M27C256B-12B7X 查看數據表（PDF） - STMicroelectronics
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M27C256B-12B7X Datasheet PDF : 15 Pages
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M27C256B
PLCC32 - 32 lead Plastic Leaded Chip Carrier - rectangular
Symb
A
A1
A2
B
B1
D
D1
D2
E
E1
E2
e
F
R
N
Nd
Ne
CP
Typ
1.27
0.89
mm
Min
2.54
1.52
–
0.33
0.66
12.32
11.35
9.91
14.86
13.89
12.45
–
0.00
–
32
7
9
Max
3.56
2.41
0.38
0.53
0.81
12.57
11.56
10.92
15.11
14.10
13.46
–
0.25
–
0.10
Typ
0.050
0.035
inches
Min
0.100
0.060
–
0.013
0.026
0.485
0.447
0.390
0.585
0.547
0.490
–
0.000
–
32
7
9
Max
0.140
0.095
0.015
0.021
0.032
0.495
0.455
0.430
0.595
0.555
0.530
–
0.010
–
0.004
D
D1
1N
Ne
Nd
PLCC
Drawing is not to scale.
E1 E
A1
A2
B1
F
D2/E2
e
B
0.51 (.020)
1.14 (.045)
A
R
CP
13/15
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