Silvaco Group, Inc. · NASDAQ:SVCO
Silvaco — Technical Presentation (2023)
9 slides from Silvaco's technical presentation, Jan 13, 2023
Slide 1: Parasitic Extraction
Parasitic Extraction Full Chip and Cell Level RC Extraction
Slide 2: Contents
Contents • Introduction • Simulation Methodologies • Rule Based – Parasitic database generation • Field Solver – Field solver methods – Boundary element or finite element • Summary ©2023 Silvaco, Inc. 2
Slide 3: Introduction
Introduction • Many solution methodologies for RC extraction (RCX) • Optimize solution methodology for each application • A common platform maximizes user choice • Consider intended user skill set, CAD versus TCAD • Consider size and topology, versus simulation speed • How much accuracy is really ne
Slide 4: Solution Methodologies
Solution Methodologies • Rule based (fastest) or Field solver based (most accurate) ©2023 Silvaco, Inc. 4
Slide 5: Rule Based
Rule Based • Capacitance extract geometry from layout polygons • Resistance count conductor length in “squares” • Coefficient database converts polygons into C & R values ©2023 Silvaco, Inc. 5
Slide 6: Parasitic Database Generation
Parasitic Database Generation • Generating the capacitance coefficient database for rule based extraction • requires a field solver • One time per technology • Silvaco ‘Exact’ tool ©2023 Silvaco, Inc. 6
Slide 7: Field Solver Methods
Field Solver Methods • Field solver’s have several methods to apply the physics to the physical representation of the structure • Field solvers extract both capacitance and resistance • Finite Difference and Finite Element Methods are: – Optimal for complex and curved 3d shapes • Boundary Element an
Slide 8: Boundary Element or Finite Element?
Boundary Element or Finite Element? • For uniform layer thickness and Manhattan • For complex 3D shapes shapes – Finite Element Method – Boundary Element Method ©2023 Silvaco, Inc. 8
Slide 9: Summary
Summary • Rule based extraction used for most of the full chip • Field solver based extraction for complex R & C layout • Highest accuracy is required for critical cells • Mix and match techniques within one design Typical maximum cell size illustration for using field solver techniques ©2023 Silvac