EWIXP420ABBT Intel, EWIXP420ABBT Datasheet - Page 92

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EWIXP420ABBT

Manufacturer Part Number
EWIXP420ABBT
Description
Manufacturer
Intel
Datasheet

Specifications of EWIXP420ABBT

Core Operating Frequency
533MHz
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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Table 37.
A.15
A.15.1
Figure 35.
A.15.2
Intel
Hardware Design Guidelines
92
®
IXP42X Product Line of Network Processors and IXC1100 Control Plane Processor
V
Power Interface (Sheet 2 of 2)
V
To reduce voltage-supply noise on the analog sections of the IXP42X product line and
IXC1100 control plane processors, the phase-lock loop circuits (V
oscillator circuit (V
The filter circuits for each supply are shown in the following sections.
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
The ground of both capacitors should be connected to the nearest V
capacitors should be located less than 0.5 inch away from the V
associated V
of two 100-nF capacitors may be used as long as the capacitors are placed directly
beside each other.
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
The ground of both capacitors should be connected to the nearest V
capacitors should be located less than 0.5 inch away from the V
associated V
of two 100-nF capacitors may be used as long as the capacitors are placed directly
beside each other.
VCCPLL2
CCPLL1
CCPLL1
CCPLL2
CCPLL1
Name
CCPLL1
CCPLL2
For a legend of the
Power Filtering Diagram
Requirement
Requirement
, V
pin of the IXP42X product line and IXC1100 control plane processors.
pin of the IXP42X product line and IXC1100 control plane processors.
SS
SS
Type
Intel
CCPLL2
pin. In order to achieve the 200-nF capacitance, a parallel combination
pin. In order to achieve the 200-nF capacitance, a parallel combination
I
1.3 V
10 nF
®
CCOSCP
IXP42X product line and IXC1100 control plane processors—Design Checklist
The 1.3-V power supply input pins used for the internal logic of the
analog phase lock-loop circuitry.
Requires special power filtering circuitry.Refer to
page
V
Type
SS
, V
,
93.
V
CCOSCP
CCOSC
codes, see
100 nF
) require isolated voltage supplies.
, V
Table 21 on page
Recommendation
CCOSC
100 nF
V
CCPLL1
Pin Requirements
81.
V
SS
Intel
Intel
Product Line /
Control Plane
Figure 36 on
Document Number: 252817-008US
Processor
®
®
IXC1100
IXP42X
CCPLL1
CCPLL2
CCPLL1
B1680-03
SS
SS
supply pin. Both
supply pin. Both
pin and the
pin and the
,
V
CCPLL2
December 2007
Complete?
) and