Turnkey Designs- Silicon Engineering
Physical Design- Exascale Processor
Exascale Processor

Top Processor Foundry : 10nm
- Partitioned into ~98 Unique Blocks
- 3.2 GHz Target Frequency
- 3-levels of hierarchical implementation
- Team Size: 35 – PD / STA / IR / PV
- Time Frame: 10-months
Challenges
- Channel-less design
- Clock Tree OCV induced timing issues
- Top level timing closure / Merged Mode Timing
Custom Solutions
- Data path / Clock Branch Visualizer
- Path Group based top -> Sub-chip violation Analyzer
Physical Design- APU
APU

TSMC N7 HPC
- Hierarchical Channel Less Design
- ~160 Unique Blocks
- Targeting Multi-GHz Frequency
- Owned 25% of complex blocks
- Team size: 30 engaged over 9-months
Challenges
- AON Cell Clustering in ONO Regions
- Context Aware Cell Placement
Custom Solutions
- Custom Repeater-flop placement flow
- SI Violations fixing solution
Physical Design- AI Accelerator
AI Accelerator

TSMC 16nm FF
- RAP Technology
- 1.0 GHz Frequency
- Complete RTL2GDSII ownership
Challenges
- Hierarchical timing closure
- Crossbar Implementation
- Full Chip Timing ECOs
Methodology /Custom Solutions
- ILM based clock-skew balancing
- Scripted hierarchical Hold Fix solution
Verification

Server Processor SOC
- XSP (3D- XPoint)
- Test Bench Development
- Functional Verification using UVM

AI Accelerator (SOC)
- SOC Verification
- IP Verification
- Gate Level Simulation

Ethernet MAC (400G)
- Test Bench Development
- Bus Functional Model Development
- Functional Verification and Environment Development using UVM and System Verilog
Design for Test

Camera Application
- Test plan Development
- MBIST, Functional BIST Implementation
- ATPG and Test Compression
- Modular Scan

AI Accelerator (SOC)
- Chip Level DFT Architecture Design
- Clock Structure
- BIST, MBIST, JTAG, DFT Constraints, ATPG
- Tester Output Validation
- Zero DPPM Assurance

Server Processor
- ATPG Generation and Compression for over 130 Blocks
- Scan Insertion and Stitching
- Block to SOC Level Pattern Conversion
- Post Silicon Validation