BUY HCF4017BM1 https://www.utsource.net/itm/p/4491564.html
RING COUNTER, 4000/14000/40000 SERIES, SYNCHRONOUS, POSITIVE EDGE TRIGGERED, 10-BIT, UP DIRECTION, CMOS, PDSO16
Description: The HCF4017BM1 is a 16-pin CMOS decade counter/divider and oscillator with 10 decoded outputs. Features: High speed: fMAX = 25 MHz (typ) at VDD = 5V Low power consumption: ICC = 0.4 mA (max) at VDD = 5V High noise immunity: VNIH = VNIL = 28% VDD (min) Output drive capability: 10 LSTTL loads Balanced propagation delays: tPLH tPHL Wide operating voltage range: 3V to 15V Pin and function compatible with 4000B series Applications: Frequency division Clock and reset generation Sequential timing Pulse generation Modulo-n counting Frequency synthesis Pulse width modulation (For reference only)