557G-08LF Integrated Device Technology (Idt), 557G-08LF Datasheet - Page 6

• Manufacturer Part Number: 557G-08LF
• Description: Clock Multiplexer 2-IN HCSL/LVDS 16-Pin TSSOP Tube
• Manufacturer: Integrated Device Technology (Idt)

Specifications of 557G-08LF

• Package: 16TSSOP
• Configuration: 1 x 2:1
• Input Signal Type: HCSL|LVDS
• Operating Supply Voltage: 3.3 V

LVDS Compatible Layout Guidelines
LVDS Device Routing
Typical LVDS Waveform
IDT® 2:1 MULTIPLEXER CHIP FOR PCI-EXPRESS
ICS557-08
2:1 MULTIPLEXER CHIP FOR PCI-EXPRESS
Vdiff
0.45v
0.58
0.80
0.60
R1a = R1b = R1
R2a = R2b = R2
HCSL Output Buffer
Figure 3
1000 mV
1150 mV
Vp-p
0.22v
0.28
0.40
0.3
t
OR
1250 mV
Alternative T ermination for LVDS and other Common Differential Signals
500 ps
Vcm
1.08
0.6
0.6
1.2
1325 mV
L1'
L1
500 ps
1250 mV
R1
33
33
33
33
R1a
R1b
1150 mV
t
OF
R2
150
78.7
78.7
174
L2'
L2
R2a
L3'
6
R3
100
137
none
140
R3
L3
R2b
R4
100
100
100
100
L4'
L4
Note
ICS874003i-02 input compatible
Standard LVDS
R4
ICS557-08
PCIE MULTIPLEXER
REF_CLK Input
Down Device
REV J 121510