BUY MC14547BCP https://www.utsource.net/itm/p/312470.html
High Current BCD-to-Seven Segment Decoder/Driver
Description: The MC14547BCP is a programmable timer circuit designed to generate a single output pulse of selectable width. Features: Programmable Pulse Width from 0.5 to 10ms Output Pulse Width is Selectable by External Resistor and Capacitor Output Pulse Width is Accurate to ±10% Inputs are TTL and CMOS Compatible Low Power Consumption Operating Voltage Range of 4.5V to 16V Applications: Time Delay Generation Pulse Width Modulation Pulse Position Modulation Pulse Generation Pulse Stretching (For reference only)