The mechanical specifications for the packages show the dimensions.

QFN32 package

Figure 1. QFN32 5.0x5.0 mm package
QFN32 package
Table 1. QFN32 dimensions in millimeters
A A1 A2 A3 A4 b D, E D2, E2 e K L
Min. 0.8 0 0.2 4.9 3.4 0.3
Nom. 0.85 0.035 0.65 0.08 0.203 0.25 5 3.5 0.5 0.35 0.4
Max. 0.9 0.05 0.3 5.1 3.6 0.45

CSP package

Figure 2. CSP 2.3775x3.0775 mm package
CSP package
Table 2. CSP dimensions in millimeters
A A1 A2 A3 A5 D D2 d E E2 e F G b
Min. 0.416 0.14 0.254 0.022 3.0475 2.3475 0.195
Nom. 0.464 0.269 0.05 0.025 3.0775 2.514 0.419 2.3775 1.76 0.44 0.88 1.257
Max. 0.512 0.2 0.284 0.028 3.1075 2.4075 0.255