Research Article
Reflection Reduction on DDR3 High-Speed Bus by Improved PSO
Table 4
The results of parameter optimization.
| | Parameter | This paper | Reference [4] method |
| | Line length | | | | | 200 mil | 346 mil | | | 1356 mil | 951 mil | | | 128 mil | 581 mil | | Impedance | | | | | 48 Ω | 44 Ω | | | 45 Ω | 47 Ω | | | 52 Ω | 55 Ω | | Write DDR3 | | | | | 34 Ω | 34 Ω | | | 60 Ω | 60 Ω | | Read DDR3 | | | | | 40 Ω | 40 Ω | | | 60 Ω | 60 Ω | | The radius of the via () | 6 mil | — | | The length of the via () | 1.6 mm | — |
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