9DB102BFILF IDT [Integrated Device Technology], 9DB102BFILF Datasheet - Page 6

• Manufacturer Part Number: 9DB102BFILF
• Description: Two Output Differential Buffer for PCIe Gen1 & Gen2
• Manufacturer: IDT [Integrated Device Technology]

IDT
ICS9DB102
Two Output Differential Buffer for PCIe Gen1 & Gen2
®
Two Output Differential Buffer for PCIe Gen1 & Gen2
L1 length, route as non-coupled 50ohm trace
L2 length, route as non-coupled 50ohm trace
L3 length, route as non-coupled 50ohm trace
Rs
Rt
L4 length, route as coupled microstrip 100ohm differential trace 2 min to 16 max
L4 length, route as coupled stripline 100ohm differential trace
L4 length, route as coupled microstrip 100ohm differential trace 0.25 to 14 max
L4 length, route as coupled stripline 100ohm differential trace
Figure 2: PCI Express Connector Routing
Figure 1: Down Device Routing
HCSL Output Buffer
HCSL Output Buffer
Common Recommendations for Differential Routing
Differential Routing to PCI Express Connector
Down Device Differential Routing
L1'
L1
L1'
L1
Rs
Rs
Rs
Rs
SRC Reference Clock
L2'
L2
L2'
L2
6
Rt
Rt
L3'
L3'
L3
L3
Rt
Rt
0.5 max
0.2 max
0.2 max
33
49.9
1.8 min to 14.4 max
0.225 min to 12.6 max
Dimension or Value
L4'
L4
L4'
L4
REF_CLK Input
Add-in Board
PCI Express
REF_CLK Input
Down Device
PCI Express
ohm
ohm
Unit
inch
inch
inch
inch
inch
inch
inch
852
Figure
REV K 04/01/10
1
1
1
1
1
1
1
2
2