EWIXP420ABBT Intel, EWIXP420ABBT Datasheet - Page 73

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EWIXP420ABBT

Manufacturer Part Number
EWIXP420ABBT
Description
Manufacturer
Intel
Datasheet

Specifications of EWIXP420ABBT

Core Operating Frequency
533MHz
Package Type
BGA
Pin Count
492
Mounting
Surface Mount
Operating Temperature (max)
85C
Operating Temperature (min)
-40C
Operating Temperature Classification
Industrial
Lead Free Status / Rohs Status
Compliant

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Critical Routing Topologies—Intel
7.0
7.1
Note:
Figure 28.
December 2007
Document Number: 252817-008US
Topology 1
Topology 2
Topology 3
and IXC1100 Control Plane
IXP42X Product Line
Processors
Intel
Critical Routing Topologies
This chapter contains information for recommended trace lengths, size, and routing
guidelines for the PC133 SDRAM and PCI bus.
PC133 SDRAM Topologies
The Intel
Processor SDRAM Memory Bus is designed to four loads and allows two banks of
PC 133 of SDRAM memory.
SDRAM interfaced to the processors memory bus.
The figures in this section do not include any termination resistors that may be needed.
For best signal integrity results, the designer may perform simulations.
SDRAM Topology
®
®
IXP42X Product Line of Network Processors and IXC1100 Control Plane
®
IXP42X product line and IXC1100 control plane processors
Intel
®
IXP42X Product Line of Network Processors and IXC1100 Control Plane Processor
A
C
D
Figure 28
illustrates the topologies of two banks of PC 133
SDRAM
Bank 0
M
M
S
D
R
A
S
D
R
A
B
Hardware Design Guidelines
SDRAM
Bank 1
M
M
S
D
R
A
S
D
R
A
B2270 -02
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