Double Data Rate

The present day RAM is built on the Synchronous Dynamic Random Access Memory using the Double Data Rate specifications and hence they are called SDRAM of DDR1, DDR2, DDR3  and the latest DDR 4 versions. They work on the basis of double pumping, dual pumping or double transition process. They are able to provide two data transfer for each clock cycle. The first in the category of RAM is the DDR or DDR1 RAM. DDR...