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A 45nm low power system-on-chip technology with dual gate (logic and I/O) high-k/metal gate strained silicon transistors
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2008
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Robust ReliabilityEngineeringVlsi DesignIntegrated CircuitsPower ElectronicsSemiconductor DeviceHigh-k/metal GateHigh-speed ElectronicsNanoelectronicsElectronic EngineeringElectronic CircuitElectrical EngineeringNm Cmos System-on-chipBias Temperature InstabilityEdge 45MicroelectronicsDual GateLow-power ElectronicsSilicon TransistorsBeyond Cmos
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 45nm bulk CMOS technology has been achieved with measured f <inf xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">T</inf> /f <inf xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">MAX</inf> values of 395GHz/410GHz for NMOS and 300GHz/325GHz for PMOS with 28nm L <inf xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">gate</inf> 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.