How to solve layout Minimum Density Area across chip / CHIP

B

Boki

Guest
Dear All:

When I using TSMC 0.35 2P4M process to layout, the DRC error report
these messages:

1. POLY Minimum Density Area across chip / CHIP Area must be >= XX%
2. M1 Minimum Density Area across chip / CHIP Area must be >= XX%
3. M2 Minimum Density Area across chip / CHIP Area must be >= XX%
4. M3 Minimum Density Area across chip / CHIP Area must be >= XX%
5. M4 Minimum Density Area across chip / CHIP Area must be >= XX%

But, in my layout design, I did't need these layers or area, could you
please give me some suggest?

Thanks!

Boki.
 
You did a design layout and used no Poly or metal?
I find that hard to believe, but if you say so, you turn off the
density checks or just ignore them. If you do have these layers,
you can add dummy poly or metal or alter the density checking window
size to get your design to pass.

"Boki" <bokiteam@ms21.hinet.net> wrote in message
news:bk8sub$r8t@netnews.hinet.net...
Dear All:

When I using TSMC 0.35 2P4M process to layout, the DRC error report
these messages:

1. POLY Minimum Density Area across chip / CHIP Area must be >= XX%
2. M1 Minimum Density Area across chip / CHIP Area must be >= XX%
3. M2 Minimum Density Area across chip / CHIP Area must be >= XX%
4. M3 Minimum Density Area across chip / CHIP Area must be >= XX%
5. M4 Minimum Density Area across chip / CHIP Area must be >= XX%

But, in my layout design, I did't need these layers or area, could you
please give me some suggest?

Thanks!

Boki.
Click to expand...
 
You must log in or register to reply here.

Welcome to EDABoard.com

Sponsor

Back
Top