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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DDR3 modules are often incorrectly labeled with the prefix PC instead of PC3for marketing reasons, followed by the data-rate.

Views Read Edit View history. High-performance graphics was an initial driver of such bandwidth requirements, where high bandwidth data transfer between framebuffers is required.

DDR3 SDRAM – Wikipedia

CL — CAS Latency clock cyclesbetween sending a column address to the memory and the beginning of the data in response. DDR3 prototypes were announced in early For the graphics memory, see GDDR3.

By using this site, you agree to the Terms of Use and Privacy Policy. The actual DRAM arrays that store the data are similar to earlier types, with similar performance. In other projects Wikimedia Commons. Of these non-standard specifications, the highest reported speed reached was equivalent to DDR, as of May This advantage is an enabling technology in DDR3’s transfer speed.

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Retrieved 12 October For the video game, see Dance Dance Revolution 3rdMix. This article is about the computer main memory.

The Core i7 supports only DDR3. The DDR3L standard is 1. This reduction comes from the difference in supply voltages: Retrieved 19 March Retrieved 12 December It is also misleading because various memory timings are given in units speciification clock cycles, which are half the speed of data transfers.

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Under this convention PC is listed as PC Not only are they keyed differently, but DDR2 has rounded notches on the side and the DDR3 modules have square notches on the side. Memory standards on the way”.

Devices that require DDR3L, which operate at 1. All articles with unsourced statements Articles with unsourced statements from March Retrieved from ” https: DDRDand capacity variants, modules can be one of the following:. The CPU’s integrated memory controller can then work with either.

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Bandwidth is calculated by taking transfers per second and multiplying by eight. This page was last edited on 17 Novemberat Archived from the original on December 19, This is because Jesec memory modules transfer data on a bus that is 64 data bits wide, and drr3 a byte comprises 8 bits, this equates to 8 bytes of data per transfer. Another benefit is its prefetch bufferwhich is 8-burst-deep.

DDR3 SDRAM

Archived from the original on There is some improvement because DDR3 generally uses more recent manufacturing processes, but this is not directly caused by the change to DDR3. Some manufacturers also round to a certain precision or round up instead. It is typically used during the power-on self-test for automatic configuration of memory modules.

Archived from the original PDF on DDR3 memory utilises serial presence detect. Archived from the original on April 13,