IC 7404 Pin Diagram, Circuit Design, Data sheet, application

IC 7404 or IC 74LS04

IC 7404 or IC 74LS04 is a logic gate IC. It consists of six NOT Gates. We know that the NOT gate is also called an inverter because of it does the complements of the input. When we apply 0 or low signal to the input it gives 1 or high signal in output.

The Pin Diagram of IC 7404:

The IC 7404 consists of fourteen pins each pin are shown below.

Operating Condition of IC 74LS04:

1.      The power supply should be given to the IC from 4.5V DC to 5.25V DC

2.      The IC will consider a signal as high when the voltage of the signal is above 2V

3.      The IC will consider a signal as low when the voltage of the signal is below 0.8V

4.      The operating temperature of the IC should be below the 70-degree centigrade

Characteristics:

1.      IC 74LS04 can deliver -0.4 mA current when the output is high.

2.      It can deliver 16 mA current when the output is low.

3.      When the Vcc is 5V and the input signal is 5V then the IC draws 1 mA current.

4.      When the Vcc is 5V and the input signal is 2.7V then the IC draws 20 to 40 micro-ampere currents.

5.      When the Vcc is 5V and the input signal is 0.4V  then the IC draws -1.6 mA current.

Internal Structure of IC 7404:

As I told you before that, the IC 7404 consists of six NOT Gates, which you can also notice in the below figure.

Pin Description of the IC 74LS04:

We have numbered the NOT Gates by 1, 2, 3, 4, 5, 6.

Pin 1: The pin 1 is the input for 1st NOT Gate.

Pin 2: Pin 2 is the output of 1st NOT Gate.

Pin 3: Pin 3 is connected to the input of the 2nd NOT Gate.

Pin 4: Pin 4 is the output of the 2nd NOT Gate.

Pin 5: Pin 5 is connected to the input of the 3rd NOT Gate.

Pin 6: Pin 6 is connected to the output terminal of the 3rd NOT Gate.

Pin 7: Pin 7 is the ground pin, it is used to provide a power supply to the IC.

Pin 8: It is the output pin of the 4th Gate.

Pin 9: It provides the input pin for the 4th Gate.

Pin 10: Output of the 5th Gate is connected to the pin 10

Pin 11: Input of the 5th Gate.

Pin 12: It is connected to the output of the 6th Gate.

Pin 13: The pin 13 is connected to the input of the 6th Gate.

Pin 14: It is the Vcc terminal of the IC, it is used to provide the power supply to the IC chip.

Application of IC 7404:

1.      IC 7404 is mostly used for digital electronics projects.

2.      They are also used in some electronic devices.

3.      They are also used in Space instruments.

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