Datasheet

DocID028798 Rev 3 149/155
STM32L432KB STM32L432KC Package information
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Figure 31. UFQFPN32 - 32-pin, 5x5 mm, 0.5 mm pitch ultra thin fine pitch quad flat
package recommended footprint
1. Dimensions are expressed in millimeters.
Device marking
The following figure gives an example of topside marking orientation versus pin 1 identifier
location.
Table 83. UFQFPN32 - 32-pin, 5x5 mm, 0.5 mm pitch ultra thin fine pitch quad flat
package mechanical data
Symbol
millimeters inches
(1)
1. Values in inches are converted from mm and rounded to 4 decimal digits.
Min Typ Max Min Typ Max
A 0.500 0.550 0.600 0.0197 0.0217 0.0236
A1 - - 0.050 - - 0.0020
A3 - 0.152 - - 0.0060 -
b 0.180 0.230 0.280 0.0071 0.0091 0.0110
D 4.900 5.000 5.100 0.1929 0.1969 0.2008
D1 3.400 3.500 3.600 0.1339 0.1378 0.1417
D2 3.400 3.500 3.600 0.1339 0.1378 0.1417
E 4.900 5.000 5.100 0.1929 0.1969 0.2008
E1 3.400 3.500 3.600 0.1339 0.1378 0.1417
E2 3.400 3.500 3.600 0.1339 0.1378 0.1417
e - 0.500 - - 0.0197 -
L 0.300 0.400 0.500 0.0118 0.0157 0.0197
ddd - - 0.080 - - 0.0031
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