M54HC139DT データシートの表示（PDF） - STMicroelectronics

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コンポーネント説明

メーカー

M54HC139DT

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

STMicroelectronics 

Package information

M54HCxxx, M54HCTxxx

Figure 9. Ceramic DIL-24 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 14. Ceramic DIL-24 package mechanical data

Dimensions (mm)

Min.

Typ.

Max.

A

2.159

1.931

2.387

a1

1.270

1.016

1.524

a2

.307

.274

.340

B

1.270

b1

0.457

0.407

0.507

b2

.254

0.229

0.304

C

2.466

2.205

2.727

D

30.48

30.17

30.78

E

15.24

14.98

15.49

e

2.540

2.410

2.670

e3

27.94

27.81

28.06

F

15.11

14.85

15.36

K

12.80

12.60

13.00

K1

12.80

12.60

13.00

L

3.300

3.000

3.800

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DocID17367 Rev 4

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