CY28447LFXC Silicon Laboratories Inc, CY28447LFXC Datasheet - Page 20

• Manufacturer Part Number: CY28447LFXC
• Description: Clock Generators & Support Products Calistoga System Clk Extra SRC Output
• Manufacturer: Silicon Laboratories Inc

Specifications of CY28447LFXC

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Rev 1.0, November 20, 2006
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.
9 6 _ 1 0 0 _ S S C C
9 6 _ 1 0 0 _ S S C T
Figure 15.Single-ended Load Configuration Low Drive Option
D O T 9 6 C
D O T 9 6 T
I R E F
Figure 16. Single-ended Load Configuration High Drive Option
REF
C P U C
S R C C
C P U T
S R C T
USB
PCI/
4 7 5 Ω
R E F
U S B
P C I/
Figure 17. 0.7V Differential Load Configuration
4 9 . 9 Ω
3 3 Ω
3 3 Ω
33Ω
12Ω
12Ω
4 9 . 9 Ω
12Ω
1 0 0 Ω D if f e r e n t ia l
12Ω
12Ω
12Ω
12Ω
60Ω
60Ω
60Ω
60Ω
60Ω
60Ω
60Ω
60Ω
5pF
5pF
5pF
Measurement
Measurement
Measurement
5pF
5pF
2 p F
5pF
5pF
5pF
2 p F
Point
Point
Point
M easurem ent
M easurem ent
M easurem ent
M easurem ent
M easurem ent
M e a s u r e m e n t
M e a s u r e m e n t
P oint
P oint
P oint
P oint
P oint
P o in t
P o in t
CY28447
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