CY28551LFXC Silicon Laboratories Inc, CY28551LFXC Datasheet - Page 26

• Manufacturer Part Number: CY28551LFXC
• Description: Clock Generators & Support Products Universal System Clk Intel AMD SiS Via
• Manufacturer: Silicon Laboratories Inc

Specifications of CY28551LFXC

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Rev 1.1, Faburary 1, 2008
The following diagrams show the test load configuration for the
differential CPU and PCIEX outputs.
C P U C _ K 8
C P U T _ K 8
Figure 16. Differential Measurement for Differential Output Signals (for AC Parameters Measurement)
L 1
L 1
O U T +
O U T-
1 5 O h m
1 5 O h m
Figure 14. Differential Load Configuration for 0.7V Push Pull Clock
Figure 15. Differential Load Configuration for 0.7 Push Pull Clock
L
L
1
1
L1 = 0.5", L2 = 7"
L 2
L 2
22Ω
22Ω
T
T
P C B
P C B
50Ω
50Ω
L
L
2
2
3 9 0 0 p F
3 9 0 0 p F
1 6 9 O h m
2 pF
2 pF
M easurem ent
M easurem ent
L 3
L 3
Point
Point
1 . 2 5 V
1 . 2 5 V
1 2 5 O h m
1 2 5 O h m
5 p F
5 p F
M e a s u r e m e n t
M e a s u r e m e n t
CY28551
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P o i n t
P o i n t