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A leading edge 45 nm CMOS system-on-chip (SOC) technology using Hafnium-based high-k/metal gate transistors has been optimized for low power products. PMOS/NMOS logic transistor drive currents of 0.86/1.08 mA/um, respectively, have been achieved at 1.1 V and off-state leakage of 1 nA/um. Record RF performance for a mainstream 45 nm bulk CMOS technology has been achieved with measured fT/fMAX values of 395 GHz/410 GHz for NMOS and 300 GHz/325 GHz for PMOS with 28 nm Lgate transistors. HV I/O transistors with robust reliability and other SOC features, including linear resistors, MIS and MIM capacitors, varactors, inductors, vertical BJTs, precision diodes and high density OTP fuses are employed for HV I/O, analog and RF circuit integration.