                                                                   January 21, 2009
 TEXAS INSTRUMENTS
   3535 40th Ave. NW, Suite 103
   ValleyHigh Business Center
   ROCHESTER, MN 55901


   Texas Instruments	
   PART NO. CODEC EVM
   REV. B

   THIS BOARD HAS A 1.3" DIAMETER HOLE TO BE ROUTED OUT. PLEASE SEE
   CODEC EVM.GM3 FILE FOR DIMENSIONING DATA.
 

PCB DESCRIPTION: 4 LAYER PCB, .062" NOMINAL THICKNESS FR4 WITH 1OZ COPPER PER LAYER.
	DIMENSIONS IN MIL (.001 INCH)
	6 MIL MIN TRACE AND SPACE WIDTH
	SOLDERMASK TWO SIDES
	SILKSCREEN TOP SIDE ONLY

   Board layer stack-up: 
        Layer 1 - layer 2 .0122" nominal
        Layer 2 - layer 3 .028" nominal core
        Layer 3 - layer 4 .0122" nominal

  
 THIS ARCHIVED (WINZIP) FILE "CODEC EVM.ZIP" CONTAINS 25 FILES.

   CODEC EVM.GTO = TOP SILKSCREEN GERBER FILE
   CODEC EVM.GTS = TOP SOLDER MASK GERBER FILE
   CODEC EVM.GTL = LAYER 1 TOP SIGNAL GERBER FILE
   CODEC EVM.GP1 = LAYER 2 INTERNAL GROUND PLANE GERBER FILE
   CODEC EVM.GP2 = LAYER 3 INTERNAL POWER PLANE GERBER FILE
   CODEC EVM.GBL = LAYER 4 BOTTOM SIGNAL GERBER FILE
   CODEC EVM.GBS = BOTTOM SOLDER MASK GERBER FILE
   CODEC EVM.GTP = TOP PASTE STENCIL GERBER FILE
   CODEC EVM.GG1 = DRILL GUIDE GERBER FILE
   CODEC EVM.GD1 = DRILL DRAWIING GERBER FILE
   CODEC EVM.GM3 = FAB DIMENSION GERBER FILE
   CODEC EVM.GM4 = BOARD OUTLINE GERBER FILE
   CODEC EVM.GM1 = TOP ASSEMBLY DRAWING GERBER FILE
   CODEC EVM.GM5 = BOTTOM ASSEMBLY DRAWING GERBER FILE
   CODEC EVM.DRR = ASCII DRILL SIZE REPORT
   CODEC EVM.TXT = ASCII DRILL FILE
   CODEC EVM.DRL = BINARY DRILL FILE
   CODEC EVM.APR = APERTURE FILE
   README.TXT = THIS FILE
   PICK PLACE FOR CODEC EVM.XLS = PICK AND PLACE SPREADSHEET
   CODEC EVM BOM RevB.XLS = BILL OF MATERIALS
   CODEC EVM ASCII.PCB = BOARD DESIGN IN PROTEL PCB V2.8 ASCII FORMAT
   Codec EVM Schematic RevB.pdf = SCHEMATIC IN PDF FORMAT
   Codec EVM Artwork RevB.pdf = ARTWORK IN PDF FORMAT
   Codec EVM.DDB = PROTEL DESIGN EXPLORER 99SE DESIGN DATABASE 


   Any Questions? ... Please call ?






READ.ME
