EWIXP425BBT Intel, EWIXP425BBT Datasheet - Page 80
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EWIXP425BBT
Manufacturer Part Number
EWIXP425BBT
Description
Manufacturer
Intel
Datasheet
1.EWIXP425BBT.pdf
(130 pages)
Specifications of EWIXP425BBT
Core Operating Frequency
266MHz
Package Type
BGA
Pin Count
492
Mounting
Surface Mount
Operating Temperature (max)
85C
Operating Temperature (min)
-40C
Operating Temperature Classification
Industrial
Lead Free Status / Rohs Status
Compliant
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5.2
5.2.1
Figure 9.
5.2.2
Intel
Datasheet
80
®
IXP42X Product Line of Network Processors and IXC1100 Control Plane Processor
V
voltage supplies.
The filter circuits for each supply are shown in the following sections.
V
processors.
The ground of both capacitors should be connected to the nearest V
associated V
of two 100-nF capacitors may be used as long as the capacitors are placed directly
beside each other.
V
V
The ground of both capacitors should be connected to the nearest V
associated V
of two 100-nF capacitors may be used as long as the capacitors are placed directly
beside each other.
To reduce voltage-supply noise on the analog sections of the Intel
Line of Network Processors and IXC1100 Control Plane Processor, the phase-lock loop
circuits (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 30 MHz — must be connected to
the V
capacitors should be located less than 0.5 inch away from the 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 30 MHz — must be connected to
the V
capacitors should be located less than 0.5 inch away from the V
CCPLL1
CCPLL1
CCPLL2
CCPLL1
CCPLL1
CCPLL2
Power Filtering Diagram
CCPLL1
Requirement
Requirement
, V
pin of the Intel
pin of the IXP42X product line and IXC1100 control plane processors.
SS
SS
1.3 V
CCPLL2
10 nF
pin. In order to achieve the 200-nF capacitance, a parallel combination
pin. In order to achieve the 200-nF capacitance, a parallel combination
,
V
CCPLL2
V
SS
, V
) and oscillator circuit (V
®
CCOSCP
100 nF
IXP42X product line and IXC1100 control plane
Intel
®
IXP42X product line and IXC1100 control plane processors
, V
CCOSC
100 nF
V
CCOSCP
CCPLL1
Pin Requirements
V
SS
,
V
CCOSC
Intel
Product Line /
Intel
Control Plane
Document Number: 252479-006US
Processor
®
®
IXC1100
) require isolated
CCPLL1
IXP42X
CCPLL2
®
SS
SS
B1680-03
IXP42X Product
supply pin. Both
supply pin. Both
pin and the
pin and the
August 2006
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