This paper presents new power efficient high throughput datapaths for portable multimedia devices. The various datapaths provide support for dense arithmetic operations. This work provides the performance evaluation for a library of reconfigurable datapath elements (Processing Elements) previously proposed and presents two new processing element architectures to be part of power efficient portable, multimedia processing systems. The performance results show that the proposed designs will provide a higher efficiency in power and area consumption compared to the previously suggested and commercial solutions, and could prove highly beneficial for the target domain of multimedia operations on portable systems.
We present exploratory studies of digital circuit design using the recently proposed ballistic deflection transistor (BDT) devices. We demonstrate a variety of possible logic functions through simple reconfiguration of two drain-connected BDTs. We further propose the creation of a three-BDT logic cell to yield differential versions of each logic function, improving overall flexibility of BDT circuit design. Each of the proposed gate configurations has been verified through extensive numerical calculations using an in-house Monte Carlo simulator. Simulation results show that the proposed gate arrangements are capable of achieving 400-GHz operating frequencies at room temperature. A compact fit-based analytical model to aid circuit design using BDTs is also introduced.Index Terms-High-frequency transistor structures, III-V compound semiconductors, logic design, Monte Carlo (MC) simulations, room-temperature ballistic transport, 2-D electron gas (2DGE).
scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.