m41t81 STMicroelectronics, m41t81 Datasheet - Page 27

• Manufacturer Part Number: m41t81
• Description: Serial Access Real-time Clock With Alarms
• Manufacturer: STMicroelectronics

M41T81
Figure 17. SO8 – 8-lead plastic small package outline
1. Drawing is not to scale.
Table 14.
Symbol
ccc
A1
A2
E1
L1
D
A
E
b
c
e
h
k
L
SO8 – 8-lead plastic small outline (150 mils body width), package
mechanical data
A2
4.90
6.00
3.90
1.27
1.04
Typ
b
8
1
e
D
Millimeters
E1
0.10
1.25
0.28
0.17
4.80
5.80
3.80
0.25
0.40
Min
0°
A
–
E
ccc
Max
1.75
0.25
0.48
0.23
0.10
5.00
6.20
4.00
0.50
1.27
8°
–
A1
Package mechanical information
0.193
0.236
0.154
0.050
0.041
Typ
L1
L
GAUGE PLANE
h x 45˚
0.25 mm
c
inches
0.004
0.049
0.011
0.007
0.189
0.228
0.150
0.010
0.016
Min
0°
–
k
SO-A
0.069
0.010
0.019
0.009
0.004
0.197
0.244
0.157
0.020
0.050
Max
8°
–
27/30