9DB1904BKLF IDT [Integrated Device Technology], 9DB1904BKLF Datasheet - Page 11

• Manufacturer Part Number: 9DB1904BKLF
• Description: 19 Output Differential Buffer for PCIe Gen2 and QPI
• Manufacturer: IDT [Integrated Device Technology]

IDT
9DB1904B
19 Output Differential Buffer for PCIe Gen2 and QPI
®
19 Output Differential Buffer for PCIe Gen2 and QPI
Vdiff
0.45v
0.58
0.80
0.60
R1a = R1b = R1
R2a = R2b = R2
HCSL Output Buffer
Figure 3
Alternative Termination for LVDS and other Common Differential Signals (figure 3)
Vp-p
0.22v
0.28
0.40
0.3
Vcm
1.08
0.6
0.6
1.2
Figure 4
Component
R5a, R5b
R6a, R6b
Cc
Vcm
L1'
L1
Cable Connected AC Coupled Application (figure 4)
Cc
Cc
R1
33
33
33
33
R1a
R1b
L4'
L4
R2
150
78.7
78.7
174
Value
8.2K 5%
1K 5%
0.1 µF
0.350 volts
L2'
L2
R2a
R5a
R6a
11
L3'
3.3 Volts
100
137
none
140
R3
R3
L3
Note
R5b
R6b
R2b
R4
100
100
100
100
L4'
L4
REF_CLK Input
PCIe Device
Note
ICS874003i-02 input compatible
Standard LVDS
R4
REF_CLK Input
Down Device
1607C—04/19/11