Calibre LVS needs to know the power net- Why?

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ebuddy

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Hi,

When calibre does the LVS, it needs to know where the VDD/GND nets are. I don't understand the reason why? Intuitively, power nets are not different from any other nets when it comes to LVS, or aren't they?
 

ebuddy said:
Hi,

When calibre does the LVS, it needs to know where the VDD/GND nets are. I don't understand the reason why? Intuitively, power nets are not different from any other nets when it comes to LVS, or aren't they?
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I think calibre only creats warning if there is no power/ground net. LVS can pass the comparison.
 

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