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In this paper, for the first time we demonstrate that horizontally stacked gate-all-around (GAA) Nanosheet structure is a good candidate for the replacement of FinFET at the 5nm technology node and beyond. It offers increased Weff per active footprint and better performance compared to FinFET, and with a less complex patterning strategy, leveraging EUV lithography. Good electrostatics are reported...
A cost competitive 20nm technology node is described that enabled industry-first 20nm cellular modem chip with 2× peak data rates vs 28nm, and 2× carrier aggregation. Process and design enhancements for layout context optimization, and continuous process improvements resulted in 18% boost in circuit performance while simultaneously achieving >30% power reduction. 3 mask local interconnect and 64nm...
FinFET devices achieving N/P Ion values of 1250/950 uA/um at 100nA/um at 1V, 1300/1000 uA/um with self-heating correction, are demonstrated, using a dual work function gate-first process flow at 100 nm gate pitch and 40 nm fin pitch. Ring-oscillator (RO, FO=3) functionality has been demonstrated, showing excellent Vdd scalability. We have also demonstrated logic scan chain functionality and yield...
With newer technology nodes, circuit/device/process codesign is essential to realize the advantages of scaling. Leveraging co-design approach based on a well-established manufacturing flow, a cost effective 28 nm 4G SOC technology has been crafted. This 28 nm design strategy uses two sets of design rules and 7 different Vt cells with optimal power gating to achieve a 2.4× increase in gate density,...
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