M54HC139K 查看數據表（PDF） - STMicroelectronics

零件编号

产品描述 (功能)

生产厂家

M54HC139K

Rad-hard high speed 2 to 6 V CMOS logic series

STMicroelectronics 

M54HCxxx - M54HCTxxx

Package mechanical data

Table 12. Ceramic DIL-24 package dimensions

Dim.

Min.

mm.

Typ.

A

2.159

1.931

a1

1.270

1.016

a2

.307

.274

B

1.270

b1

0.457

0.407

b2

.254

0.229

C

2.466

2.205

D

30.48

30.17

E

15.24

14.98

e

2.540

2.410

e3

27.94

27.81

F

15.11

14.85

K

12.80

12.60

K1

12.80

12.60

L

3.300

3.000

Figure 7. Ceramic DIL-24 package drawings

Max.

2.387

1.524

.340

0.507

0.304

2.727

30.78

15.49

2.670

28.06

15.36

13.00

13.00

3.800

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.

Doc ID 17367 Rev 2

19/29

Share Link: