Catalog > Semiconductors > Integrated Circuits IC IC 74S20 Gate NAND Positive Dual 4-Input 14PD 9.06 ZAR inc for 1 Each 797 in Stock Add Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Specifications Two Independent 4-input NAND Gates Standard Pin Configuration TTL Compatible Outputs Operating Temperature 0°C to 70°C