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- Title
An ultra-dense and cost-efficient coplanar RAM cell design in quantum-dot cellular automata technology.
- Authors
Patidar, Mukesh; Jain, Ankit; Patidar, Keshav; Shukla, Surendra Kumar; Majeed, Ali H.; Gupta, Namit; Patidar, Nilesh
- Abstract
The quantum-dot cellular automata (QCA) are an alternative nanotechnology for overcoming the drawbacks of traditional CMOS technology. QCA is one of the alternative transistors-less nanotechnologies for the implementation of computational circuits. It can also be used for implementation in molecular and nanoscale structures. In this paper, ultradense and quantum-cost-efficient random access memory (RAM) cell designs have been proposed, which are critical for designing large memory circuits. A novel loop-based RAM cell design using a proposed 2:1 multiplexer (MUX) and a three-input majority gate has been implemented on different quantum-dot cell sizes such as 14 × 14 nm2, 16 × 16 nm2, and 18 × 18 nm2. According to the performance results, the RAM cell design has a 35.89% minimum cell count, a 56.05% small area, and a 16.66% reduction in latency as compared to its existing design. The presented design performance and energy consumption are evaluated by QCADesigner-E 2.2 (coherence vector W/energy) and QCADesigner version 2.0.3 (bistable approximation) and also show the thermal map of the suggested MUX and RAM cell designs at 2 K temperature.
- Subjects
QUANTUM dots; RANDOM access memory; CELLULAR automata; DISPLAY systems
- Publication
Journal of Supercomputing, 2024, Vol 80, Issue 5, p6989
- ISSN
0920-8542
- Publication type
Article
- DOI
10.1007/s11227-023-05722-1