M41ST87WMX6F STMICROELECTRONICS [STMicroelectronics], M41ST87WMX6F Datasheet - Page 47

• Manufacturer Part Number: M41ST87WMX6F
• Description: 5.0 V and 3.3/3.0 V secure serial RTC and NVRAM supervisor with tamper detection and 128 bytes of clearable NVRAM
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

M41ST87Y, M41ST87W
6
Note:
Package mechanical data
In order to meet environmental requirements, ST offers these devices in different grades of
ECOPACK
specifications, grade definitions and product status are available at: www.st.com.
ECOPACK
Figure 29. SOX28 – 28-lead plastic small outline, 300 mils, embedded crystal outline
Drawing is not to scale.
Table 20.
Symbol
ddd
A1
A2
A
B
C
D
E
H
N
e
L
a
A2
®
®
packages, depending on their level of environmental compliance. ECOPACK
is an ST trademark.
SOX28 – 28-lead plastic small outline, 300 mils, embedded crystal
mechanical data
SO-E
14
15
1.27
Typ
B
D
millimeters
e
17.91
10.16
2.44
0.15
2.29
0.41
0.20
7.57
0.51
Doc ID 9497 Rev 8
Min
28
0°
–
28
1
A1
18.01
10.52
Max
2.69
0.31
2.39
0.51
0.31
0.10
7.67
0.81
E
8°
–
H
A
ddd
0.050
Typ
Package mechanical data
A1
inches
0.096
0.006
0.090
0.016
0.008
0.705
0.298
0.400
0.020
Min
28
0°
–
L
h x 45°
C
0.106
0.012
0.094
0.020
0.012
0.709
0.004
0.302
0.414
0.032
Max
8°
–
47/52
®