Description
The 74LS20 is a dual 4-input NAND gate IC from the 74LS series (Low Power Schottky). It contains two independent 4-input NAND gates, each performing the NAND logic function. NAND gates are fundamental building blocks in digital logic circuits, and the 74LS20 provides two gates that output a low logic level only when all four of its inputs are high.
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