54AC00 데이터 시트보기 (PDF) - STMicroelectronics

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54AC00

Rad-hard advanced high-speed 5 V CMOS logic series

STMicroelectronics 

54ACxxxx, 54ACTxxxx

Package mechanical data

Figure 6. Ceramic DSCC Flat-20 package outline

H

E

$

4

/



(



/

(



(



(

Note:

6

F

'

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 10. Ceramic DSCC Flat-20 package mechanical data

Symbol

Min.

Dimensions (mm)

Typ.

A

1.91

b

0.38

c

0.076

D

12.83

E

6.99

E2

5.05

5.21

E3

0.95

e

1.14

L

6.35

Q

0.25

S1

0.55

Max.

2.21

0.48

0.152

13.08

7.24

5.36

1.40

9.39

Doc ID 17352 Rev 3

15/28

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