Cross-Boundary Inductive Timing Optimization for 2.5D Chiplet-Package Co-Design
Cross-Boundary Inductive Timing Optimization for 2.5D Chiplet-Package Co-Design
复制标题
2.5D Chiplet-Package 协同设计的跨界感应时序优化
DOI:
10.1145/3453688.3461505
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发表时间:
2021
期刊:
影响因子:
--
通讯作者:
Peng, Yarui
中科院分区:
文献类型:
--
作者:
Kabir, MD Arafat;Petranovic, Dusan;Peng, Yarui
With the popularity of 2.5D integration, an increasing number of chiplets are integrated into advanced system-in-package designs. In such systems, redistribution layer (RDL) wires become longer and denser, with a growing impact on system performance. However, RDL inductive impacts in timing analysis are ignored by the traditional CAD tools. This paper presents our chiplet-package co-optimization flow, which can capture the RDL inductance impact on system performance and automatically adjust the IO drivers to compensate for the inductance overhead. We develop our extraction and timing analysis tool that models RDL wire inductive timing impact on 2.5D system performance within +/-1% error. Our study shows 35% signal paths through RDL violate the timing requirement because of the inductive impact, and remain undetected through only RC-based STA.
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期刊:
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