RPIXP2850BB Intel, RPIXP2850BB Datasheet - Page 59
RPIXP2850BB
Manufacturer Part Number
RPIXP2850BB
Description
Manufacturer
Intel
Datasheet
1.RPIXP2850BB.pdf
(154 pages)
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
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Figure 23.
Hardware Design Guide
Topologies for Using x9 Versus x18 QDR SRAM Parts
When it is necessary to use more than one SRAM device to achieve a certain memory size capacity,
the SRAMs can be arranged in either a Width-Expansion configuration or a Depth-Expansion
configuration. Clamshelling — that is, locating two devices on opposite sides of the PCB — is
possible with either width-expansion or depth-expansion.
Entire DATA us
18 bits wide
Half DATA Bus
Half DATA Bus
9 bits wide
9 bits wide
On-die Termination
Receiver
IXP2800
On-die Termination
On-die Termination
Intel
50
®
Receiver
Receiver
IXP2800
IXP2800
Intel
Intel
50
50
®
®
A
B
B
READ Topology Using
Four x18 SRAM Parts
READ Topology Using
Two x9 SRAM Parts
C
Stub
Stub
Stub
Stub
IXP28XX Network Processor
Stub
Stub
Stub
Stub
Top
SRAM
Bottom
SRAM
Top
SRAM
Bottom
SRAM
QDR SRAM
Top
SRAM
SRAM
Top
SRAM
SRAM
ottom
ottom
B3950-01
3949-01
59
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