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A random access analog memory is designed without static power in this work. The analog memory appears the benefit on the great reduction of interconnections but suffers from the static power consumption and inaccuracy. As a hybrid, the hexadecimal signal processing is targeted in this paper. For storing hexadecimal values even implementing hexadecimal sequential logic, a master-slave structure is...
We study supervisory control of timed discrete-event systems (TDES) under partial observation, and propose new observability concepts effective for supervisor synthesis. First, we consider monolithic/centralized supervisory control, and introduce <bold>timed relative observability</bold> and <bold>timed relative weak observability</bold>. The former concept extends our previous...
The feasibility of quaternary field programmable gate array (FPGA) is investigated in this work by using standard CMOS technology and ordinary dual-rail of power supply lines. For quaternary signal processing, the basic functional circuits, quaternary memory unit, look-up table (LUT), and framework of FPGA addressing are proposed. Employing the Neuron-MOS mechanism, multi-threshold voltage inverters...
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