BUY 74LS91N https://www.utsource.net/itm/p/98398.html
8-BIT SHIFT REGISTERS
Description: 4-bit Binary Counter
Features:
- 4-bit binary counter
- High speed operation
- Low power consumption
- TTL compatible
- DIP-14 package
Application:
The 74LS91N is a 4-bit binary counter which can be used for counting applications in digital circuits. It can be used for counting up or down, depending on the application. It is commonly used in digital clocks, timers, and other digital counting applications.
(For reference only)