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AAnil3's avatar
AAnil3
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5 years ago

In power sequencing defined for Cyclone V E,Is there any time period specified between 2 sequences(ie , group 1: +1.1V , group2: +2.5V)?

Hello In power sequencing defined for Cyclone V E,Is there any time period specified between 2 sequences(ie , group 1: +1.1V , group2: +2.5V)? I have observed the sentence : "Ramp up the power rai...
EngWei_O_Intel's avatar
EngWei_O_Intel
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5 years ago

Hi Ashad

Sorry for late response. For different power rail groups' power up sequence, we need to meet the voltage points requirement in order to meet the spec. I am quoting one of the external site's example diagram as follow (this is for Arria 10 requirement but the same concept applied to Cyclone V devices per Cyclone V spec):

AAnil3's avatar
AAnil3
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5 years ago

Thanks @ewO_Intel​ .

But in cyclone V handbook , only 2 groups are mentioned.

Also no power down sequence mentioned.