Following is the article from solvenet.
but seems nothing valuable.
we add it by hand, connect every cells input to gnd or vcc.
ask layout to put all those net to the top metal.
any smart method?
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What is the flow for spreading spare gates evenly across a cell?
Question:
What is the flow for spreading spare gates evenly across a cell?
Answer:
1) Create a group of spare cells and mark as type spare.
In PlanetPL:
aprCmdCreateHierGroup
setFormField "Create Group" "Group Type" "Spare"
setFormField "Create Group" "Group Name" "group_name"
setFormField "Create Group" "Pattern" "select_pattern"
formOK "Create Group"
or in PlanetPL --> Groups --> Add to Group by Name
2) Place cells as normally done. (NTDL, TDL, SIP)
3) Spread spare cells among design
axgSpreadGroupCells or PostPlace --> Spread Group Cells
Former article name: 823
Version(s): 2000.2