Understanding DDR SDRAM timing parameters

Deepak Kumar, Sumit Varshney, Sunaina Srivastava, and Swapnil Tiwari, Freescale Semiconductor
EETimes (6/25/2012 3:05 PM EDT)

Many engineers who have ever dealt with DDR SDRAM must have been intrigued by the various timing parameters of the DRAM. This article explains the various timing parameters and its impact on the performance of the DRAM.

To begin with, let's first understand how different DDRs are rated or classified. If we want to buy a DDR module from market, we have to consider many parameters like size, speed, timing specs, brand etc. So, we have many options to choose from. To have a better understanding of these ratings, let’s see how these are presented to the buyers.

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