Homedatasheet74HCT4017

74HCT4017 Datasheet

Johnson decade counter with 10 decoded outputs
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Description

General description
The 74HC4017; 74HCT4017 is a high-speed Si-gate CMOS device and is pin compatible with the HEF4017.
The 74HC4017; 74HCT4017 is a 5-stage Johnson decade counter 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 Table 3).
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.

Features
■ Multiple package options
■ Complies with JEDEC standard no. 7 A
■ ESD protection:
   ◆ HBM JESD22-A114E exceeds 2000 V
   ◆ MM JESD22-A115-A exceeds 200 V
■ Specified from −40 °C to +85 °C and from −40 °C to +125 °C

Features

Parameters


Manufacturer information

NXP SEMICONDUCTORS.
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