Description: The 74HC4059N is a high-speed CMOS logic device containing 16 addressable 4-bit binary counters and a 16-channel multiplexer.

Features:

• High-speed operation: tPD = 10 ns (typical)
• Low power consumption: ICC = 2 μA (maximum)
• Low noise: VNO = 30 mV (maximum)
• Wide operating voltage range: VCC = 2 V to 6 V
• 16 addressable 4-bit binary counters
• 16-channel multiplexer

Applications:

• Frequency division
• Clock and timing generation
• Pulse width modulation
• Data acquisition
• Signal processing
• Digital control systems(For reference only) https://www.utsource.net/itm/p/98008.html