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)