cy28549 SpectraLinear Inc, cy28549 Datasheet - Page 21

• Manufacturer Part Number: cy28549
• Description: Clock Generator For Intel Ck410m
• Manufacturer: SpectraLinear Inc

Document #:xxx-xxxxx Rev **
Test and Measurement Set-up
For Single-ended Signals and Reference
The following diagram shows test load configurations for the
single-ended PCI, USB, and REF output signals.
The following diagram shows the test load configuration for the
differential CPU and SRC outputs.
Figure 13.Single-ended Load Configuration Low Drive Option
Figure 14. Single-ended Load Configuration High Drive Option
REF
USB
PCI/
R EF
USB
PCI/
Figure 15. 0.8V Differential Load Configuration
33Ω
12Ω
12Ω
PRELIMINARY
12Ω
12Ω
12Ω
12Ω
12Ω
60Ω
60Ω
60Ω
60Ω
60Ω
60Ω
60Ω
60Ω
5 pF
5 pF
5 pF
Measurement
Measurement
Measurement
5 pF
5 pF
5 pF
5 pF
5 pF
Point
Point
Point
M easurem ent
M easurem ent
M easurem ent
M easurem ent
M easurem ent
P oint
P oint
P oint
P oint
P oint
CY28549
Page 21 of 23