BUY 74F163AN https://www.utsource.net/itm/p/11771912.html

Description: 4-Bit Synchronous Binary Counter Features: Synchronous Counting High Speed Operation Low Power Consumption Fully Static Operation TTL Compatible Inputs Outputs Source/Sink 24mA Outputs Can Be Tied Together for Use as a Single 8-Bit Output Applications: Frequency Division Pulse Width Modulation Pulse Position Modulation Timing and Sequencing Data Transmission (For reference only)