Intel
®
IXP45X and Intel
®
IXP46X Product Line of Network Processors
February 2007 HDD
Document Number: 305261, Revision: 004 93
DDR-SDRAM—Intel
®
IXP45X and Intel
®
IXP46X Product Line of Network Processors
Table 37. Data Group Topology Transmission Line Characteristics
Transmission Line Length
TL1 (T
pd
= 175 ps/in) ~600 mils
TL2 (T
pd
= 175 ps/in) ~50 mils
TL3 (T
pd
= 175 ps/in) ~1,100 mils
TL4 (T
pd
= 175 ps/in) ~50 mils
TL5, TL6 (T
pd
= 175 ps/in) ~300 mils
TL7, TL8 (T
pd
= 175 ps/in) ~800 mils