3 Pin Configuration and Functions

CD54HC147 J Package; CD74HC(T)147 N, D, or PW Package;

16-Pin CDIP, PDIP, SOIC, or TSSOP

(Top View)

Table 3-1. Pin Functions

PIN

I/O1

DESCRIPTION

NO.

NAME

1

I4

I

Active low input 4

2

I5

I

Active low input 5

3

I6

I

Active low input 6

4

I7

I

Active low input 7

5

I8

I

Active low input 8

6

Y2

O

Active low output 2

7

Y1

O

Active low output 1

8

GND

—

Ground

9

I0

I

Active low input 0

10

I9

I

Active low input 9

11

I1

I

Active low input 1

12

I2

I

Active low input 2

13

I3

I

Active low input 3

14

Y3

O

Active low output 3

15

NC

N/A

No internal connection

16

VCC

—

Positive supply

1. I = input, O = output, P = power, FB = feedback, GND = ground, N/A = not applicable

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CD54HC147, CD74HC147, CD74HCT147

SCHS149G – NOVEMBER 1998 – REVISED JANUARY 2025

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