Tenstorrent
Physical Design Intern
Timing the links between dies in a next-generation AI accelerator.
- Static timing analysis on die-to-die interconnects in a next-generation AI accelerator SoC with RISC-V cores, using Synopsys PrimeTime with post-route netlists, SPEF parasitics, UPF power intent, and SDC constraints.
- Multi-voltage timing paths through level shifters, connecting a dynamic-voltage SoC domain to a fixed-voltage PHY domain, evaluating voltage-dependent timing behavior.
- Corner-specific parasitic extraction with Synopsys StarRC on Fusion Compiler databases, and automated RTL-to-GDS flows configured from synthesis through route optimization.
- AI/ML-based corner selection, under investigation, targeting a reduction from approximately 46 PVT corners to 10, evaluating derating and guard-banding strategies to preserve timing coverage and reduce signoff turnaround.