CY28441 Cypress Semiconductor, CY28441 Datasheet - Page 18

• Manufacturer Part Number: CY28441
• Description: Clock Generator
• Manufacturer: Cypress Semiconductor

Document #: 38-07679 Rev. **
Test and Measurement Set-up
The following diagram shows the test load configurations for
the single-ended USB, and REF output signals
For PCI Single-ended Signals and Reference
Figure 14 shows the test load configuration for single-ended
PCI outputs.
For Differential CPU, SRC and DOT96 Output Signals
Figure 15 shows the test load configuration for the differential
CPU and SRC outputs.
R E F
U S B
D O T 9 6 C
D O T 9 6 T
3 3 Ω
C P U C
S R C C
IR E F
C P U T
S R C T
2 2 Ω
2 2 Ω
2.4V
1.5V
0.4V
4 7 5 Ω
Figure 14. Single-ended Lumped Load Configuration for PCI Outputs
T r
6 0 Ω
4 9 .9 Ω
Figure 15. 0.7V Single-ended Load Configuration
3 3 Ω
3 3 Ω
3.3V
6 0 Ω
6 0 Ω
tDC
T f
4 9 .9 Ω
1 0 0 Ω D iff e r e n tia l
5 p F
0V
M e a s u re m e n t
5 p F
5 p F
M e a s u re m e n t
M e a s u re m e n t
P o in t
P o in t
P o in t
Output under Test
2 p F
2 p F
M e a s u r e m e n t
M e a s u r e m e n t
P o in t
P o in t
P robe
Load Cap
30pF
CY28441
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