On-Chip Training of Crosstalk Predictors to Fit Uncertainties

Rezgar Sadeghi, E. Akbari, Mohamad Ali Saber
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Abstract

Crosstalk noise has been strongly threatened the signal integrity of interconnects in new sub-micrometer technology nodes. The crosstalk prediction helps to avoid crosstalk consequences. Static crosstalk models cannot predict crosstalk faults intensified by thermal, fab-induced, and temporal uncertainties. The goal of the paper is to avoid crosstalk by the use of a dynamic crosstalk predictor which can adapt itself in the presence of uncertainties. To begin with, the neural network model of the crosstalk phenomenon would be extracted based on data transition of communication wires. This model is implemented as an on-chip crosstalk predictor. In addition, this predictor would be trained on-chip by hardware implementing the learning algorithm. Simulation results show that the proposed predictor is much more tolerant of uncertainties than the static predictors.
片上训练拟合不确定性的相声预测器
在新型亚微米技术节点中,串扰噪声严重威胁着互连信号的完整性。串声预测有助于避免串声后果。静态串扰模型不能预测由热、晶圆片诱发和时间不确定性加剧的串扰故障。本文的目标是通过使用动态串扰预测器来避免串扰,该预测器可以在存在不确定性的情况下自适应。首先,基于通信线的数据传输提取串扰现象的神经网络模型。该模型作为片上串扰预测器实现。此外,该预测器将通过实现学习算法的硬件在芯片上进行训练。仿真结果表明,该预测器比静态预测器具有更强的不确定性容忍度。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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