Catalog > Semiconductors > Integrated Circuits IC IC 74LS197 Presettable Binary Counter 11.40 ZAR inc for 1 Each 225 in Stock Add Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Specifications Operating Current (Icc) Typical 20 mA Operating Temperature Range 0°C to +70°C (Commercial) Maximum Clock Frequency (f<sub>clock</sub>) 35 MHz