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DTSTAMP:20260402T024533Z
LOCATION:3004\, Level 3
DTSTART;TZID=America/Los_Angeles:20250624T114500
DTEND;TZID=America/Los_Angeles:20250624T120000
UID:dac_DAC 2025_sess144_RESEARCH1354@linklings.com
SUMMARY:Secondary-Power-Cell-Aware Detailed Placement in Multiple Power Do
 main Designs
DESCRIPTION:Yu-Wei Chang and Shao-Yun Fang (National Taiwan University of 
 Science and Technology) and Kai-Chuan Yang and Min-Ching Lin (Synopsys)\n\
 nUsing multiple power domains is crucial for power savings in modern desig
 ns, but advanced nodes face challenges in powering cross-domain cells due 
 to IR drop constraints and resource competition between secondary power an
 d signal routing. This paper presents a detailed placement method that int
 egrates secondary power routing considerations. Leveraging an integer line
 ar programming (ILP) model and targeted cross-domain cell placement adjust
 ments, our approach optimizes secondary power routing efficiency. Validati
 on with commercial design tools demonstrates improvements in secondary pow
 er routing performance by reducing the secondary power distribution networ
 k (PDN) wirelength and decreasing PDN constraint violations.\n\nTopics: ED
 A\n\nTracks: EDA7: Physical Design and Verification\n\nSession Chairs: Ank
 ur Prasad (Apple Inc.) and Yu-Guang Chen (National Central University)\n\n
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