BUY CD4040BF https://www.utsource.net/itm/p/11654940.html
Description: The CD4040BF is a CMOS 12-stage ripple carry binary counter/divider and oscillator.
Features:
High speed operation
Low power consumption
High noise immunity
High output drive capability
Low input current
TTL compatible inputs
Outputs source/sink 24 mA
Applications:
Frequency division
Clock and timing circuits
Pulse generation
Data transmission
Counters
Sequencers
(For reference only)