Research Article
Efficient QCA Exclusive-or and Multiplexer Circuits Based on a Nanoelectronic-Compatible Designing Approach
Table 5
The proposed multiplexer improvements in comparison to other previous designs.
| Improvement | Circuit | Gate count (majority gate + inverter) | Area | Cell count | Latency |
| 2 : 1 multiplexer | [12] | 25% | 62% | 50% | 25% | [13] | 25% | 50% | 36% | 25% | [14] | 0% | 57% | 57% | 25% | [15] | 0% | 66% | 61% | 25% | [16] | 0% | 57% | 59% | 25% | [17] | 25% | 40% | 39% | 25% | [18] | 40% | −50% | 0% | 0% |
| 4 : 1 multiplexer | [19] | 40% | 56% | 66% | −28% | [20] | 50% | 56% | 33% | 12% | [21] | 18% | 26% | 46% | −42% | [14] | 0% | 54% | 48% | 22% | [15] | 0% | 84% | 82% | 36% | [16] | 18% | 56% | 61% | −16% | [22] | 35% | −37% | −12% | −75% |
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