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Making preroutes type SPECIAL

Hello,

I am trying to fix AC current violations on clock nets post-route using NONDEFAULT rules. When trying to setAttribute of violating clock nets to use -non_default_rule, I see this - " #WARNING (NRDB-605) Cannot set attribute -non_default_rule to NDR11 for NET clk_i__L2_N11 because it has preroutes. Make preroutes type SPECIAL to connect with non_default_rule routing."

I could not find from Encounter Command Reference or User Guide on how to make preroutes type as SPECIAL. Your help is greatly appreciated.

Also, I wanted to know if there is a good flow to prevent AC violations in clock nets during CTS or route? Is it to use NDRs and SI driven routing?

Regards,

Siddhartha.

wally1 over 13 years ago

Use "convertNetToSNet -nets netName".
- Brian
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Yusuf over 13 years ago

Thanks!!!
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