Abstract
This paper describes the design methodology for gate driven NMOS ESD protection in submicron CMOS processes. A new PNP Driven NMOS (PDNMOS)-protection scheme is presented. Without requiring any additional process steps or introducing any additional impedance in signal path, the PDN-MOS is effective even for small analog/mixed-signal designs. SPICE simulations are used to optimize the design. High ESD performance of the PDNMOS protection in both nonsilicided and silicided submicron processes is demonstrated in this work.
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