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This paper presents a heterogeneous database hardware accelerator MPSoC manufactured in 28 nm SLP CMOS. The 18 mm2 chip integrates a runtime task scheduling unit for energy-efficient query processing and hierarchical power management supported by an ultra-fast dynamic voltage and frequency scaling. Four processing elements, connected by a star-mesh network-on-chip, are accelerated by an instruction...
This paper presents a current bias circuit for digitally controlled oscillators (DCOs). It consists of three individual current components with different supply voltage and temperature sensitivities and thereby allows to effectively compensate period variations with respect to supply voltage and temperature. This reduces the required fine tuning range for ADPLL application of the DCO. The concept...
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