HD74HC648 데이터 시트보기 (PDF) - Hitachi -> Renesas Electronics

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HD74HC648

Octal Bus Transceivers/Registers with Multiplexed 3-state outputs

Hitachi -> Renesas Electronics 

HD74HC646/HD74HC648

Storage from

A, B, or A and B

Pin Arrangement

Transfer stored data

to A or B

Clock AR 1

Select AB 2

Direciton 3

A1 4

A2 5

A3 6

A4 7

A5 8

A6 9

A7 10

A8 11

GND 12

24 VCC

23 Clock BA

22 Select BA

21 Control G

20 B1

19 B2

18 B3

17 B4

16 B5

15 B6

14 B7

13 B8

(Top view)

3

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