Catalog > Semiconductors > Integrated Circuits 74HC191 Counter Presettable Synchronous 4-Bit Binary Up/Down Counter 16PD(25) Part No: 74HC191 7.19 ZAR inc for 1 Each (Quoting) Add to Cart Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Specifications Logic Type Binary Counter Direction Up, Down Number of Elements 1 Number of Bits per Element 4 Reset Asynchronous Timing Synchronous Count Rate 35 MHz Trigger Type Positive Edge Voltage - Supply 2 V ~ 6 V Operating Temperature -55°C ~ 125°C Mounting Type Through Hole Package / Case 16-DIP (0.300", 7.62mm) Supplier Device Package 16-PDIP