Catalog > Semiconductors > Integrated Circuits IC IC 74LS390 Counter, Decade 2 Element 4 Bit Negative Edge 16-PDIP 3.90 ZAR inc for 1 Each 399 in Stock Add Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Specifications Logic Type Counter, Decade Direction Up Number of Elements 2 Number of Bits per Element 4 Reset Asynchronous Count Rate 35 MHz Trigger Type Negative Edge Voltage - Supply 4.75 V ~ 5.25 V Operating Temperature 0°C ~ 70°C Mounting Type Through Hole Package / Case 16-DIP (0.300", 7.62mm) Supplier Device Package 16-PDIP