Catalog > Semiconductors > Integrated Circuits 74S20 IC Gate NAND Positive Dual 4-Input 14PD Part No: 74S20 9.14 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 Two Independent 4-input NAND Gates Standard Pin Configuration TTL Compatible Outputs Operating Temperature 0°C to 70°C