BUY CD1517CP https://www.utsource.net/itm/p/11654928.html
Description: The CD1517CP is a CMOS dual retriggerable monostable multivibrator with reset.
Features:
Output pulse width adjustable from 2.2ms to 1.2s
Low supply current
Wide supply voltage range (3V to 18V)
Output can be triggered by either a positive or negative pulse
Output pulse width is independent of supply voltage
Reset input
Applications:
Pulse generation
Time delays
Pulse width modulation
Pulse position modulation
Pulse stretching
Pulse counting
(For reference only)