Any Logic between Pad and port

[maulin sheth]

Hello All,

If any inverter or buffer is possible between port and IO pads?
So if not possible thn its the design issue?

 

[mail4idle2]

Please can you elaborate your question

 

[maulin sheth]

Any logic like inverter and buffer is possible between Top level port and the pad of that port?

 

[jt_eaton]

No logic can be placed outside the padring

 

[maulin sheth]

Its the thumb rule that no logic between port and pad of that port.
If logic thn its the design issue?