BUY CD40193BCN/MM74C193N https://www.utsource.net/itm/p/106942.html
Single Bus Buffer Gate With 3-State Outputs 5-SOT-23 -40 to 85
Description: The CD40193BCN/MM74C193N is a 4-bit synchronous binary up/down counter with a single clock input. It is a dual-in-line package (DIP-16) device manufactured by National Semiconductor (NSC).
Features:
Synchronous operation
4-bit binary up/down counter
Single clock input
DIP-16 package
High-speed operation
Low power consumption
Applications:
Frequency division
Pulse generation
Digital timing
Digital control systems
Process control systems
(For reference only)