Texas Instruments HPL-D SLLU064A Board Layout Patterns, X4 Crosspoint Switch EVM Board Layout

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3 EVM Construction

3.2 Board Layout Patterns

A/W #	6456526
	SN65LVDS125A
	SN65LVDS250
	4X4 Crosspoint Switch EVM

Figure 3-2. 4x4 Crosspoint Switch EVM Board Layout

3-3

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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