cy28548 SpectraLinear Inc, cy28548 Datasheet - Page 26

• Manufacturer Part Number: cy28548
• Description: Clock Generator For Intel Crestline Chipset
• Manufacturer: SpectraLinear Inc

Rev 1.5 September 16, 2008
For CPU, SRC, and DOT96 Signals and Reference
This diagram shows the test load configuration for the differential CPU and SRC outputs
VIH = +150V
Clock-Clock#
VIL = -150V
Clck-Clck#
0.0V
Figure 18. Differential Measurement for Differential Output Signals (for AC Parameters Measurement)
O U T -
0.0V
O U T +
Figure 16. Single-ended Output Signals (for AC Parameters Measurement)
Edge
Rise
Rate
Positive Duty Cycle (Differential)
Figure 17. 0.7V Differential Load Configuration
L = 8 "
5 0 O h m
5 0 O h m
L
L
Clock Period (Differential)
Edge
Rate
Fall
Negative Duty Cycle (Differential)
2 p F
2 p F
M e a s u re m e n t P o in t
M e a s u re m e n t P o in t
VIH = +150V
0.0V
VIL = -150V
CY28548
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0.0V