我自己练习将10个OR2D1串联布局布线,熟悉过程
刚开始做到place_opt时,提示Error:The target library does not contain an INV.
于是我在自己的db文件中加了INV的cell(我的db文件中原先只有OR2D1的cell)
然后再做到place_opt时,又提示
Error:The target library does not contain all required gates.
Either a NOR, or an AND and an OR gate (two-input) is required for mapping.
求大侠解答