DDR3 JEDEC SPECIFICATION PDF

This section of the MIG Design Assistant focuses on the Additive Latency, defined by the JEDEC Spec,as it applies to the MIG Virtex-6 DDR3 design. NOTE: This. JEDEC. STANDARD. Double Data Rate (DDR). SDRAM Specification The information included in JEDEC standards and publications represents a sound. Micron Technology, Inc. All rights reserved. Products and specifications discussed herein are subject to change by Micron without notice.

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By using this site, you agree to the Terms of Use and Privacy Policy. Of these non-standard specifications, the highest reported speed reached was equivalent to DDR, as of May Retrieved 19 March All articles with unsourced statements Articles with unsourced statements from March The actual DRAM arrays that store the data are similar to earlier types, with similar performance.

This article is about the computer main specifidation. From Wikipedia, the free encyclopedia. Retrieved from ” https: In addition to bandwidth designations e. For the video game, see Dance Dance Revolution 3rdMix. DDR3 memory utilises serial presence detect.

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DDR3 SDRAM

Not only are they keyed differently, but DDR2 has rounded notches on the side and the DDR3 modules have square notches on the side. Some manufacturers also round to a certain precision or round up instead. Views Read Edit View history.

The CPU’s integrated memory controller can then work with either. It is typically used during the specifidation self-test for automatic configuration of ddr33 modules. DDR3 modules are often incorrectly labeled with the prefix PC instead of PC3for marketing reasons, followed by the data-rate. It is also misleading because various memory timings are given in units of clock cycles, which are half the speed of data transfers.

In other projects Wikimedia Commons. The Core i7 supports only DDR3. There is some improvement because DDR3 generally uses more recent manufacturing processes, but this is not directly caused by the change to DDR3.

The DDR3L standard is 1.

DDR3 SDRAM – Wikipedia

Memory standards on the way”. Archived from the original dpecification Retrieved 12 October Another benefit is its prefetch bufferwhich is 8-burst-deep. Archived from the original on December 19, This page was last edited on 17 Novemberat Under this convention PC is listed as PC Archived from the original on April 13, High-performance graphics was an initial driver of such bandwidth requirements, where high bandwidth data transfer between framebuffers is required.

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Archived from the original PDF on Because the hertz is a measure of cycles per second, and no signal cycles more often than every other transfer, describing the transfer rate in units of MHz is technically incorrect, although very common.

DDRDand capacity variants, modules can be one of the following:. DDR3 prototypes were announced in early CL — CAS Latency clock cyclesbetween sending a column address to the memory and the beginning of the data in response.

This reduction comes from the difference in supply voltages: Speclfication that require DDR3L, which operate at 1. As with earlier memory generations, faster DDR3 memory became available after the release of the initial versions. Dynamic random-access memory DRAM.

Bandwidth is calculated by taking transfers per second and multiplying by eight. Retrieved 12 December For the graphics memory, see GDDR3.