Gayathri Jeyaram
Junior Member level 1
I have noticed that power rails are put on metal 2. Metal 1 is not used for signal routing or power routing. Why ?
Is it because at lower technology nodes, there is a lot of signal routing within the std cells so an entire layer (M1) is used up ?
Is it because at lower technology nodes, there is a lot of signal routing within the std cells so an entire layer (M1) is used up ?