MC74VHCT540AMELG 查看數據表（PDF） - ON Semiconductor

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MC74VHCT540AMELG

Octal Bus Buffer Inverting

ON Semiconductor 

MC74VHCT540A

DATA

INPUTS

OUTPUT

ENABLES

2

A1

18

Y1

3

A2

17

Y2

4

A3

16

Y3

5

A4

6

A5

15

Y4

14

Y5

INVERTING

OUTPUTS

7

A6

13

Y6

8

A7

12

Y7

9

A8

1

OE1

OE2 19

11

Y8

Figure 1. Logic Diagram

OE1 1

A1 2

A2 3

A3 4

A4 5

A5 6

A6 7

A7 8

A8 9

GND 10

20 VCC

19 OE2

18 Y1

17 Y2

16 Y3

15 Y4

14 Y5

13 Y6

12 Y7

11 Y8

Figure 2. Pin Assignment

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2

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