Catalog > Semiconductors > Integrated Circuits 74LS20N IC Gate NAND Dual 4 INP +VE Part No: 74LS20N 13.20 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 Series 74LS Logic Type NAND Gate Number of Circuits 2 Number of Inputs 4 Voltage - Supply 4.75 V ~ 5.25 V Current - Output High, Low 400 µA, 8 mA Input Logic Level - Low 0.8 V Input Logic Level - High 2 V Maximum Propagation Delay @ V, Max CL 15 ns @ 5 V, 50 pF Operating Temperature 0°C to 70°C Mounting Type Through Hole Package / Case 14-DIP (0.300", 7.62 mm) Supplier Device Package 14-MDIP