M27C256B-2B6TR View Datasheet(PDF) - STMicroelectronics
Part Name
Description
Manufacturer
M27C256B-2B6TR Datasheet PDF : 24 Pages
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Package mechanical
M27C256B
Figure 10. PDIP28 - 28 pin Plastic DIP, 600 mils width, package outline
B1
B
D2
D
S
N
1
A2 A
A1 L
e1
E1 E
α
C
eA
eB
PDIP
1. Drawing is not to scale.
Table 13. PDIP28 - 28 pin Plastic DIP, 600 mils width, package mechanical data
Symbol
millimeters
Typ
Min
Max
inches
Typ
Min
Max
A
4.445
0.1750
A1
0.630
0.0248
A2
3.810
3.050
4.570
0.1500
0.1201
0.1799
B
0.450
0.0177
B1
1.270
0.0500
C
0.230
0.310
0.0091
0.0122
D
36.830
36.580
37.080
1.4500
1.4402
1.4598
D2
33.020
–
–
1.3000
–
–
E
15.240
0.6000
E1
13.720
12.700
14.480
0.5402
0.5000
0.5701
e1
2.540
–
–
0.1000
–
–
eA
15.000
14.800
15.200
0.5906
0.5827
0.5984
eB
15.200
16.680
0.5984
0.6567
L
3.300
0.1299
S
1.78
2.08
0.070
0.082
α
0°
10°
0°
10°
N
28
28
20/24
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