CY28409OCXT SPECTRALINEAR [SpectraLinear Inc], CY28409OCXT Datasheet - Page 15

• Manufacturer Part Number: CY28409OCXT
• Description: Clock Synthesizer with Differential SRC and CPU Outputs
• Manufacturer: SPECTRALINEAR [SpectraLinear Inc]

Rev 1.0, November 22, 2006
Test and Measurement Set-up
For Differential CPU and SRC Output Signals
The following diagram shows lumped test load configurations
for the differential Host Clock Outputs.
Table 10.CPU Clock Current Select Function
Ordering Information
CY28409OC
CY28409OCT
CY28409ZC
CY28409ZCT
PB-Free
CY28409OXC
CY28409OCXT
CY28409ZXC
CY28409ZXCT
Board Target Trace/Term Z
Part Number
Figure 12. Lumped Load For Single-ended Output Signals (for AC Parameters Measurement)
50 Ohms
IR E F
C P U C
C P U T
2 .0 V
1 .5 V
0 .8 V
56-pin SSOP
56-pin SSOP – Tape and Reel
56-pin TSSOP
56-pin TSSOP – Tape and Reel
56-pin SSOP
56-pin SSOP – Tape and Reel
56-pin TSSOP
56-pin TSSOP – Tape and Reel
4 7 5
T r
3 3
3 3
-
Figure 11. 0.7V Load Configuration
Reference R, I
R
4 9 .9
REF
3 .3 V
4 9 .9
3 .3 V s ig n a ls
= 475 1%, I
T
T
P C B
P C B
tD C
Package Type
T f
REF
REF
– V
DD
0 V
= 2.32 mA
(3*R
2 p F
2 p F
REF
M e a s u re m e n t
M e a s u re m e n t
-
O u tp u t u n d e r T e s t
)
P o in t
P o in t
Output Current
I
OH
P ro b e
L o a d C a p
= 6*I
REF
Commercial, 0 to 70 C
Commercial, 0 to 70 C
Commercial, 0 to 70 C
Commercial, 0 to 70 C
Commercial, 0 to 70 C
Commercial, 0 to 70 C
Commercial, 0 to 70 C
Commercial, 0 to 70 C
Product Flow
CY28409
Page 15 of 16
0.7V @ 50
Voh @ Z