PRIXP420ABB Intel, PRIXP420ABB Datasheet - Page 79

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PRIXP420ABB

Manufacturer Part Number
PRIXP420ABB
Description
Manufacturer
Intel
Datasheet

Specifications of PRIXP420ABB

Core Operating Frequency
266MHz
Package Type
BGA
Pin Count
492
Mounting
Surface Mount
Operating Temperature (max)
70C
Operating Temperature (min)
0C
Operating Temperature Classification
Commercial
Lead Free Status / Rohs Status
Compliant

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Datasheet—Intel
Figure 10.
5.2.3
Figure 11.
5.2.4
June 2007
Document Number:
V
V
A single 170-nF capacitor must be connected between the V
pin of the IXP42X product line and IXC1100 control plane processors. This capacitor
value provides both bypass and filtering.
When 170 nF is an inconvenient size, capacitor values between 150 nF to 200 nF could
be used with little adverse effects, assuming that the effective series resistance of the
200-nF capacitor is under 50 mΩ.
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.
V
shown in
V
V
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 V
processors.
®
SSP_OSC
CCPLL2
CCOSCP
252479-007US
IXP42X product line and IXC1100 control plane processors
CCOSCP
CCOSC
Power Filtering Diagram
Power Filtering Diagram
consists of two pins, AD10 and AF10. Ensure that both pins are connected as
Figure
Requirement
Requirement
CCOSC
3.3 V
1.3 V
10 nF
11.
V
Intel
V
pins of the IXP42X product line and IXC1100 control plane
SS
SS
®
IXP42X Product Line of Network Processors and IXC1100 Control Plane Processor
100 nF
170 nF
100 nF
V
V
V
V
CCOSCP
SSOSCP
SSOSCP
CCPLL2
V
SS
Intel
Intel
Product Line /
Product Line /
Intel
Control Plane
Intel
Control Plane
CCP_OSC
Processor
Processor
®
®
®
®
IXC1100
IXC1100
IXP42X
IXP42X
B1675-04
B1681-03
pin and V
SSP_OSC
Datasheet
79

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