
CY28446
.....................Document #: 001-00168 Rev *F Page 18 of 19
Test and Measurement Set-up
For PCI Single-ended Signals and Reference
The following diagram shows the test load configuration of
single-ended PCI, USB output signals.
The following diagram shows the test load configuration for the
differential CPU and SRC outputs.
Figure 14. Single-ended PCI, USB Load Configuration
5 pF
Figure 15. 0.7V Differential Load Configuration
CPUT
SR C T
D O T96T
T
PC B
TPCB
CPUC
SRC C
D TO 96C
L1
L2
100 ohm D ifferential
2 pF
M easurem ent
point
M easurem ent
point
2.0V
0.8V
3.3V
0V
T R
T F
1.5V
3.3V s ig n als
T DC
-
Figure 16. Single-ended Output Signals (for AC Parameters Measurement)