Abstract
The augmentation of transistor technologies with resonant tunnelling diodes (RTDs) has demonstrated improved circuit performance and it has been claimed that it could be the way to extend lifetime of current technologies. Thus the research on circuit topologies using RTDs and transistors is of critical importance for these emergent technologies. In particular, threshold logic gates (TGs) and multi threshold gates (MTTGs) have been efficiently implemented. In this paper we propose a novel circuit topology to implement MTTGs which exhibits advantages in terms of speed and power consumption with respect to the previously reported circuit. A comparison between both topologies is carried out for a useful logic block: a gate which simultaneously implements the EXOR and the NAND functions.
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