
CY284108
...................... Document #: 38-07713 Rev. *B Page 14 of 16
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.
PCI/
USB
REF
12
Measurement
Point
5 pF
60
12
Measurement
Point
5 pF
60
12
Measurement
Point
5 pF
60
12
Measurement
Point
5 pF
60
12
Measurement
Point
5 pF
60
Figure 8. Single-ended Load Configuration
CP U T
CP U C
33
33
49. 9
49 . 9
M eas ur em ent
Po in t
2 pF
475
IR E F
M eas ur em ent
Po in t
2 p F
SR C T
SR C C
10 0
D ifferentia l
D O T 96T
D O T 96C
Figure 9. 0.7V Single-ended Load Configuration
2.4V
0.4V
3.3V
0V
T R
T F
1.5V
3.3V sig n a l s
T DC
-
Figure 10. Single-ended Output Signals (for AC Parameters Measurement)