M87C257 STMICROELECTRONICS [STMicroelectronics], M87C257 Datasheet - Page 12

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M87C257

Manufacturer Part Number
M87C257
Description
ADDRESS LATCHED 256K 32K x 8 UV EPROM and OTP EPROM
Manufacturer
STMICROELECTRONICS [STMicroelectronics]
Datasheet

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M87C257
PLCC32
Drawing is not to scale
12/13
Symb
CP
D1
D2
Nd
Ne
A1
B1
E1
E2
A
B
D
E
N
e
PLCC32 - 32 lead Plastic Leaded Chip Carrier, rectangular
Ne
PLCC
1.27
Typ
D1
Nd
12.32
11.35
14.86
13.89
12.45
D
1 N
2.54
1.52
0.33
0.66
9.91
mm
Min
32
7
9
12.57
10.92
14.10
13.46
11.56
15.11
Max
3.56
2.41
0.53
0.81
0.10
E1 E
D2/E2
0.050
Typ
B
CP
inches
A
0.100
0.060
0.013
0.026
0.485
0.447
0.390
0.585
0.547
0.490
Min
32
7
9
A1
B1
e
0.140
0.095
0.021
0.032
0.495
0.455
0.430
0.595
0.555
0.530
0.004
Max

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