M48T559Y Datasheet, PDF (15/18 Pages) STMicroelectronics – 64 Kbit 8Kb x8 TIMEKEEPER SRAM with ADDRESS/DATA MULTIPLEXED

M48T559Y
Table 15. SOH28 - 28 lead Plastic Small Outline, 4-socket battery SNAPHAT, Package Mechanical Data
mm
inches
Symb
Typ
Min
Max
Typ
Min
Max
A
3.05
0.120
A1
0.05
0.36
0.002
0.014
A2
2.34
2.69
0.092
0.106
B
0.36
0.51
0.014
0.020
C
0.15
0.32
0.006
0.012
D
17.71
18.49
0.697
0.728
E
8.23
8.89
0.324
0.350
e
1.27
–
–
0.050
–
–
eB
3.20
3.61
0.126
0.142
H
11.51
12.70
0.453
0.500
L
0.41
1.27
0.016
0.050
α
0°
8°
0°
8°
N
28
28
CP
0.10
0.004
Figure 14. SOH28 - 28 lead Plastic Small Outline, 4-socket battery SNAPHAT, Package Outline
B
e
D
N
1
SOH-A
Drawing is not to scale.
A2
CP
EH
A
C
eB
A1 α L
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