how to insert tie cell for spare cell

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tie cell

Hi,

I add spare cell in netlist, and the pin of spare cell is connect to 1'b0

I want to know how to inset tie low cell for this spare cell in astro


best regards
 

insert tie

I don't know how to inset tie low cell for this spare cell in astro, but you can instance tie cell in your RTL. When do synthesis, add dont_touch attribute to these cells, then these cell will in the netlist when do P&R.
 

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