Philips 74hc hct4017 DATASHEETS

INTEGRATED CIRCUITS

DATA SH EET

For a complete data sheet, please also download:

•The IC06 74HC/HCT/HCU/HCMOS Logic Family Specifications

•The IC06 74HC/HCT/HCU/HCMOS Logic Package Information

•The IC06 74HC/HCT/HCU/HCMOS Logic Package Outlines

74HC/HCT4017

Johnson decade counter with 10
decoded outputs

Product specification
File under Integrated Circuits, IC06

December 1990

Philips Semiconductors Product specification

Johnson decade counter with 10 decoded outputs 74HC/HCT4017

FEATURES

• Output capability: standard

• ICC category: MSI

CP1) and an overriding asynchronous master reset input
(MR).

The counter is advanced by either a LOW-to-HIGH
transition at CP0 while CP1 is LOW or a HIGH-to-LOW
transition at CP1 while CP0 is HIGH (see also function

GENERAL DESCRIPTION

The 74HC/HCT4017 are high-speed Si-gate CMOS
devices and are pin compatible with the “4017” of the
“4000B” series. They are specified in compliance with
JEDEC standard no. 7A.

The 74HC/HCT4017 are 5-stage Johnson decade
counters with 10 decoded active HIGH outputs (Q

to Q9),

0

an active LOW output from the most significant flip-flop
(Q

), active HIGH and active LOW clock inputs (CP0 and

5-9

table).
When cascading counters, the Q

while the counter is in states 5, 6, 7, 8 and 9, can be used
to drive the CP0 input of the next counter.

A HIGH on MR resets the counter to zero
(Q0= Q

= HIGH; Q1 to Q9= LOW) independent of the

5-9

clock inputs (CP0 and CP1).
Automatic code correction of the counter is provided by an

internal circuit: following any illegal code the counter
returns to a proper counting mode within 11 clock pulses.

QUICK REFERENCE DATA

GND = 0 V; T

=25°C; tr=tf= 6 ns

amb

SYMBOL PARAMETER CONDITIONS

t

/ t

PHL

PLH

f

max

C

I

C

PD

propagation delay CP0, CP1 to Q

n

CL= 15 pF; VCC=5 V2021ns
maximum clock frequency 77 67 MHz
input capacitance 3.5 3.5 pF
power dissipation capacitance per package notes 1 and 2 35 36 pF

output, which is LOW

5-9

TYPICAL

HC HCT

UNIT

Notes

1. C

is used to determine the dynamic power dissipation (PD in µW):

PD

PD=CPD× V

2

× fi+∑ (CL× V

CC

2

× fo) where:

CC

fi= input frequency in MHz
fo= output frequency in MHz
∑ (CL× V

2

× fo) = sum of outputs

CC

CL= output load capacitance in pF
VCC= supply voltage in V

2. For HC the condition is VI= GND to V

CC

For HCT the condition is VI= GND to VCC− 1.5 V

ORDERING INFORMATION

“74HC/HCT/HCU/HCMOS Logic Package Information”

See

.

December 1990 2

Philips Semiconductors Product specification

Johnson decade counter with 10 decoded outputs 74HC/HCT4017

PIN DESCRIPTION

PIN NO. SYMBOL NAME AND FUNCTION

3, 2, 4, 7, 10, 1, 5, 6, 9, 11 Q
8 GND ground (0 V)
12
13
14 CP
15 MR master reset input (active HIGH)
16 V

Q
CP

to Q

0

5-9

1
0

CC

9

decoded outputs

carry output (active LOW)
clock input (HIGH-to-LOW, edge-triggered)
clock input (LOW-to-HIGH, edge-triggered)

positive supply voltage

Fig.1 Pin configuration.

Fig.2 Logic symbol. Fig.3 IEC logic symbol.

December 1990 3

Philips Semiconductors Product specification

Johnson decade counter with 10 decoded outputs 74HC/HCT4017

Fig.4 Functional diagram.

FUNCTION TABLE

MR CP

HXXQ
L

L
L
L
L
L

H

↑

L
X
H

↓

CP

0

↓

L
X
H

↑

L

1

0=Q5-9

counter advances
counter advances
no change
no change
no change
no change

Notes

1. H = HIGH voltage level
L = LOW voltage level
X = don’t care

↑ = LOW-to-HIGH clock transition
↓ = HIGH-to-LOW clock transition

OPERATION

= H; Q1 to Q9=L

December 1990 4