Catalog > Semiconductors > Integrated Circuits 7420 Logic Gate Gate NAND Positive Dual 4-Input 14PD Part No: 7420 17.48 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 Logic Type: NAND Gate Number of Circuits: 2 Number of Inputs: 4 Voltage – Supply: 4.75 V ~ 5.25 V Current – Quiescent (Max): 800 µA Current – Output High, Low: 400 µA, 8 mA Logic Level – Low: 0.8 V Logic Level – High: 2 V Max Propagation Delay @ V, Max CL: 15 ns @ 5 V, 15 pF Operating Temperature: 0 °C ~ 70 °C Mounting Type: Through Hole