Package mechanical data STA533WF
12/15 Doc ID 17658 Rev 2
5 Package mechanical data
The STA533WF comes in a 36-pin PowerSSO package with exposed pad down (EPD).
Figure 10 below shows the package outline and Tabl e 8 gives the dimensions.
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.
Table 8. PowerSSO36 EPD dimensions
Symbol
Dimensions in mm Dimensions in inches
Min Typ Max Min Typ Max
A 2.15 - 2.47 0.085 - 0.097
A2 2.15 - 2.40 0.085 - 0.094
a1 0.00 - 0.10 0.000 - 0.004
b 0.18 - 0.36 0.007 - 0.014
c 0.23 - 0.32 0.009 - 0.013
D 10.10 - 10.50 0.398 - 0.413
E 7.40 - 7.60 0.291 - 0.299
e - 0.5 - - 0.020 -
e3 - 8.5 - - 0.335 -
F - 2.3 - - 0.091 -
G- - 0.10 - - 0.004
H 10.10 - 10.50 0.398 - 0.413
h- - 0.40 - - 0.016
k 0 - 8 degrees 0 - 8 degrees
L 0.60 - 1.00 0.024 - 0.039
M - 4.30 - - 0.169 -
N - - 10 degrees - - 10 degrees
O - 1.20 - - 0.047 -
Q - 0.80 - - 0.031 -
S - 2.90 - - 0.114 -
T - 3.65 - - 0.144 -
U - 1.00 - - 0.039 -
X 4.10 - 4.70 0.161 - 0.185
Y 6.50 - 7.10 0.256 - 0.280