PRIXP425BB Intel, PRIXP425BB Datasheet - Page 75

• Manufacturer Part Number: PRIXP425BB
• Description: IC NETWRK PROCESSR 266MHZ 492BGA
• Manufacturer: Intel

Specifications of PRIXP425BB

• Processor Type: Network
• Features: XScale Core
• Speed: 266MHz
• Voltage: 1.3V
• Mounting Type: Surface Mount
• Package / Case: 492-BGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 869046

Datasheet
Figure 8.
5.2.2
Figure 9.
5.2.3
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 30 MHz — must be connected to the V
of the IXP42X product line and IXC1100 control plane processors.
The ground of both capacitors should be connected to the nearest V
should be located less than 0.5 inch away from the V
order to achieve the 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
V
A single 170-nF capacitor must be connected between the V
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
AD10 and AF10. Ensure that both pins are connected as shown in
CCPLL1
CCPLL2
CCPLL2
CCOSCP
Power Filtering Diagram
Power Filtering Diagram
Requirement
Requirement
1.3 V
10 nF
1.3 V
10 nF
Intel
V
V
SS
SS
®
IXP42X Product Line and IXC1100 Control Plane Processor
100 nF
100 nF
100 nF
100 nF
V
CCPLL2
V
CCPLL2
CCPLL1
V
V
SS
SS
CCP_OSC
pin and the associated V
Intel
Intel
Product Line /
Control Plane
Intel
Product Line /
Intel
Control Plane
Processor
Figure
Processor
SS
®
®
®
SSP_OSC
®
pin and V
Electrical Specifications
IXC1100
IXP4XX
IXC1100
supply pin. Both capacitors
IXP4XX
10.
B1681-02
B1680-02
consists of two pins,
SSP_OSC
SS
CCPLL2
pin. In
pin of the
75
pin