What are Placement and Routing Blockages in VLSI? There are basically two types of blockages in VLSI,.i.e., Placement Blockages and Routing Blockages. The Placement Blockages are again classified into three types. They are hard blockages, soft blockages and partial blockages. These are explained in details below. Placement blockage Placement blockages are the areas where placement … Continue reading Blockages in VLSI