M74HCT257(1993) View Datasheet(PDF) - STMicroelectronics
Part Name
Description
View to exact match
M74HCT257
(Rev.:1993)
(Rev.:1993)
STMicroelectronics
M74HCT257 Datasheet PDF : 12 Pages
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DIM.
A
B
D
d1
d2
E
e
e3
F
G
M
M1
M54/M74HCT257/258
MIN.
9.78
8.89
4.2
7.37
PLCC20 MECHANICAL DATA
mm
TYP.
2.54
0.56
1.27
5.08
0.38
1.27
1.14
MAX.
10.03
9.04
4.57
MIN.
0.385
0.350
0.165
8.38
0.290
0.101
inch
TYP.
0.100
0.022
0.050
0.200
0.015
0.050
0.045
MAX.
0.395
0.356
0.180
0.330
0.004
P027A
11/12
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