VLSI, Lecture 5 Department of Computer Engineering, Prince of Songkla University by Wannarat Suntiamorntut Design Rules
VLSI, Department of Computer Engineering, Prince of Songkla University by Wannarat Suntiamorntut Design Rules Interface between designer and process engineer Guidelines for constructing process masks Unit dimension: Minimum line width –scalable design rules: lambda parameter –absolute dimensions (micron rules)
VLSI, Department of Computer Engineering, Prince of Songkla University by Wannarat Suntiamorntut Mead and Conway 1. Diffusion not lower than 2 2. Poly not lower than 2 22 22
VLSI, Department of Computer Engineering, Prince of Songkla University by Wannarat Suntiamorntut Mead and Conway 3. Diffusion and diffusion not lower than 3 33
VLSI, Department of Computer Engineering, Prince of Songkla University by Wannarat Suntiamorntut 4. Poly and poly not lower than 2 Mead and Conway 22
VLSI, Department of Computer Engineering, Prince of Songkla University by Wannarat Suntiamorntut Mead and Conway 5. Poly and diffusion not lower than 1 11
VLSI, Department of Computer Engineering, Prince of Songkla University by Wannarat Suntiamorntut Mead and Conway 6. Poly cross diffusion 22
VLSI, Department of Computer Engineering, Prince of Songkla University by Wannarat Suntiamorntut Mead and Conway 1 1
VLSI, Department of Computer Engineering, Prince of Songkla University by Wannarat Suntiamorntut Mead and Conway 8. Contact cut on diffusion 22 22
VLSI, Department of Computer Engineering, Prince of Songkla University by Wannarat Suntiamorntut Mead and Conway 9. Contact cut on poly 22 22
VLSI, Department of Computer Engineering, Prince of Songkla University by Wannarat Suntiamorntut 22 22 Mead and Conway 10. Contact cut on metal
VLSI, Department of Computer Engineering, Prince of Songkla University by Wannarat Suntiamorntut 11.,12. In Metal Mead and Conway 33 33
VLSI, Department of Computer Engineering, Prince of Songkla University by Wannarat Suntiamorntut Mead and Conway 13.,14. Contact Cut 33 22
VLSI, Department of Computer Engineering, Prince of Songkla University by Wannarat Suntiamorntut Mead and Conway 15. Buttering contact 66 44