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Altera_Forum
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14 years ago

Cyclon III - DDR2 signal integrity

I am having issues with my interface between a Cyclone III and external DDR2 SDRAM. The design works for a small period (between 15 and 30 mins) and then stops. I have traced this down to the exter...
Altera_Forum's avatar
Altera_Forum
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14 years ago

Hi Socrates, thanks for your reply.

Yes I do have a termination supply. Its the TPS51100 and I'm only running a single SDRAM from it (MT47H32M16). There is no PSU jitter on the 0.9V or 1.8V.

Thanks