parameterized cell HIERARCHY

Assign variables into Instance/Array to form a Pcell
hierarchy
- An ESD test device layout case

The structure diagram of
Pcell

Parameterized block based
on OA rotation attributes

Metal 3 with source &
drain mode, width is auto adjusting subject to metal numbers

Metal 2 with source &
drain mode, width is auto adjusting subject to metal numbers

The width and number of
gates can specified from top level

metal's width auto
adjusting is subject to gate's changing
