#308 Spare logic complex cell for gf180 New issue created by shalan The GF180 standard cell library lacks spare logic cells. It is good to create a complex cell by placing a group of cells on two rows (a double height cell). This way, the spare logic cell can be used instead of fill/decap cells. Typically 1-2% of the design area is occupied by spare logic to enable late stages ECO. RTimothyEdwards/open_pdks