RPIXP2850BB Intel, RPIXP2850BB Datasheet - Page 120

• Manufacturer Part Number: RPIXP2850BB
• Manufacturer: Intel

Specifications of RPIXP2850BB

• Operating Supply Voltage (typ): 1.3/1.5/2.5/3.3V
• Operating Supply Voltage (max): 1.575/2.7/3.465V
• Operating Supply Voltage (min): 1.235/2.3/3.135V
• Mounting: Surface Mount
• Operating Temperature (max): 70C
• Operating Temperature (min): 0C
• Operating Temperature Classification: Commercial
• Lead Free Status / Rohs Status: Not Compliant

IXP28XX Network Processor
PCI
6.2.3
6.2.3.1
Figure 70.
Table 45.
120
cPCI Bus Interface
The compact PCI (cPCI) interface can be a 32- or 64-bit bus, which can operate at either 33 or 66
MHz. When the base card is not connected to a host, V
V power supply. When there is a host present, resistor R2401 and R2305 need to be removed and
V
cPCI Signals
Figure 70
cPCI Signal Topology
Table 45
cPCI Signal Group Guidelines
Signal Group
Topology
Reference Plane
Characteristic Trace Impedance
Nominal Trace Width
Nominal Trace Separation
Spacing to Other Groups
Trace Length A
Trace Length B
Resistor R
Maximum Via Count per Signal
IO
is provided by the host.
Intel
PCI-to-PCI
provides routing guidelines for the cPCI signal group parameters.
illustrates the topology for the cPCI signal.
S
®
Bridge
21555
Parameter
A
cPCI Signals
Point-to-Point
Dual-referenced, PWR–SIG–GND
60 Ω ± 10%
3.5 mils
9 mils
20 mils
Maximum = 1200 mils
Maximum = 500 mils
10 Ω ± 10%
3 vias
R
S
IO
for this bus comes from the base card 3.3
B
Routing Guidelines
Hardware Design Guide
CPCI Host
Connector
B0520-01