Package information
M54HCxxx, M54HCTxxx
Figure 5. Ceramic DIL-16 package outline
1. The upper metallic lid is not electrically connected to any pins, nor to the IC die inside the package.
Connecting unused pins or the metallic lid to ground or to the power supply will not affect the electrical
characteristics.
Symbol
Table 10. Ceramic DIL-16 package mechanical data
Dimensions (mm)
Min.
Typ.
Max.
A
2.10
2.71
a1
3.00
3.70
a2
0.63
0.88
1.14
B
1.82
2.39
b
0.40
0.45
0.50
b1
0.20
0.254
0.30
D
20.06
20.32
20.58
E
7.36
7.62
7.87
e
2.54
e1
17.65
17.78
17.90
e2
7.62
7.87
8.12
F
7.29
7.49
7.70
I
3.83
K
10.90
12.10
L
1.14
1.50
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