Research Article
An Efficient Design of DCT Approximation Based on Quantum Dot Cellular Automata (QCA) Technology
Table 2
Comparison of the proposed 8-bit adder with the previous works.
| | Circuit | Cell count | Area (μm2) | Clock no. cycle | Crossover type |
| | Full adder [54] | 1782 | 1.49 | 10 | Multilayer | | Full adder [47] | 789 | 0.948 | 10 | Multilayer | | Full adder [55] | 517 | 0.59 | 10 | Multilayer | | Full adder [48] | 572 | 0.492 | 11 | Coplanar | | Proposed adder | 526 | 0.89 | 3.5 | Coplanar |
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