BUY 74HC4538D https://www.utsource.net/itm/p/1128072.html
Dual retriggerable precision monostable multivibrator
Description: The 74HC4538D is a dual precision monostable multivibrator with reset.
Features:
High-speed operation
Low power consumption
Output pulse width adjustable from 1.5 μs to 1.5 s
Reset input
Inputs and outputs are CMOS level compatible
Outputs source/sink 24 mA
Input clamp diodes
Applications:
Pulse generation
Timing
Sequencing
Frequency division
Pulse width modulation
Pulse position modulation
(For reference only)