IC CD4011 PDF

Sep 21, #Working and pin configuration of the #NAND #IC CD A door opening indicator circuit using IC gate IC and working of NAND gates. CD TRUTH TABLE. The CD is the most used CMOS chip. The CD IC has 4 gates and these can be wired to create a BUFFER, Inverter (NOT) . ooÕoo This article starts with a detailed look at the operation of the Cmos It then considers the practical use of the IC in the small alarm circuit on the .

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When the door was closed push button switch, it apply logic 1 to the gate input. The output pins of the IC are 3,4,10,11 and dd4011 pins are 1,2,5,6,9,8,12, Each NAND gate has two inputs and one output. Below is the breadboard schematic version of the above circuit so that you can see the exact wiring of the circuit to the chip. In our circuit, we will use both of these cases.

A Beginner’s Guide To The Cmos

Thus, we can test out all logic levels. N4 was wired independently and there is no dependency on other gates. One place it can be obtained from is Tayda Electronics at the following link: This IC was used since it withdraws only small power and also reduces the complexity of the circuit.

As a result the the bulb will not glow due to low output obtained from the output pins of the cs4011. When either one or both of the pushbuttons are pressed, the NAND gate will output a logic HIGH or 1and the load connected to output will be powered on.

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The pinout of the is shown below, so that you can see how to connect it in the cr4011. This way, we can see what combinations of inputs will make the NAND gate be off and what inputs make it turn on.

Thus, the pushbuttons, when left alone, unpressed, will normally have a logic value of 1. The combined action of the these four gates form the working of this IC CD There we can see cc4011 the NAND gate gives a high output to all the input states except the input states 1,1. So the LED will turn on in this case.

Working of CD IC – Gadgetronicx

When the doors are open the gate inputs will be 1 and the output of the ic 0 which will turn the bulb off. The resistors also keep Vcc from directly shorting to ground when the pushbutton is pushed down. This establishes power to the chip.

This circuit was wired as a door open indicator which indicates the opening of door using the bulb which was connected to the output pins of the gates. We can see the state of the output pins with the assigned inputs in the truth table given above. This circuit is as basic as it gets for a NAND gate circuit and it demonstrates all the possible input values that a NAND gate chip can receive and output.

Frank Donald is an Electronics and Communication Engineer who loves building stuff in his free time. This makes the bulb to glow indicating that the door is not properly shut.

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When we press down on a pushbutton, it changes to a logic level of LOW.

And these situations comprise all the situations that can arise for a 2-input NAND gate. Cd4101 games, blogging and programming are the things he loves most. Frank Donald June 14, 1 Comment. The corresponding input pin will now be grounded and its logic level will change to a logic LOW now that it makes contact down to ground.

Each NAND gate has input pins and 1 output pin. Latest posts by Frank Donald see all. The following two tabs change content below. Now let us see how this Integrated circuit works and how can we use it for our operations.

Each output can fd4011 output current of about 10mA at 12V but this range can reduce as the power supply voltage reduces.

How to Build a NAND Gate Logic Circuit Using a 4011 Chip

This makes the gate to change its output state from low to high. Closing a door will oc level 0 and output level 1 causing bulb to light. First and foremost, we must give power to the NAND gate chip.

The quad NAND gate chip can be obtained very cheaply from a number of online retailers for just a few cents. These resistors function as pull-up resistors.