COPYRIGHT 2006-2009
NATIONAL SEMICONDUCTOR CORPORATION
2900 Semiconductor Drive
Santa Clara, CA 95052

ENGR: DARRYL JEONG (408) 721-6046

BOARD NAME: DS90UR124 RX USB DEMO 
FAB. #    : DS90UR124 RX USB DEMO REV 2

HOWELL DESIGN  JOB NO. B472   14-MAY-09

*** CONTENTS ***

SECTION I  - ARCHIVAL  INFORMATION
SECTION II - PHOTOPLOT INFORMATION

*** SECTION I - ARCHIVAL INFORMATION ***


1. PCB DESIGN ARCHIVE (BINARY)          : B472AARC.JOB (PADS-PERFORM V6.1)
2. PCB DESIGN ARCHIVE (ASCII)           : B472AARC.ASC (PADS-PERFORM V6.1)
3. NETLIST			        : B472AARC.NET
4. POST PROCESSING BATCH FILE           : BATCHL.DAT
5. ARCHIVE INFORMATION FILE (THIS FILE) : README_B.472
6. FABRICATION DATA FILES	        : B472AFAB.ZIP
7. ASSEMBLY FILES  			: B472AASY.ZIP 
	CONTAINS- 	README_B.472 (THIS FILE)
			B472SP1.PHO (PASTEMASK TOP),
			B472SP2.PHO (PASTEMASK BOTTOM),
			B472AASY.PDF (ASSEMBLY PDF FILES, TOP AND BOTTOM)
			B472ATOP.PNP, B472ABOT.PNP (ASSY PICK-AND-PLACE FILES)
                  B472SS1.PHO, B472SS2.PHO (REF: SILKSCREEN GERBER FILES)
                  B472SM1.PHO, B472SM2.PHO (REF: SOLDER MASK GERBER FILES)

8. PRINT FILE; ALL DESIGN LAYERS       : B472AARC.PDF (ADOBE ACROBAT)
 
  THE FILE B472AFAB.ZIP CONTAINS THE FOLLWING :

1. GERBER PHOTOPLOT FILES	       :(SEE PHOTOPLOT SECTION FOR DETAILS)
2. DRILL DRAWING (ADOBE ACROBAT)       : B472DD.PDF
3. N/C DRILL                           : B472A.DRL
4. ARCHIVE INFORMATION FILE (THIS FILE): README_B.472



*** SECTION II - PHOTOPLOT INFORMATION ***

CAD FORMAT         : GERBER RS-274X (EMBEDDED APERTURES)
SUPPRESSED ZERO    : LEADING
CODING             : ASCII          
COORDINATES        : ABSOLUTE
DATA UNITS         : ENGLISH
DATA FORMAT        : 3.5
EOB CHARACTER      : *
BLOCK SIZE         : 1024
SCALE              : 1:1


1.)	       B472L1.PHO    -  LAYER 1  -  PRIMARY COMP SIDE
2.)	       B472L2.PHO    -  LAYER 2  -  GROUND PLANE
3.)	       B472L3.PHO    -  LAYER 3  -  POWER PLANE
4.)            B472l4.PHO    -  LAYER 4  -  SECONDARY COMP SIDE
5.)	       B472SS1.PHO   -  SILKSCREEN - PRIMARY SIDE
6.)	       B472SS2.PHO   -  SILKSCREEN - SECONDARY SIDE
7.)	       B472SM1.PHO   -  SOLDER MASK - PRIMARY SIDE
8.)	       B472SM2.PHO   -  SOLDER MASK - SECONDARY SIDE
9.)	       B472SP1.PHO   -  SOLDER PASTE MASK - PRIMARY SIDE
10.)	       B472SP2.PHO   -  SOLDER PASTE MASK - SECONDARY SIDE


ADDITIONAL FILES:

11.a)	       	B472DD.PHO  -  DRILL DRAWING (GERBER FORMAT)
11.b)	       	B472DD.PDF  -  DRILL DRAWING (ADOBE ACROBAT FORMAT)
12.)		B472A.DRL   -  N/C DRILL FILE
13.)            B472BOA.PHO -  GERBER BOARD OUTLINE FILE

NOTES:

1) QUESTIONS ??? PLEASE CALL NEIL AT (916) 383-0107. THANK-YOU.

*END OF DATA*
