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WM8310 Datasheet(PDF) 288 Page - Wolfson Microelectronics plc |
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WM8310 Datasheet(HTML) 288 Page - Wolfson Microelectronics plc |
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288 / 291 page ![]() WM8310 Pre-Production w PP, May 2012, Rev 3.1 288 31 PACKAGE DIAGRAM DM062.C B: 169 BALL BGA PLASTIC PACKAGE 7 X 7 X 1.2 mm BODY, 0.50 mm BALL PITCH NOTES: 1. PRIMARY DATUM -Z- AND SEATING PLANE ARE DEFINED BY THE SPHERICAL CROWNS OF THE SOLDER BALLS. 2. THIS DIMENSION INCLUDES STAND-OFF HEIGHT ‘A1’. 3. DIMENSION ‘b’ IS MEASURED AT THE MAXIMUM SOLDER BALL DIAMETER, PARALLEL TO PRIMARY DATUM -Z-. 4. A1 CORNER IS IDENTIFIED BY INK/LASER MARK ON TOP PACKAGE. 5. BILATERAL TOLERANCE ZONE IS APPLIED TO EACH SIDE OF THE PACKAGE BODY. 6. ‘e’ REPRESENTS THE BASIC SOLDER BALL GRID PITCH. 7. THIS DRAWING IS SUBJECT TO CHANGE WITHOUT NOTICE. 8. FALLS WITHIN JEDEC, MO-195 3 Y Z ccc X DETAIL 1 SOLDER BALL b Z ddd DETAIL 2 A1 Z aaa Z bbb Z 1 A1 CORNER TOP VIEW E Z 0.10 2 X D 5 4 DETAIL 2 A A2 2 Z 0.10 2 X DETAIL 1 e BOTTOM VIEW 6 1 9876 54 32 10 11 12 13 A D C B J H G F E K L M N e E1 D1 SIDE VIEW A1 0.21 0.11 b D D1 E E1 e 0.30 0.20 7.00 BSC 6.00 BSC 0.50 BSC 7.00 BSC 6.00 BSC Dimensions (mm) Symbols MIN NOM MAX NOTE A 1.20 A2 0.91 REF 0.20 aaa bbb ccc 0.08 0.15 Tolerances of Form and Position ddd 0.08 6 REF: JEDEC, MO-195, VARIATION AD |
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