ICS9DB102
Two Output Differential Buffer for PCIe Gen1 & Gen2
Alternative Termination for LVDS and other Common Differential Signals (figure 3)
Vdiff
0.45v
0.58
0.80
0.60
Vp-p
0.22v
0.28
0.40
0.3
Vcm
1.08
0.6
R1
33
33
33
33
R2
R3
R4
Note
150
78.7
78.7
174
100
137
none
140
100
100
100
100
0.6
ICS874003i-02 input compatible
Standard LVDS
1.2
R1a = R1b = R1
R2a = R2b = R2
Figure 3
L2
L1
R3
R4
R1a
L4
L4'
L2'
L1'
R1b
R2a
R2b
HCSL Output Buffer
Down Device
REF_CLK Input
L3'
L3
Cable Connected AC Coupled Application (figure 4)
Component
R5a, R5b
R6a, R6b
Cc
Value
Note
8.2K 5%
1K 5%
0.1 µF
Vcm
0.350 volts
Figure 4
3.3 Volts
R5a
R5b
R6b
Cc
L4
L4'
Cc
R6a
PCIe Device
REF_CLK Input
IDT® Two Output Differential Buffer for PCIe Gen1 & Gen2
852 REV K 04/01/10
7
IDT [ INTEGRATED DEVICE TECHNOLOGY ]
