RPIXP2800BC Intel, RPIXP2800BC Datasheet - Page 105
RPIXP2800BC
Manufacturer Part Number
RPIXP2800BC
Description
Manufacturer
Intel
Datasheet
1.RPIXP2800BC.pdf
(154 pages)
Specifications of RPIXP2800BC
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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5.2.4
Figure 60.
Hardware Design Guide
LVDS Routing Example
Figure 60
This stackup yields a 92-ohm differential impedance. Note that the characteristic impedance is a
function of the PCB stackup and varies from vendor to vendor. Consult your PCB vendor for
additional information.
LVDS Routing as Signal Pairs
•
•
Unused inputs must be terminated; this can be implemented one of two ways.
Terminate unused inputs to their inactive states by using the termination guide above.
Termination rules are also discussed in detail in the MSF pin description section of the
IXP2800 and Intel® IXP2850 Network Processors Datasheet.
— A pin can be terminated to a logic 1 state by connecting directly to the 1.4-V supply or
— A pin can be terminated to a logic 0 state by connecting directly to the 1.0-V supply or
through a 400-Ω resistor to VCC25.
through a 300-Ω resistor to GND.
illustrates LVDS routing as signal pairs with 15-mil trace spacing and an 11-mil air gap.
Routed as signal pairs
15 mil trace spacing 11 mil air gap
IXP28XX Network Processor
MSF (SPI-4/CSIX/FC)
Intel®
105
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