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Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

How about decreasing vccint?

I would like to decrease power consumption of cylcone III . I made test to low down 1.2v vccint to 1.0v, which save almost 60mw and works well. My question is,is this normal? I thought if the vata...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

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Have you considered using Cyclone IV E instead? The Cyclone IV E is extremely similar to Cyclone III and it comes in two voltage variations, 1.2V (speed grade 6, 7 or 8) and 1.0V (speed grade 8L or 9L).

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Thanks.But here we need a long delivery for the new IV series.Do you mean if we use Cyclone IV E (speed grade 8L or 9L) ,can decrease power consumption while also decreaseing the speed?