Research Article
A Survey Addressing On-Chip Interconnect: Energy and Reliability Considerations
Table 2
Error coding overhead.
| | Code type | Parity lines | Overhead factor | Encoder area um2 | Encoder delay ps | Encoder energy fJ/bit | decoder area um2 | Decoder delay ps | Decoder energy fJ/bit | | 0.5 V | 1.0 V | 0.5 V | 1.0 V | 0.5 V | 1.0 V | 0.5 V | 1.0 V |
| | (5, 4) Parity | 1 | 1.25 | 12 | 360 | 51 | 0.4 | 1.7 | 15.6 | 620 | 68 | 0.5 | 2.2 | | (7, 4) DED | 3 | 1.75 | 22.8 | 418 | 53 | 0.7 | 3.1 | 38.8 | 470 | 65 | 1.2 | 5.1 | | (9, 4) CRC-5 | 5 | 2.25 | 105.2 | 326 | 56 | 2.7 | 12.9 | 130.4 | 840 | 122 | 3.4 | 15.5 | | (7, 4) SEC | 3 | 1.75 | 22.8 | 418 | 53 | 0.7 | 3.1 | 87.2 | 1240 | 151 | 1.6 | 7.2 | | (8, 4) SECDED | 4 | 2 | 46 | 1360 | 153 | 1.4 | 6.1 | 120.4 | 1540 | 188 | 2.8 | 12.6 |
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