m48t12 STMicroelectronics, m48t12 Datasheet - Page 21

• Manufacturer Part Number: m48t12
• Description: 5.0v, 16 Kbit 2kb X 8 Timekeeper Sram
• Manufacturer: STMicroelectronics

6
Note:
Package mechanical data
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 13. PCDIP24 – 24-pin plastic DIP, battery CAPHAT, package outline
Drawing is not to scale.
Table 12.
Symb
A1
A2
B1
eA
e1
e3
A
B
C
D
E
N
L
PCDIP24 – 24-pin plastic DIP, battery CAPHAT, package mechanical data
Typ
B1
N
1
34.29
17.83
25.15
15.24
8.89
0.38
8.38
0.38
1.14
0.20
2.29
3.05
mm
Min
24
e3
D
B
e1
A1
34.80
18.34
30.73
16.00
Max
9.65
0.76
8.89
0.53
1.78
0.31
2.79
3.81
A2
E
A
L
Typ
eA
PCDIP
inches
0.350
0.015
0.330
0.015
0.045
0.008
1.350
0.702
0.090
0.990
0.600
0.120
Min
C
24
0.380
0.030
0.350
0.021
0.070
0.012
1.370
0.722
0.110
1.210
0.630
0.150
Max
21/24