IXP45X INTEL [Intel Corporation], IXP45X Datasheet - Page 106
IXP45X
Manufacturer Part Number
IXP45X
Description
Product Line of Network Processors
Manufacturer
INTEL [Intel Corporation]
Datasheet
1.IXP45X.pdf
(148 pages)
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Figure 12.
5.2.5
Figure 13.
5.3
Intel
Datasheet
106
®
IXP45X and Intel
OSC_VCCP Power Filtering Diagram
OSC_VCC Requirement
A parallel combination of a 10-nF capacitor (for bypass) and a 200-nF capacitor (for a
first-order filter with a cut-off frequency below 33 MHz) must be connected to both of
the OSC_VCC pins of the IXP45X/IXP46X network processors.
The grounds of both capacitors should be connected to the OSC_VSS supply pin. Both
capacitors should be located less than 0.5 inch away from the OSC_VCC pin and the
associated OSC_VSS pin.
In order to achieve a 200-nF capacitance, a parallel combination of two 100-nF
capacitors may be used as long as the capacitors are placed directly beside each other.
OSC_VCC Power Filtering Diagram
RCOMP Pin Requirements
Figure 14
®
V c c p
V c c
1 0 n F
IXP46X Product Line of Network Processors
V
shows the requirements for the RCOMP pin.
V
S S
S S
Intel
®
1 0 0 n F
IXP45X and Intel
1 7 0 n F
®
IXP46X Product Line of Network Processors—Datasheet
1 0 0 n F
O S C _ V C C P
O S C _ V S S P
O S C _ V S S P
O S C _ V C C
O S C _ V S S
I X P 4 5 X / I X P 4 6 X
P r o c e s s o r s
Document Number:
IX P 4 5 X /IX P 4 6 X
N e t w o r k
I n t e l
P r o c e s s o r s
N e tw o r k
In te l
®
®
306261-004US
August 2006
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