RPIXP2850BB Intel, RPIXP2850BB Datasheet - Page 82

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RPIXP2850BB

Manufacturer Part Number
RPIXP2850BB
Description
Manufacturer
Intel
Datasheet

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
QDR SRAM
Figure 45.
Table 33.
4.7.1.1.2
82
Address, D, CONTROL, Q, and K-Clocks Topologies
Table 33
TCAM/SRAM/Coprocessor Interface Guidelines (Address, D, CONTROL, Q, and K-
Clocks)
C, C#, CIN, and CIN# Clocks Signals
Figure 46
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.
illustrates the topologies for the C, C#, CIN, and CIN# clocks.
Intel
(On-Die Termination 50Ω)
Parameter
Intel
RPE#, WPE#, BWE#
®
®
IXP2800 Receiver
D, Parity-Out
K/K#-Clocks
Q, Parity-In
IXP2800 Driver
Address
TCAM/SRAM/coprocessor Address, D, CONTROL, Q, and
K-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
A
Routing Guideline
Connector
Connector
MICTOR
MICTOR
Hardware Design Guide
B3960-01

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