M54HCT245 查看數據表（PDF） - STMicroelectronics
零件编号
产品描述 (功能)
生产厂家
M54HCT245
STMicroelectronics
M54HCT245 Datasheet PDF : 11 Pages
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M54/M74HCT245/640/643
DIM.
a1
B
b
b1
D
E
e
e3
F
I
L
Z
Plastic DIP20 (0.25) MECHANICAL DATA
MIN.
0.254
1.39
mm
TYP.
0.45
0.25
8.5
2.54
22.86
3.3
MAX.
1.65
25.4
7.1
3.93
1.34
MIN.
0.010
0.055
inch
TYP.
0.018
0.010
0.335
0.100
0.900
0.130
MAX.
0.065
1.000
0.280
0.155
0.053
P001J
7/11
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