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This paper explores the benefits and costs of integrating an on-chip DC-DC converter as voltage regulator module for reliable power delivery networks (PDNs). We perform detailed time-domain and frequency analyses on PDNs to assess the impact of on-chip DC-DC converter on PDN impedance and overall supply noise behavior. As results show, the reliability of PDNs depends on the DC-DC converter design...
Ongoing technology scaling has increased delay defects in integrated circuits. Some of the delay defects are due to crosstalk, supply noise, process variations, etc. They degrade the performance and field reliability of circuits. However, testing the circuits with path delay patterns under worst-case conditions helps to detect such defects. Estimation of patterns with worst-case path delay becomes...
3D power delivery networks are essential for delivering supply voltage to all tiers. PDNs on each tier are mesh networks that are bridged together using Through-Silicon-Vias (TSVs) to devise 3D PDNs. However, a host of vulnerabilities influence their resiliency and reliability such as power supply noise, long parasitic current paths, switching activities, high frequencies, and sensitivity to temperature...
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