21 Jul
2018
21 Jul
'18
7:15 p.m.
Hello.
On 07/21/2018 07:38 PM, David Lanzendörfer wrote:
Hi Hagen How many metal layers should I plan for the process I'm going to submit soon?
Well, I like to deal with up to three metal layers, not more.
I would guess, that two metal layers are comfortable and reasonable. Regarding the metal processing I would give metal3 also a chance on Pearl River.
My assumption is, that the 5um CMP accuracy will bite us in the ass with metal3 already.
So let's try with 3 metal layers for PearlRiver. If we only get 2 layers functional, we are still fine - standard cell design mostly still route-able.
Regards, Hagen.