3 Pin Configuration and Functions

1

2

3

7

4

5

6

14

13

12

8

11

10

9

1A

1B

1Y

2A

2B

2Y

GND

4B

4A

4Y

3B

3A

V

CC

3Y

Figure 3-1. CD54AC00 J Package, 14-Pin CDIP; CD74AC00 D or N Packages, 14-Pin SOIC, or PDIP (Top

View)

PIN

TYPE1

DESCRIPTION

NO.

NAME

1

1A

I

1A Input

2

1B

I

1B Input

3

1Y

O

1Y Output

4

2A

I

2A Input

5

2B

I

2B Input

6

2Y

O

2Y Output

7

GND

–

GND

8

3Y

O

3Y Output

9

3A

I

3A Input

10

3B

I

3B Input

11

4Y

O

4Y Output

12

4A

I

4A Input

13

4B

I

4B Input

14

VCC

—

Power Pin

(1)

Signal Types: I = Input, O = Output, I/O = Input or Output.

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CD54AC00, CD74AC00

SCHS303D – JANUARY 2001 – REVISED JULY 2024

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