cy28rs680 SpectraLinear Inc, cy28rs680 Datasheet - Page 19
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cy28rs680
Manufacturer Part Number
cy28rs680
Description
Clock Generator For Ati Rs5xx/6xx Chipsets
Manufacturer
SpectraLinear Inc
Datasheet
1.CY28RS680.pdf
(20 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
cy28rs680ZXC
Manufacturer:
CYPRESS/赛普拉斯
Quantity:
20 000
Rev 1.0, March 28, 2007
For SRC/ATIG Output Signals
The following diagram shows the test load configuration for the
differential SRC/ATIG outputs.
15 ohms
15 ohms
C P U C
C P U C
C P U T
C P U T
O u t+
O u t+
O u t+
O u t+
O u t
O u t
O u t
O u t
-
-
-
-
L
L
L
L
1
1
1
1
Figure 8. CPU Output Load Configuration
Figure 7. 0.7V Load Configuration
3 3 Ω
3 3 Ω
3 3 Ω
3 3 Ω
3900pF
3900pF
L
L
L
L
169 ohms
2
2
2
2
125 ohms
L 1 = 0 .5 ”, L 2 = 1 0 ”
L 1 = 0 .5 ”, L 2 = 1 0 ”
Vbias=1.25V
2 p F
2 p F
2 p F
2 p F
5pF
M e a s u r e m e n t
M e a s u r e m e n t
M e a s u r e m e n t
M e a s u r e m e n t
P o in t
P o in t
P o in t
P o in t
5pF
125 ohms
CY28RS680
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