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Altera_Forum
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13 years ago

Power Delivery Network (PDN) Tool

Hi everybody, i know that PDN is just a base line guide for selecting decoupling caps. Until now i just used 100n 0402 caps on each power (VCCINT, VCCIO, VCC PLL and VCC GXB ) pin of the device...
Altera_Forum's avatar
Altera_Forum
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13 years ago

put decoupling capacitors on every power pin.

100nF caps are effectively free, and the incidental cost of placing another 20 devices per FPGA in a typical board is again almost zero.

Unless you're trying to get the costs down on a board you'll be making 10's of 1000's of you might as well follow this advice. And if you are you should have the budget to experiment.

Nial