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Hierarchical APR on TSMC N3E — AXMM top-block

March 01, 2026 Physical Design Team 3 views
Hierarchical APR on TSMC N3E — AXMM top-block
4-partition hierarchical PnR for an edge AI inference processor. IOPin budgeting, cross-partition routing congestion resolution, ELVT...

Demonstrating world-class physical design and deep sub-micron implementation proficiency, VNCHIP has successfully completed hierarchical Auto Place & Route (APR) and sign-off verification on TSMC's advanced N3E (3nm EUV) process node for an AXMM top-block customer design.

Key Highlights:

  • Block Size: ~2.5 x 2.5 mm
  • Partitions: 4 hierarchical sub-blocks
  • Frequency: 800 MHz target operating speed
  • Instance Count: 11 Million instances
  • Signoff Sign-off: Timing closure (STA), DRC / LVS / ANT / ERC / PERC, Full EM/IR sign-off, Full IP checklist

The project encompassed complex multi-corner multi-mode (MCMM) timing closure, dynamic voltage drop IR analysis, signal integrity signoff, and physical verification to ensure first-pass silicon success.

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