Advantech EVA-X4300, User Manual

Page: 20 / 36

EVA-X4300 System Design Guide 16
2.7 DDR2 Interface
1. It is assumed that the reader is familiar with the specification and the basic elec-
trical operation of the DDR2 interface.
2. EVA-X4300 DDR2 interface substrate conductors’ length for signal integrality:
EVA-X4300 Substrate Conductor Length
Net Name Length in microns
MA[0] 13283.31
MA[1] 12989.16
MA[2] 8745.03
MA[3] 10321.07
MA[4] 10173.85
MA[5] 11728.8
MA[6] 12466.29
MA[7] 11480.64
MA[8] 7638.44
MA[9] 10753.84
MA[10] 13659.62
MA[11] 9367.04
MA[12] 7999.4
MA[13] 8948.06
MD[0] 12939.2
MD[1] 12379.26
MD[2] 12218.38
MD[3] 12868.28
MD[4] 13327.88
MD[5] 11731.55
MD[6] 11817.28
MD[7] 11681.94
MD[8] 11494.07
MD[9] 10379.54
MD[10] 10577.86
MD[11] 11902.14
MD[12] 11610.42
MD[13] 10048.32
MD[14] 10981.68
MD[15] 12062.12
BA0 10484.24
BA1 9914.61
BA2 9542.11
/CAS 9668.98
/CS0 10088.02
/CS1 10430.52
DQM0 12436.31
DQM1 10402.02
DQS0 10560.44
DQS1 9752.32