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Robust circuit implementation of 4-bit 4-tube CNFET based ALU at 16-nm technology node
Tremendous and inescapable application of full adder adds impetus to its optimization till high-end performance. Use of full adder propels the design engineer to unearth various digital circuits, whose implementation otherwise would not be a cakewalk. This paper exhumes finest 3-bit parity checker i...
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Published in: | Analog integrated circuits and signal processing 2021, Vol.109 (1), p.127-134 |
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Main Authors: | , , |
Format: | Article |
Language: | English |
Subjects: | |
Citations: | Items that this one cites Items that cite this one |
Online Access: | Get full text |
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Summary: | Tremendous and inescapable application of full adder adds impetus to its optimization till high-end performance. Use of full adder propels the design engineer to unearth various digital circuits, whose implementation otherwise would not be a cakewalk. This paper exhumes finest 3-bit parity checker in terms of power dissipation (PWR) and energy-delay product (EDP) variability. MCML (MOS Current Mode Logic) based implementation is practiced to improvise the circuit. Further, in this treatise, above mentioned 'CNFET-based 3-bit MCML parity checker' (used as full adder) and Transmission Gate based multiplexer is used to implement a novel design of '4-Bit 4-Tube CNFET based ALU' at 16-nm Technology Node. This CNFET-based ALU thus implemented is further compared with its CMOS counterpart. Simulation results establish the superior performance of proposed '4-Bit 4-Tube CNFET-based ALU' in terms of propagation delay (t
p
) (9.04×), PWR (1.68×), PDP (15.09×) and EDP (136.42×). The exposition establishes that the idea of using a 'CNFET-based 3-bit MCML parity checker' to design a new ALU circuit, i.e., '4-Bit 4-Tube CNFET-based ALU' would provide a gigantic horizon for a design engineer. |
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ISSN: | 0925-1030 1573-1979 |
DOI: | 10.1007/s10470-021-01825-y |