Explain page mode DRAM.
What will be an ideal response?
As we know, a standard DRAM uses a row and a column address for each cell addressing. Page Mode DRAM is basically DRAM but with enhancements to improve performance. The access time for a normal DRAM access is the time to get the row plus the time to get the column. The way we improve on the standard DRAM is that we pass in the entire row and then we can have the different portions of the row buffer be accessed by successive Column Access Strobes without any additional Row Access Strobe requests. What this basically means is that once a whole row is loaded, we can access it several times without having to get the row again and again. Thus, we are improving upon our design of DRAM which takes a whole row and then accesses a column and then discards the rest of the row. Now, what we are doing is keeping the row and accessing it with multiple Column Access Strobe requests.
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