CD4060 Binary Counter Divider Oscillator

CD4060 – 14-Stage Ripple Carry Binary Counters

The CD4020BC, CD4060BC are 14-stage ripple carry binary counters, and the CD4040BC is a 12-stage ripple carry binary counter. The counters are advanced one count on the negative transition of each clock pulse. The counters are reset to the zero state by a logical “1” at the reset input independent of clock. – fairchildsemi.com

you can also use a crystal between pin 10 and 11 with two caps 22pF from 10, 11 to gnd and a 10M resistor between 10 and 11 in place of R C network for more precision.

14-stage ripple-carry binary counter/divider and oscillator – PDF at nxp.com

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