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Altera_Forum
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13 years ago

DDR2 vs DDR3 Throughput

Hi all, I have to update a board. The old design (Cyclone IV) used DDR2 Altmemphy running at 133MHz over 16 Bits. The new design (Arria V) will use DDR3 Uniphy with the Hard EMIF running a...
Altera_Forum's avatar
Altera_Forum
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13 years ago

You do need to look at the number of clocks required for a complete memory cycle, the qouted MHz figure is that between the data values during the data transfer burst. I have a gut feeling that the access times for DDR2 and DDR3 are similar.