178 words)

  
 Random Access Memory   (Site not responding. Last check: 2007-10-13)
The unit of measure for the performance of memory chips.
Cache memory is a special section of memory that uses a fast static RAM chips,(SRAM), and serves as a shortcut to allow the processor access to certain types of data at very high speeds.
Cache memory allows frequently requested data to go into the processor in as little as 45 nanoseconds.
www.tekiq.com /education/random_access_memory.htm   (694 words)

  
 SRAM (static random access memory) - Backup Terms Explained
While DRAM supports access times of about 60 nanoseconds, SRAM can give access times as low as 10 nanoseconds.
In addition, its cycle time is much shorter than that of DRAM because it does not need to pause between accesses.
Due to its higher cost as compared to DRAM, SRAM is most often used as a memory cache.
www.liutilities.com /products/winbackup/backupterms/SRAM   (132 words)

  
 Sequential Access Set-up script Soft Copy Sort SRAM Static Random Access Memory
SRAM (Static Random Access Memory): RAM which typically consists of one flip-flop per bit of memory.
Because there is no need to refresh the contents of memory addresses which are read, SRAM is faster than DRAM, but it is more expensive and typically is available in much smaller sizes than DRAM because each bit occupies more space on the chip.
State Memory: Data internal to a module that survives unchanged from invocation o invocation of that module.
www.datadoctor.biz /miscellaneous-services10.html   (467 words)

  
 Static random-access memory having multilevel conductive layer (US4853894)
A semiconductor memory having static cells each composed of two driver MOS transistors formed on a semiconductor substrate and two transfer MOS transistors and two load resistors, which are formed on the substrate and are connected to the drains of the driver MOS transistors, respectively.
A conductive film for fixing the sources of the driver MOS transistors to a ground voltage is formed above the principal surface of the semiconductor substrate, and this conductive film defines one electrode of a capacitance element formed on the substrate.
Random access memory with high density and low power
www.delphion.com /details?pn10=US04853894   (169 words)

  
 Dynamic random access memory - Wikipedia, the free encyclopedia
The first DRAM-based memory module with multiplexing address lines was a Mostek MK4096 (4096x1) in 1973.
Refresh logic is commonly used with DRAMs to automate the periodic refresh.
1T DRAM is a memory technology that uses 1 transistor and 1 capacitor for memory cell and a masked refresh schema.
en.wikipedia.org /wiki/Dynamic_random_access_memory   (2467 words)

  
 SRAM ( Static Random Access Memory and Static RAM) Definition
SRAM (Static Random Access Memory and Static RAM) Definition
SRAM (static RAM) is random access memory (
Because there is no exact match for SRAM under this category, our system automatically performed a keyword search to broaden the scope of your query.
www.bitpipe.com /tlist/SRAM.html   (279 words)

  
 PSRAM Device | Memory and Microcontroller News 2004 | NEC Electronics America - Semiconductor Solutions
NEC Electronics' µPD46128953 device has a 128-megabit (Mb) memory capacity and achieves a stable operating frequency of 83 megahertz (MHz) during burst mode while maintaining a low operating voltage of 1.8 volts (V).
This performance was made possible by NEC Electronics' development of a new type of delay circuit that regulates the internal pulse mechanism.
The three companies have collaborated on random access memory (RAM) since 1998, and introduced the first COSMORAM standard in 2002.
www.necelam.com /news/newsdetail.html?page=psram-cosmoram   (588 words)

  
 Interrupt Services DOS, BIOS, EMS und Mouse
INT 21,29 - Parse a Filename for FCB
INT 67,57 - Move/Exchange Memory Region (LIM EMS 4.
INT 67,5C - Prepare Expanded Memory for Warm Boot (LIM EMS 4.
www.htl-steyr.ac.at /~morg/pcinfo/hardware/interrupts/inte1at0.htm   (2010 words)

  
 Find in a Library: Static random access memory semiconductors from the Republic of Korea and Taiwan
Find in a Library: Static random access memory semiconductors from the Republic of Korea and Taiwan
Static random access memory semiconductors from the Republic of Korea and Taiwan
WorldCat is provided by OCLC Online Computer Library Center, Inc. on behalf of its member libraries.
www.worldcatlibraries.org /wcpa/oclc/39965626   (84 words)

  
 Cypress: Justice to probe static random access memory market   (Site not responding. Last check: 2007-10-13)
SRAM memory is faster than dynamic random Microsoft Office Access 2003 - Complete package - 1 user - CD - Win - English
Cypress: Justice to probe static random access memory market by DMN Editorial at Oct. 12, 2006 4:30 pm gmt
Poor Compression (6) • by Chris101 on the on the Apple DVD Studio Pro forum resizing type and graphics (3) • by Roberta Mariscotti on the on the Adobe Illustrator forum Random quiz scripting (3) • by jammmet on the on the Apple DVD Studio Pro forum OK, a simple question about sliding pictures on...
www.creativemac.com /articles/viewarticle.jsp?id=73696   (658 words)

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