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STM32L4A6RG Datasheet(PDF) 254 Page - STMicroelectronics

Part # STM32L4A6RG
Description  Ultra-low-power Arm® Cortex®-M4 32-bit MCUFPU, 100DMIPS, 1MB Flash, 320KB SRAM, USB OTG FS, audio, AESHASH, ext. SMPS
PDF  282 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM32L4A6RG Datasheet(HTML) 254 Page - STMicroelectronics

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STM32L4A6xG
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DS11584 Rev 8
Figure 64. UFBGA - 169-ball, 7 x 7 mm, 0.50 mm pitch, ultra fine pitch ball grid
array recommended footprint
Note:
Non-solder mask defined (NSMD) pads are recommended.
b
0.230
0.280
0.330
0.0091
0.0110
0.0130
D
6.950
7.000
7.050
0.2736
0.2756
0.2776
D1
5.950
6.000
6.050
0.2343
0.2362
0.2382
E
6.950
7.000
7.050
0.2736
0.2756
0.2776
E1
5.950
6.000
6.050
0.2343
0.2362
0.2382
e
-
0.500
-
-
0.0197
-
F
0.450
0.500
0.550
0.0177
0.0197
0.0217
ddd
-
-
0.100
-
-
0.0039
eee
-
-
0.150
-
-
0.0059
fff
-
-
0.050
-
-
0.0020
1. Values in inches are converted from mm and rounded to 4 decimal digits.
Table 124. UFBGA169 recommended PCB design rules (0.5 mm pitch BGA)
Dimension
Recommended values
Pitch
0.5 mm
Dpad
0.27 mm
Dsm
0.35 mm typ. (depends on the soldermask
registration tolerance)
Solder paste
0.27 mm aperture diameter.
Table 123. UFBGA - 169-ball, 7 x 7 mm, 0.50 mm pitch, ultra fine pitch ball grid
array package mechanical data (continued)
Symbol
millimeters
inches(1)
Min.
Typ.
Max.
Min.
Typ.
Max.



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