In nanoscale technology, transistor aging is one of the most critical problems that impact on the reliability of circuits. Aging sensor is a good online way to detect the circuit aging, which performs during the opera...In nanoscale technology, transistor aging is one of the most critical problems that impact on the reliability of circuits. Aging sensor is a good online way to detect the circuit aging, which performs during the operating time with no influence of the normal operation of circuits. In this paper, a Dou- ble-edge-triggered Detection Sensor for circuit Aging （DSDA） is proposed, which employs data signal of logic circuits as its clock to control the sampling process. The simulation is done by Hspice using 45 nm technology. The results show that this technique is not case of the detection precision is more than 80% under aging fault effectively with the 8% power cost and 30% sensitive to the process variations. The worst the different process variations. It can detect performance cost.展开更多
This paper presents a 10-GHz 8-bit direct digital synthesizer（DDS） microwave monolithic integrated circuit implemented in 1μm GaAs HBT technology.The DDS takes a double-edge-trigger（DET） 8-stage pipeline accumula...This paper presents a 10-GHz 8-bit direct digital synthesizer（DDS） microwave monolithic integrated circuit implemented in 1μm GaAs HBT technology.The DDS takes a double-edge-trigger（DET） 8-stage pipeline accumulator with sine-weighted DAC-based ROM-less architecture,which can maximize the utilization ratio of the GaAs HBT＇s high-speed potential.With an output frequency up to 5 GHz,the DDS gives an average spurious free dynamic range of 23.24 dBc through the first Nyquist band,and consumes 2.4 W of DC power from a single-4.6 VDC supply.Using 1651 GaAs HBT transistors,the total area of the DDS chip is 2.4×2.0 mm^2.展开更多
基金Supported by the National Natural Science Foundation of China (No.61274036 and 61106038)Anhui Provincial Natural Science Foundation of China (No.090412034)
文摘In nanoscale technology, transistor aging is one of the most critical problems that impact on the reliability of circuits. Aging sensor is a good online way to detect the circuit aging, which performs during the operating time with no influence of the normal operation of circuits. In this paper, a Dou- ble-edge-triggered Detection Sensor for circuit Aging （DSDA） is proposed, which employs data signal of logic circuits as its clock to control the sampling process. The simulation is done by Hspice using 45 nm technology. The results show that this technique is not case of the detection precision is more than 80% under aging fault effectively with the 8% power cost and 30% sensitive to the process variations. The worst the different process variations. It can detect performance cost.
基金Project supported by the State Key Development for Basic Research Program of China(No.2010CB327505).
文摘This paper presents a 10-GHz 8-bit direct digital synthesizer（DDS） microwave monolithic integrated circuit implemented in 1μm GaAs HBT technology.The DDS takes a double-edge-trigger（DET） 8-stage pipeline accumulator with sine-weighted DAC-based ROM-less architecture,which can maximize the utilization ratio of the GaAs HBT＇s high-speed potential.With an output frequency up to 5 GHz,the DDS gives an average spurious free dynamic range of 23.24 dBc through the first Nyquist band,and consumes 2.4 W of DC power from a single-4.6 VDC supply.Using 1651 GaAs HBT transistors,the total area of the DDS chip is 2.4×2.0 mm^2.
