cy284108 SpectraLinear Inc, cy284108 Datasheet - Page 14

• Manufacturer Part Number: cy284108
• Description: Clock Generator For Intel Blackford And Bayshore Chipsets
• Manufacturer: SpectraLinear Inc

Rev 1.0, November 22, 2006
Test and Measurement Set-up
For PCI Single-ended Signals and Reference
Figure 8 shows the test load configurations for the single-ended PCI, USB, and REF output signals.
For Differential CPU, SRC and DOT96 Output Signals
Figure 9 shows the test load configuration for the differential CPU and SRC outputs.
D O T 9 6 C
D O T 9 6 T
C P U C
S R C C
IR E F
C P U T
S R C T
2 .4 V
1 .5 V
0 .4 V
4 7 5 Ω
Figure 10. Single-ended Output Signals (for AC Parameters Measurement)
REF
USB
PCI/
4 9 . 9 Ω
Figure 8. Single-ended Load Configuration
3 3 Ω
3 3 Ω
T
Figure 9. 0.7V Single-ended Load Configuration
R
-
4 9 .9 Ω
1 0 0 Ω D iff e r e n t ia l
3 .3 V
12Ω
12Ω
12Ω
12Ω
12Ω
3 .3 V s ig n a l s
T
D C
T
60Ω
F
60Ω
60Ω
60Ω
60Ω
0 V
2 p F
2 p F
5 pF
M e a s u r e m e n t
5 pF
M e a s u r e m e n t
5 pF
5 pF
5 pF
Measurement
Measurement
Measurement
Measurement
Measurement
P o in t
-
P o in t
Point
Point
Point
Point
Point
CY284108
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