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DTSTAMP:20260402T024533Z
LOCATION:3004\, Level 3
DTSTART;TZID=America/Los_Angeles:20250624T113000
DTEND;TZID=America/Los_Angeles:20250624T114500
UID:dac_DAC 2025_sess144_RESEARCH1541@linklings.com
SUMMARY:MIA-aware FinFlex Cell Legalization with Power-Driven Cell Version
  Substitution
DESCRIPTION:Da-Wei Huang and Shao-Yun Fang (National Taiwan University of 
 Science and Technology)\n\nTSMC's FinFlex standard cells for sub-3 nm node
 s provide flexibility and an optimal balance of performance, power, and ar
 ea. The FinFlex technology offers multiple versions per cell type with var
 ied heights and threshold voltages, allowing cell substitution for placeme
 nt optimization. This paper introduces the first approach to standard cell
  legalization for the FinFlex technology, addressing cell substitution, po
 wer efficiency, and minimum implant area (MIA) constraints. The proposed a
 lgorithm includes three stages: intra-row preprocessing with cell substitu
 tion, DAG-based initial legalization with MIA violation prediction, and dy
 namic programming for inter-row violation removal. Experimental results sh
 ow superior performance over state-of-the-art techniques.\n\nTopics: EDA\n
 \nTracks: EDA7: Physical Design and Verification\n\nSession Chairs: Ankur 
 Prasad (Apple Inc.) and Yu-Guang Chen (National Central University)\n\n
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