STA320
6 PACKAGE INFORMATION
In order to meet environmental requirements, ST offers these devices in ECOPACK® packages. These
packages have a Lead-free second level interconnect. The category of second Level Interconnect is
marked on the package and on the inner box label, in compliance with JEDEC Standard JESD97. The
maximum ratings related to soldering conditions are also marked on the inner box label. ECOPACK is an
ST trademark. ECOPACK specifications are available at: www.st.com.
Figure 6. SO28 Mechanical Data & Package Dimensions
DIM.
MIN.
mm
TYP. MAX. MIN.
inch
TYP. MAX.
A
2.65
0.104
a1 0.1
0.3 0.004
0.012
b 0.35
0.49 0.014
0.019
b1 0.23
0.32 0.009
0.013
C
0.5
0.020
c1
45° (typ.)
D 17.7
18.1 0.697
0.713
E
10
10.65 0.394
0.419
e
1.27
0.050
e3
16.51
0.65
F
7.4
7.6 0.291
0.299
L
0.4
1.27 0.016
0.050
S
8 ° (max.)
OUTLINE AND
MECHANICAL DATA
SO-28
35/37