BUY 74HC191D https://www.utsource.net/itm/p/746957.html
Presettable synchronous 4-bit binary up/down counter
Description: The 74HC191D is a 4-bit synchronous up/down binary counter with a storage register and three-state outputs.
Features:
- Synchronous operation
- Counts up or down
- 4-bit binary counter
- Storage register
- Three-state outputs
Applications:
- Frequency division
- Clock and timing control
- Pulse generation
- Data transfer and handling
- Signal processing
(For reference only)
