M27W256 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
'M27W256' PDF : 23 Pages View PDF
M27W256
Table 12. FDIP28W - 28 pin Ceramic Frit-seal DIP, with window, Package Mechanical Data
mm
inches
Symb
Typ
Min
Max
Typ
Min
Max
A
5.72
0.225
A1
0.51
1.40
0.020
0.055
A2
3.91
4.57
0.154
0.180
A3
3.89
4.50
0.153
0.177
B
0.41
0.56
0.016
0.022
B1
1.45
–
–
0.057
–
–
C
0.23
0.30
0.009
0.012
D
36.50
37.34
1.437
1.470
D2
33.02
–
–
1.300
–
–
E
15.24
–
–
0.600
–
–
E1
13.06
13.36
0.514
0.526
e
2.54
–
–
0.100
–
–
eA
14.99
–
–
0.590
–
–
eB
16.18
18.03
0.637
0.710
L
3.18
4.10
0.125
0.161
S
1.52
2.49
0.060
0.098
∅
7.11
–
–
0.280
–
–
α
4°
11°
4°
11°
N
28
28
Figure 8. FDIP28W - 28 pin Ceramic Frit-seal DIP, with window, Package Outline
A2
A3 A
A1 L
B1
B
e
D2
D
S
N
∅
E1 E
1
Drawing is not to scale.
α
C
eA
eB
FDIPW-a
11/15
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