RPIXP2850BB Intel, RPIXP2850BB Datasheet - Page 4

• 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
Contents
5
6
4
4.4
4.5
4.6
4.7
4.8
4.9
4.10
4.11
4.12
MSF (SPI-4/CSIX/FC) ................................................................................................................. 101
5.1
5.2
5.3
5.4
PCI............................................................................................................................................... 111
6.1
6.2
QDR SRAM Interface ......................................................................................................... 57
4.4.1
4.4.2
4.4.3
4.4.4
4.4.5
4.4.6
QDR SRAM Routing Rules................................................................................................. 65
4.5.1
4.5.2
4.5.3
4.5.4
4.5.5
4.5.6
4.5.7
QDR SRAM VREF Generation ........................................................................................... 79
TCAM/SRAM/Coprocessor Interface.................................................................................. 81
4.7.1
IXDP2800 QDR Implementation Guidelines....................................................................... 84
4.8.1
4.8.2
4.8.3
IXDP2800 TCAM Implementation....................................................................................... 90
4.9.1
4.9.2
QDR SRAM and TCAM Routing......................................................................................... 93
QDR SRAM Design Review Checklist................................................................................ 94
Package Trace Lengths for QDR Signals........................................................................... 95
Media and Switch Fabric Interface ................................................................................... 101
5.1.1
5.1.2
5.1.3
Routing Recommendations for LVDS Signals .................................................................. 104
5.2.1
5.2.2
5.2.3
5.2.4
Simulation Results for LVDS Signals on IXDP2800 Advanced Development Platform.... 106
Package Trace Lengths for LVDS_Diff Signals ................................................................ 108
PCI Controller ................................................................................................................... 111
PCI Interface..................................................................................................................... 111
Using x9 Versus x18 QDR SRAM Parts ................................................................ 58
4.4.1.1
Signal Groups ........................................................................................................ 62
QDR Signal Mapping ............................................................................................. 62
ClamShell Configuration of SRAMs....................................................................... 63
QDR SRAM Input/Output Timing Specifications.................................................... 64
4.4.5.1
4.4.5.2
QDR Signal Group Package Trace Length............................................................ 64
QDR Trace Requirements ..................................................................................... 65
QDR SRAM Address Topology ............................................................................. 65
QDR SRAM D (Data Out) Topology ...................................................................... 68
QDR SRAM Q (Data In) Topology......................................................................... 70
QDR SRAM K, K# Clock Topologies ..................................................................... 71
4.5.5.1
QDR SRAM C, C#, CIN, CIN# Clock Topologies .................................................. 74
QDR SRAM RPE#, WPE#, BWE# Control Topologies ......................................... 76
TCAM/SRAM/Coprocessor Interface — Base Card Side ...................................... 81
4.7.1.1
Routing for a Four-QDR SRAM Topology ............................................................. 84
Determining Loopclock Length for QDRII SRAM Used by IXDP2800 Advanced
Development Platform ........................................................................................... 85
QDR SRAM Alternating Routing Layers ................................................................ 89
TCAM and QDR SRAM Placement ....................................................................... 90
QDR SRAM and TCAM Routing Implementation .................................................. 92
SPI-4.2................................................................................................................. 101
CSIX .................................................................................................................... 102
Flow Control Bus ................................................................................................. 103
LVDS Trace Requirements.................................................................................. 104
LVDS Trace Characteristics for IXDP2800 Advanced Development Platform .... 104
Design Review Checklist ..................................................................................... 104
LVDS Routing Example ....................................................................................... 105
Examples of the QDR Interface ............................................................. 60
IXP2800 Input Timing ............................................................................ 64
IXP2800 Output Timing.......................................................................... 64
Relationship between Address, Control, Data-OUT and K-Clock.......... 73
Interface Topologies .............................................................................. 81