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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Notify of all new follow-up comments Notify of new replies to all my comments. When either one or both of the pushbuttons are pressed, the NAND gate will output a icc HIGH or 1and the load connected to output will be powered on.

If the door was open or it is not lc shut, logic 0 is applied to the gate input. The quad NAND gate chip can be obtained very cheaply from a number of online retailers for just a few cents. When the door was closed push button switch, it apply logic 1 to the gate input.

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

When a pushbutton is pressed down, the pushbutton now makes contact across to ground. The positive terminal of the battery was connected to the pin 14 and negative terminal if the battery was connected to the pin7.

Below is the breadboard schematic version of the above circuit so that you can see the exact wiring of the circuit to the chip. The output pins of cd011 IC are 3,4,10,11 and input pins are 1,2,5,6,9,8,12, And these situations comprise all the cv4011 that can arise for a 2-input NAND gate.

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Latest posts by Frank Donald see all. Here in this circuit the input pins of the are connected to the supply voltage directly as shown in the diagram. Thus, the pushbuttons, when left alone, unpressed, will normally have a logic value of 1.

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

However, in this circuit, we will just use one NAND gate, to make the circuit as simple as possible. Thus, we can test out all logic levels.

Frank Donald June 14, 1 Comment. Video games, blogging and programming are the things he loves most. This IC was used since it withdraws only small power and also reduces the complexity of the circuit. We can see the state of the output pins with the assigned inputs in the truth table given above.

Now let us see how this Integrated circuit works and how can we use it for our operations. 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. The resistors also keep Vcc from directly shorting to ground when the pushbutton is pushed down. This way, we can see what combinations of inputs will make the NAND gate be off and what inputs make it turn on.

This makes the bulb to glow indicating that the door is not properly shut. First and foremost, we must give power to the NAND gate chip.

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One place it can be obtained from is Tayda Electronics at the following link: Frank Donald is an Electronics and Communication Engineer who loves building stuff in his free oc. Let me tell you why, usage of large range of the NAND gates occupies more space and also it withdraws more power arising problems in power management to a circuit. There we can see that the NAND gate gives a high output to all the input states except the input states 1,1. Closing a door will input level 0 and output level 1 causing bulb cd4101 light.

This cd40111 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. The pinout of the is shown below, so that you can see how to connect it in the circuit.

So the LED will turn on in this case.

Practical Electronics/IC/4011

When we press down on a pushbutton, it cr4011 to a logic level of LOW. The corresponding input pin will now be grounded and its logic level ccd4011 change to a logic LOW now that it makes contact down to ground. The following two tabs change content below. The combined action of the these four gates form the working of this IC CD Each NAND gate has input pins and 1 output pin.