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DIMM - Wikipedia


A DIMM or dual in-line memory module comprises a series of dynamic random- access memory ... Another difference is that standard SIMMs have a 32-bit data path, while ... Since Intel's Pentium, ma...

Designing for 1Gb DDR SDRAM - Micron


promoting an easy migration path as well as a cost-effective solution. ... double data rate (DDR) synchronous dynamic random access memory (SDRAM). ... array size, the 1Gb has one additional row address, making the array 16,384 rows ...

DDR SDRAM Controller - Pipelined - Lattice Semiconductor


Performance may vary when using this IP core in a different density, speed or grade within the LatticeECP3 family. 2. SDRAM data path width of 32 bits.

AN 348: Interfacing DDR SDRAM with Cyclone Devices - Altera


Both the burst length ..... DDR SDRAM Read Data Path in Cyclone Devices .... pins is ±50 ps (approximately ±0.3-inches of FR4 trace length variations). You can ...

DDR & DDR2 SDRAM Controller Compiler v9.0 User Guide - Altera


Mar 5, 2009 ... DDR and DDR2 SDRAM Controller Compiler User Guide ..... controller uses about 700 LEs while the size of the datapath varies with width and.

Images and Descriptions - Memory Module Types - OEMPCWorld


Aug 28, 2015 ... Each 72-pin SIMM provides a 32-bit data path, so they can be ... 184-pin DIMMs are for DDR SDRAM modules found in Pentium III and ... Maximum module PCB size: 133.5mm x 31.75mm x 1.37mm (5.25″ x 1.25″ x 0.05″)

DDR SDRAM explained - Pctechguide.com


Sep 21, 2011 ... Double Data Rate DDR) SDRAM is the other competing memory ... the amount of data a module can send at once (called the data path) by the ...

About Computer Memory - iFixit


Modern processors have L2 cache memory sizes ranging from 128 KB to 2 MB. ... Relative to standard SDRAM, Double Data Rate SDRAM (DDR-SDRAM) doubles the .... RDRAM uses a 16-bit or 18-bit data path (versus 64-bit for SDRAM) to ...

AN2826: DDR-SDRAM Layout Considerations for MCF547x ... - NXP


Double data rate (DDR) SDRAM—SDRAM that latches command ... cost to a DDR SDRAM system is the addition of discrete termination. Memory. Size ..... had as physically short a path as possible, thus minimizing clock, control, and bus slew ...

An introduction to SDRAM and memory controllers


Second generation of DDR memory (DDR2) scales to higher clock ... programmed burst size. ... Memory mapping. – Arbiter. – Command generator. – Data path ...