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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
Icon for Honored Contributor rankHonored Contributor
13 years ago

Hi everybody

well now i am getting a little bit confused here. Should i put decoupling caps on each pin/via of FPGA's power network (VCCINT, VCCIO) or not. How do i understand the number of cap suggested by PDN tool?

Thanks in advance