M74HC4017

2/12

INPUT AND OUTPUT EQUIVALENT CIRCUIT

PIN DESCRIPTION

TRUTH TABLE

X : Don’t Care

Qn : No Change

LOGIC DIAGRAM

This logic diagram has not be used to estimate propagation delays

PIN No

SYMBOL

NAME AND FUNCTION

3, 2, 4, 7, 10,

1, 5, 6, 9, 11

Q0 to Q9

Decoded Outputs

12

Carry Output

(Active LOW)

13

CKEN

Clock Enable Input

(Active LOW)

14

CLOCK

Clock Input (LOW to

HIGH, Edge Triggered)

15

CLEAR

Master Reset Inputs

(Active HIGH)

8

GND

Ground (0V)

16

Vcc

Positive Supply Voltage

CLOCK

CLOCK ENABLE

CLEAR

DECODED OUTPUT(H)

XX

H

QO

LXL

Qn

XH

L

Qn

L

L

Qn + 1

LL

Qn

HL

Qn

H

L

Qn + 1