Catalog > Semiconductors > Integrated Circuits 74LS20M1 Integrated Circuit Dual 4input NAND Gate SMD Part No: 74LS20M1 9.35 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 Family: 74LS (Low-Power Schottky TTL) Function: Two independent 4-input NAND gates Inputs / Outputs: 8 inputs (A1-D1, A2-D2), 2 outputs (Y1, Y2) Logic Type: Positive logic Voltage Supply (Vcc): 4.75 V to 5.25 V Input Voltage (VIH / VIL): VIH ≥ 2 V (HIGH); VIL ≤ 0.8 V (LOW) Output Current HIGH: −0.4 mA (IOH), LOW: 8 mA (IOL) Power Consumption: Low – ~2 mW typical per gate Propagation Delay: ~9 to 30 ns typical per gate (depending on load and temperature) Operating Temperature: 0 °C to +70 °C Package (M1 variant): Likely SOIC-14 (Small Outline IC) Pin Count: 14 pins Mounting Type: Surface-mount (for "M1" or "M" packages)