RPIXP2850BB Intel, RPIXP2850BB Datasheet - Page 83

• 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

Figure 46.
Table 34.
Hardware Design Guide
C, C#, CIN, and CIN# Clocks Topologies
Table 34
TCAM/SRAM/Coprocessor Interface Guidelines (C, C#, CIN, and CIN# Clocks)
Signal Group
Topology
Reference Plane
Characteristic Trace Impedance
Nominal Trace Width
Nominal Trace Separation for group
Group spacing
IXP28XX breakout guideline
A or B trace length
provides routing guidelines for the TCAM/SRAM/coprocessor interface base card.
Parameter
Intel
On-Die Termination 50
Intel
®
®
IXP2800 Receiver
Cout, Clock
IXP2800 Driver
Cin, Clock
CIN, CIN#
C, C#
Ω
TCAM/SRAM/coprocessor C, C#, CIN, and CIN# Clocks
Point-to-Point
Ground
50 Ω ±5%
5 mils
8 to 15 mils
Isolation from non-QDR and non-group-related signals is
20 mils.
3.5 mils with 4-mil space for a maximum of 400 mils
Maximum = 5.0 inches (IXP28XX pin to Mictor* pin)
The trace length from ball-to-ball should be within 25 mils.
A
B
Routing Guideline
IXP28XX Network Processor
Connector
MICTOR
QDR SRAM
B3961-01
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