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WM8944BECS/R Arkusz danych(PDF) 163 Page - Cirrus Logic |
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WM8944BECS/R Arkusz danych(HTML) 163 Page - Cirrus Logic |
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163 / 165 page ![]() WM8944B Rev 4.3 163 PACKAGE DIMENSIONS DM080.B B: 25 BALL W-CSP PACKAGE 2.410 X 2.410 X 0.546mm BODY, 0.50 mm BALL PITCH A1 CORNER TOP VIEW E Z 0.10 2 X D 5 4 A A2 2 Z 0.10 2 X Z 1 E1 A D1 DETAIL 1 D C B E e e 1 5 4 3 2 6 g 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’ AND BACKSIDE COATING. 3. A1 CORNER IS IDENTIFIED BY INK/LASER MARK ON TOP PACKAGE. 4. BILATERAL TOLERANCE ZONE IS APPLIED TO EACH SIDE OF THE PACKAGE BODY. 5. ‘e’ REPRESENTS THE BASIC SOLDER BALL GRID PITCH. 6. THIS DRAWING IS SUBJECT TO CHANGE WITHOUT NOTICE. 7. FOLLOWS JEDEC DESIGN GUIDE MO-211-C. A1 0.207 D D1 E E1 e 2.00 BSC 2.410 0.205 BSC 2.00 BSC 0.500 BSC 2.410 Dimensions (mm) Symbols MIN NOM MAX NOTE A 0.546 A2 0.265 0.280 0.295 5 f1 0.586 0.506 0.244 0.281 g 0.022 0.019 0.025 h Bump centre to die edge BOTTOM VIEW 0.205 BSC f2 2.380 2.380 2.440 2.440 0.264 0.364 0.314 Bump centre to die edge A1 DETAIL 1 SOLDER BALL f1 f2 h 3 |
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