A high-density, matched hexagonal transistor structure in standardCMOS technology for high-speed applications |
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Authors: | Van den Bosch A Steyaert MSJ Sansen W |
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Affiliation: | Katholieke Univ., Leuven; |
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Abstract: | In this paper, a very dense CMOS hexagonal transistor structure is presented. The main advantages of the transistors are the low parasitic drain and source capacitance caused by the small area. The matching properties of this structure have been investigated, and these results have been compared with those for traditional finger-style structures. Exploiting the advantages, these transistors are very well suited for high-speed applications with a demand for both good matching and a small area, such as multibit current steering D/A converters or wireless applications. The test chips have been implemented in a standard 0.5-μm CMOS technology. No adaptations to the standard technology have been made to realize the structures |
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