74LS191 DIP Synchronous Up/Down Counter IC – High-Speed Reversible Binary Counter Chip

Upgrade your digital circuit designs with the powerful 74LS191 Reversible Counter IC, a high-performance synchronous 4-bit up/down binary counter. Built in a standard DIP package, this chip is perfect for students, engineers, and hobbyists working on precise counting and sequencing applications.

Designed for speed and reliability, the 74LS191 allows seamless switching between counting up and down, making it highly versatile for a wide range of digital electronics projects.


 Key Features:

  • 4-Bit Synchronous Counter: Counts from 0 to 15 with precise timing
  • Reversible Operation: Easily switch between up and down counting
  • High-Speed Performance: Ideal for fast digital systems
  • Parallel Load Capability: Quickly preset values for flexible operation
  • Carry/Borrow Outputs: Simplifies cascading multiple counters
  • DIP Package: Easy to handle, solder, and integrate into circuits

 Applications:

  • Digital counters and timers
  • Frequency division circuits
  • Event counting systems
  • Sequential logic designs
  • Educational and lab experiments

 Specifications:

  • IC Model: 74LS191
  • Counter Type: 4-bit synchronous up/down
  • Package: DIP (Dual Inline Package)
  • Logic Family: TTL (Low Power Schottky)
  • Operating Voltage: Typically 5V