Datasheet

Package information STM32L431xx
178/200 DocID028800 Rev 1
7.4 UFBGA64 package information
Figure 51. UFBGA64 – 64-ball, 5 x 5 mm, 0.5 mm pitch ultra profile fine pitch ball grid
array
package outline
1. Drawing is not to scale.
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Table 93. UFBGA64 – 64-ball, 5 x 5 mm, 0.5 mm pitch ultra profile fine pitch ball grid array
package mechanical data
Symbol
millimeters inches
(1)
Min Typ Max Min Typ Max
A 0.460 0.530 0.600 0.0181 0.0209 0.0236
A1 0.050 0.080 0.110 0.0020 0.0031 0.0043
A2 0.400 0.450 0.500 0.0157 0.0177 0.0197
A3 0.080 0.130 0.180 0.0031 0.0051 0.0071
A4 0.270 0.320 0.370 0.0106 0.0126 0.0146
b 0.170 0.280 0.330 0.0067 0.0110 0.0130
D 4.850 5.000 5.150 0.1909 0.1969 0.2028
D1 3.450 3.500 3.550 0.1358 0.1378 0.1398
E 4.850 5.000 5.150 0.1909 0.1969 0.2028
E1 3.450 3.500 3.550 0.1358 0.1378 0.1398
e - 0.500 - - 0.0197 -
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