M27C256B_06 Datasheet, PDF (21/24 Pages) STMicroelectronics – 256 Kbit (32Kb × 8) UV EPROM and OTP EPROM

M27C256B
Package mechanical
Figure 11. PLCC32 - 32 pin Rectangular Plastic Leaded Chip Carrier, package
outline
D
A1
D1
A2
1N
B1
E2
E3
E1 E
F
e
B
0.51 (.020)
E2
1.14 (.045)
D3
A
R
CP
D2
D2
1. Drawing is not to scale.
PLCC-A
Table 14. PLCC32 - 32 pin Rectangular Plastic Leaded Chip Carrier, package
mechanical data
Symbol
millimeters
Typ
Min
Max
inches
Typ
Min
Max
A
3.17
3.56
0.125
0.140
A1
1.53
2.41
0.060
0.095
A2
0.38
–
0.015
–
B
0.33
0.53
0.013
0.021
B1
0.66
0.81
0.026
0.032
CP
0.10
0.004
D
12.32
12.57
0.485
0.495
D1
11.35
11.51
0.447
0.453
D2
4.78
5.66
0.188
0.223
D3
7.62
–
–
0.300
–
–
E
14.86
15.11
0.585
0.595
E1
13.89
14.05
0.547
0.553
E2
6.05
6.93
0.238
0.273
E3
10.16
–
–
0.400
–
–
e
1.27
–
–
0.050
–
–
F
0.00
0.13
0.000
0.005
R
0.89
–
–
0.035
–
–
N
32
32
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