m48t18 STMicroelectronics, m48t18 Datasheet - Page 26

• Manufacturer Part Number: m48t18
• Description: 5v, 64kbit 8 Kb X 8 Timekeeper Sram
• Manufacturer: STMicroelectronics

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Figure 16. SH – 4-pin SNAPHAT housing for 120mAh battery & crystal, package
Drawing is not to scale.
Table 15.
Symb
A1
A2
A3
eA
eB
A
B
D
E
L
outline
SH – 4-pin SNAPHAT housing for 120mAh battery & crystal, package mech
data.
Typ
21.21
17.27
15.55
8.00
7.24
0.46
3.20
2.03
mm
Min
eA
D
10.54
21.84
18.03
15.95
Max
8.51
8.00
0.38
0.56
3.61
2.29
A1
E
A
Typ
B
eB
SHTK-A
inches
0.315
0.285
0.018
0.835
0.680
0.612
0.126
0.080
Min
A3
L
A2
0.415
.0335
0.315
0.015
0.022
0.860
.0710
0.628
0.142
0.090
Max