## Posts

13.04.2010 Vuramar

### How an and gate works

A simple explanation of how electronic logic gates work, including AND, OR, NOT , and NOR. Learn how logic gates work in our integrated circuits including AND, OR, NOT, XOR, NAND, and NOR gates. The AND gate is a basic digital logic gate that implements logical conjunction - it behaves according to the truth table to the right. A HIGH output (1) results only if.

## how an and gate works

I have a basic understanding of logic gates and how they operate such as and/or gates. But I am having a hard time finding out how they work physically. Would you like to be able to build your own digital devices? Logic gates are the basis of digital electronics. Find out what these gates do and how you can use. Scientific American is the essential guide to the most awe-inspiring advances in science and technology, explaining how they change our understanding of the. The output state of a digital logic AND gate only returns “LOW” again when ANY of its inputs are at a logic level “0”. In other words for a logic AND gate, any LOW . Here is an example of a three input AND gate. Notice that the truth table for the three input gate is similar to the truth table for the two input gate. It works on the. How logic gates work. What happens inside logic ICs, TTL, CMOS and ECL gates explained. In this project, we will show how logic gate chips work and how circuits can be built with them. The NAND gate works opposite to the AND gate. Its Boolean algebra representation is: C=(A.B)'. And it's truth table and schema as following: A. The single-transistor inverter circuit illustrated earlier is actually too crude to be of practical use as a gate. Real inverter circuits contain more than one transistor. An XOR gate (sometimes referred to by its extended name, Exclusive OR gate) is a digital logic gate with two or more inputs and one output that performs. The logic of the Nand gate is: y=~(a.b) So if the input is shorted, there are only two combinations of a and b: * 0,0 * 1,1 so a. b will now only be. The symbol is quite similar to the transistor we described above, except for the " bubble" connected to the gate. This bubble means that this transistor works in the . A logic gate is just a circuit that works on the principle of boolean logic. Basically, it is the physical manifestation of Boolean logic. You know how silicon (which is. This project shows how to assemble a simple transistor NOT gate on a solderless breadboard. For this electronics project, a normally open pushbutton is used. They also work in similar ways. A gate often contains a setting called 'hold' as well. Let's look at what these controls are. Threshold: if the audio.