GX3290 Datasheet, PDF (17/47 Pages) Semtech Corporation – 290 x 290 3.5Gb/s Crosspoint Switch

3. Input/Output Equivalent Circuits
Note: Please refer to the following supplementary documents: Crosspoint Design Guide
and EB-GX3290 Schematics, PCB Layout and Bill of Materials.
VCC_25_A
VCC_25_A
SDI[0:287]
50Ω
HIZ_ACCM
VCC_IN[1,2]
50Ω
SDI[0:287]
EQ_TERMINATION[287:0]
HIZ_ACCM
Figure 3-1: Equalizer Input Equivalent Circuit
VCC_OUT[1,2]
50Ω
50Ω
VCC_OUT[1,2]
SDO[0:287]
Delayed
Main
VCC_OUT[1,2]
SDO[0:287]
Figure 3-2: Trace Driver Output Equivalent Circuit
Note: the MON0 and MON1 outputs are terminated to the VCC_25_A supply.
GX3290 290 x 290 3.5Gb/s Crosspoint
Final Data Sheet Rev. 2
GENDOC-053317 March 2013
www.semtech.com
17 of 47
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