GX3202 Datasheet, PDF (17/49 Pages) Semtech Corporation – Crosspoint Switch with Trace Equalization and Output De-emphasis

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
(includes the EXT_PG0 & EXT_PG1 inputs)
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
(includes the MON0 & MON1 outputs)
NOTE: the MON0 and MON1 outputs are terminated to the VCC_25_A supply.
GX3202 202 x 202 3.5Gb/s Crosspoint
Data Sheet
56077 - 1
October 2012
17 of 49
Proprietary & Confidential