Datasheet

DocID022265 Rev 6 91/121
STM32F051x4 STM32F051x6 STM32F051x8 Package information
115
7 Package information
In order to meet environmental requirements, ST offers these devices in different grades of
ECOPACK
®
packages, depending on their level of environmental compliance. ECOPACK
®
specifications, grade definitions and product status are available at: www.st.com.
ECOPACK
®
is an ST trademark.
7.1 UFBGA64 package information
UFBGA64 is a 64-ball, 5 x 5 mm, 0.5 mm pitch ultra-fine-profile ball grid array
package.
Figure 34. UFBGA64 package outline
1. Drawing is not to scale.
Table 65. UFBGA64 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
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