74LVX540 查看數據表（PDF） - ON Semiconductor

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74LVX540

Octal Bus Buffer Inverting

ON Semiconductor 

MC74LVX540

DATA

INPUTS

OUTPUT

ENABLES

2

A1

3

A2

A3 4

5

A4

A5 6

A6 7

A7 8

A8 9

OE1 1

OE2 19

18

Y1

17

Y2

16 Y3

15

Y4

14 Y5

INVERTING

OUTPUTS

13 Y6

12 Y7

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

QE1 1

QE2 19

&

EN

A1 2

A2 3

A3 4

A4 5

6

A5

7

A6

A7 8

A8 9

1

18

Y1

17

Y2

16 Y3

15

Y4

14

Y5

13

Y6

12

Y7

11

Y8

Figure 3. IEC LOGIC DIAGRAM

FUNCTION TABLE

Inputs

OE1 OE2

A

L

L

L

L

L

H

H

X

X

X

H

X

Output Y

H

L

Z

Z

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