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The level shifters are crucial primitives in the multi-supply voltage circuits and systems. In this paper, an energy-efficient level shifter is proposed to achieve the conversion from the subthreshold voltage to the above threshold voltage. It is a hybrid structure consisting of the Wilson current mirror and the cross-coupled level shifter. By addressing the voltage drop issue of the level shifter...
The globalization of integrated circuits (ICs) design and fabrication has given rise to severe concerns on the devastating impact of subverted chip supply. Hardware Trojan (HT) is among the most dangerous threats to defend. The dormant circuit inserted stealthily into the chip by the advisory could steal the confidential information or paralyze the system connected to the subverted chip upon the HT...
With the globalization of integrated circuit (IC) design and fabrication, there is a growing concern on the devastating impact of subverted chip supply. This paper presents a current sensing circuit that converts the current activity on local power grid to a timing pulse to detect if an IC is Trojan-infected. This new approach increases the Trojan detection sensitivity by combining the switching activity...
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