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circuit optimum
5th generation
Optimization Strategy
Tune Circuit
Feasibility DCSaturation
CircuitSchematicSpecification
dbWhat-ifanalysis
OptimizedW/L
AgO
Stable DC Operation
Constraints Test Bench
GlobalOptimum
Monte CarloSimulation
Centering All ProcessCornersParasitic
ExtractionLayout
Work Flow
GUI
Analog Design Structure
CMOS GaAs
GaN
DAC PLL SerDes ADC
SoC
Component
Function
System
Circuit Current Sink Op Amp Current Mirror Level Shifter
BJT
Optimization Strategy
Feasibility Global Optimization Centering Database
Description• DC Operation• Increase Margin• Quick check• Best Design Space
Description• Single Corner• Meet performance• Monte Carlo• Ready for Center
Description• All Corners• Rapid Size• Ready for P&R
Description• Conflict• Change Priority• System Analysis
AgO Optimization Strategy
Monte Carlo Statistical Control Strategy
Feasibility Global
DatabaseSix Sigma Optimized W/L
Centering
AgO
Circuit• Schematic • Spice Net List
Simulation• Test Bench • Constraints
Objectives• Objectives • Min Max Ranges
Process• Process Corners• Non-Statistical
Statistical Process• Process Corners • 6 Sigma – Gauss Standard
Road Map
Road Map
2007 to 2013
Importance for M
arket
Cadence
Mentor
• 2013• 2012• 2011
Integration
• Product Ready• Cadence• Mentor• MSIM
Algorithm
MSIM
Fast
Monte Carlo
Slow
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