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Altera_Forum
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14 years ago

Cyclone IV GX, DDR decoupling

Hi, I'm actually doing schematics using the cyclone Iv gx evaluation board. I placed the same DDR2( Mircon MT47H16M16) but I wonder why there are only 40 caps (10x4 CN caps) when micron says t...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

Yes, I'm talking about caps after termination resistors to Vref.

Look page 11 on the attached schematic, it deals with CN3,CN4,CN9,CN11,CN2,CN1,CN15,CN17,CN16 and CN8.

Thank you