Texas Instruments HPL-D SLLU064A manual X4 Crosspoint Switch EVM

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1 Overview

Figure 1-2 shows the 4x4 crosspoint switch EVM (part number

SN65LVDS125A or SN65LVDS250). The EVM comes with either the

SN65LVDS125A or SN65LVDS250 installed and a copy of the data sheet.

The latest version of the data sheet is also available from www.ti.com.

A/W # 6456526

SN65LVDS125A

SN65LVDS250

4X4 Crosspoint Switch EVM

Figure 1-2. 4x4 Crosspoint Switch EVM

1-3

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Contents Users Guide Important Notice EVM Important Notice EVM Warnings and Restrictions About This Manual Read This FirstFCC Warning Figures ContentsTables Overview Sample Functional Configurations X4 Crosspoint Switch EVM X4 Crosspoint Switch Signal Paths Signal PathsApplying an Input Setup and Required EquipmentSetup and Required Equipment Termination for Interfacing LVDS, CML, or Lvpecl Drivers Typical Test Results Observing an OutputTypical Test Results Setup and Required Equipment EVM Construction X4 Crosspoint Switch EVM Schematic SchematicBoard Layout Patterns X4 Crosspoint Switch EVM Board LayoutLayer 1-Signal Plane GND Plane Layer 4-Vcc01 Plane Layer 6-GND/Signal Plane PCB Fabrication Requirements and Stack Up Bill of Materials for SN65LVDS125A / SN65LVDS250 EVM Bill of Materials