CY28378 Cypress Semiconductor, CY28378 Datasheet - Page 16

• Manufacturer Part Number: CY28378
• Description: FTG for Pentium 4 and Intel 845 Series Chipset
• Manufacturer: Cypress Semiconductor

Document #: 38-07519 Rev. **
Test and Measurement Set-up
For Differential CPU Output Signals
The following diagram shows lumped test load configurations
for the differential Host Clock Outputs.
MULTSEL
Figure 5. Lumped Load For Single-Ended Output Signals (for AC Parameters Measurement)
IREF
2 .4 V
1 .5 V
0 .4 V
CPUC
CPUT
T r
-
3 .3 V
3 .3 V s ig n a l s
Figure 4. 0.7V Configuration
tD C
T f
T
T
PCB
PCB
0 V
-
O u tp u t u n d e r T e s t
2pF
2pF
Measurem ent Point
Measurem ent Point
P r o b e
L o a d C a p
CY28378
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