Package mechanical data

M54HCxxx - M54HCTxxx

18/29

Doc ID 17367 Rev 2

Figure 6.

Ceramic Flat-24 package drawings

Note:

The upper metallic lid is not electrically connected to any pins, nor to the IC die inside the

package. Connecting unused pins or metal lid to ground or to the power supply will not affect

the electrical characteristics.

Table 11.

Ceramic Flat-24 package dimensions

Dim.

mm.

Min.

Typ.

Max.

A

10.70

11.00

11.30

B

15.30

15.49

15.70

C

1.45

1.90

D

0.23

0.254

0.30

E

13.84

13.97

14.10

F

1.22

1.27

1.32

G

0.45

0.508

0.55

H

7.25

8.25

L

25.00

28.00

M

0.45

0.508

0.55

N

7.01