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74HC4017N-74HCT4017D-74HCT4017N
74HC/HCT4017; Johnson decade counter with 10 decoded outputs
Philips Semiconductors Product specification
Johnson decade counter with 10 decoded outputs 74HC/HCT4017
FEATURES Output capability: standard ICC category: MSI
GENERAL DESCRIPTIONThe 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 (Q0 to Q9),
an active LOW output from the most significant flip-flop
(Q5-9), active HIGH and active LOW clock inputs (CP0 and
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
table).
When cascading counters, the Q5-9 output, which is LOW
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= Q5-9= HIGH; Q1 to Q9= LOW) independent of the
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 DATAGND= 0 V; Tamb =25 °C; tr =tf= 6 ns
Notes CPD is used to determine the dynamic power dissipation (PD in μW): =CPD× VCC2× fi+∑ (CL× VCC2× fo) where:= input frequency in MHz= output frequency in MHz (CL× VCC2×fo)= sum of outputs= output load capacitance in pF
VCC= supply voltage in V For HC the condition is VI= GND to VCC
For HCT the condition is VI= GND to VCC− 1.5 V
ORDERING INFORMATIONSee “74HC/HCT/HCU/HCMOS Logic Package Information”.
Philips Semiconductors Product specification
Johnson decade counter with 10 decoded outputs 74HC/HCT4017
PIN DESCRIPTION
Philips Semiconductors Product specification
Johnson decade counter with 10 decoded outputs 74HC/HCT4017
FUNCTION TABLE
Notes H= HIGH voltage level= LOW voltage level= don’t care= LOW-to-HIGH clock transition= HIGH-to-LOW clock transition
Philips Semiconductors Product specification
Johnson decade counter with 10 decoded
outputs 74HC/HCT4017
Philips Semiconductors Product specification
Johnson decade counter with 10 decoded outputs 74HC/HCT4017
DC CHARACTERISTICS FOR 74HCFor the DC characteristics see “74HC/HCT/HCU/HCMOS Logic Family Specifications”.
Output capability: standard
ICC category: MSI
