- 1 oscillator to clock the 4017
- 2 oscillators for the Clock and Data inputs of the 4018
- 5 outs from the 4017 (pins 3,2,4,7 and 10)
- Pin 1of the 4017 is connected to the Reset pin of the counter
- Pin 13 of the 4017 is tied to ground; pin12 no connection
Here's is a stripped down example of the 4017 and 4018 without any other cmos action other than clock and data sources for the 2 ics.