This paper presents an MCM routing algorithm considering crosstalk. The aim of the algorithm is to minimize the total wire length under the condition that the crosstalk constraints among nets are satisfied. Experimental results show the effectiveness of the algorithm.
We have developed test structures to experimentally extract the substrate-noise coupling characteristics between MOSFETs. It was found that the noise propagation from the aggressor to the victim can be described on the basis of the small-signal properties observed at the substrate node of the aggressor. Based on the finding an equivalent circuit was developed to predict the propagated noise intensity induced during circuit operation. The resulting prediction was verified to be in good agreement with the measured results.
We demonstrated photodetection in proton-bombarded InP at wavelengths well below the normal band edge of InP (hν<Eg). We used p-type substrates. The proton bombardment served two functions: (1) it converted the bombarded layer into n type, thus, forming p-n photodiodes reported in this letter, and (2) it produced a broad band of absorption extending below the band edge which made photodetection in the infrared possible. Responses up to wavelength of 1.52 μm, a dark current of 3 nA at a bias of −10 V, and a transient response of less than 100 ps (full width at half-maximum) at 1.06 μm have been observed.
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