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Altera_Forum's avatar
Altera_Forum
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13 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
13 years ago

These are required, but not necessary. The more, the better, but usually there is no requirement to overload the PCB with caps.