Is there a pin compatible part replacement for EP1C20F400C8N from cyclone family? What are the steps I should take while replacing an old FPGA with newone?

[SMeet]

We are trying to upgrade our systems with new FPGA. The old board uses EP1C20F400C8N and they are getting obsolete

[CalvinJoaz_P_Intel]

Hi SMeet,

There is no pin to pin compatible replacement part for EP1C20F400C8N.

You're right. The part is getting obsolate because of declining demand. 

https://www.mouser.com/PCN/Intel_Corporation_PDN_1810_Intel_Programmable_Solutions_Group_(%E2%80%9CIntel_PSG%E2%80%9D,_formerly_Altera)_is_discontinuing_the_EPC2,_Cyclone%C2%AE,_and_Stratix%C2%AEGX_product_families.pdf

Are you looking to replace with 'pick & place holder' or 'similar features device'? 

Thank you. 

[SMeet]

Hi Calvin,

Thanks for response. I am trying to make the least changes to my existing board. I would prefer a pick & place holder over 'similar features device'. Can you suggest?

[SMeet]

Do I need to change the RTL design and bit files if I am going for a new FPGA?

[CalvinJoaz_P_Intel]

Hi SMeet,

MPN: EP1C20F400C8N Package/Case is FBGA-400.

I couldn't find any active part which similar to this Package/Case.

No, You can still use the same RTL design, but the bit files have to change for new FPGA.  

Thank you.