![]() Here, I1 and I2 represent the two inputs, and O1 signifies the output. The circuit diagram below illustrates the NAND gate using 5 NPN transistors. So with just the few components, we can construct a NAND gate circuit.Ĭircuit Diagram of NAND Gate using Transistors In such a scenario, the output will be a logic LOW. So as you can see from the above truth table, a NAND gate exhibits a HIGH output for all condition except when both inputs are 1. Logic NAND Gates are available using digital circuits to produce the desired logical function and is given a symbol whose shape is that of a standard AND gate with a circle, sometimes called an “ inversion bubble” at its output to represent the NOT gate symbol with its logical operation given as. Creating a NAND gate using only two transistors is relatively straightforward. What is a NAND logic gate?Ī two-input NAND gate produces a LOW output when both of its inputs are HIGH, and a HIGH output otherwise. The 2N2222 transistor is a very common and widely available NPN BJT, is capable of acting as either a switch or an amplifier. However, in this article, we will use NPN BJTs in order to do it. In our previous electronic circuits, we have perform XOR Gate, NAND Gate, NOT Gate, NOR Gate, AND Gate, OR Gate, XNOR Gate.īy arranging transistors in specific configuration, we can construct the various gates utilized in electronics.Īny type of transistor, be it BJTs or FETs, can be used to create logic gates. Transistors serve as the building blocks of logic gates, such as AND gates, NAND gates, OR gates, XOR gates, and other gates that are integral to integrated circuits. In this article, we will go over how to build a NAND gate circuit with transistors. ![]() ![]() NAND, short for Negated AND, is a logical operation that produces an output of low only when all of its inputs are high. In the realm of digital electronics and logic circuits, the NAND gates stands as a fundamental cornerstone that wields immense power in information processing.
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