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74LS04N DATASHEET PDF

74LS Absolute Maximum Ratings(Note 1). Note 1: The “Absolute Maximum Ratings” are those values beyond . This datasheet has been downloaded from. Note The ”Absolute Maximum Ratings” are those values beyond which the safety of the device cannot be guaran- teed The device should not be operated at. 74LS04N from Fairchild Semiconductor. Find the PDF Datasheet, Specifications and Distributor Information.

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As shown in diagram, we have a transistor forming a NOT 74ls0n4. Current through base of transistor will be zero. As shown in diagram, we have a transistor forming a NOT gate. The chip is basically used where a logic inverter is needed. The gates in this chip provide TTL logic outputs which are a must in some applications.

74LS04 NOT Gate IC | IC Datasheet

Output 1Y is connected to LED through a resistor. In the circuit, When button is not pressed: Here are few cases where 74LS04 is used.

The series are digital logic integrated circuits. Input here is 1A which is connected to button. Under 744ls04n case the output 1Y here will be HIGH, since output is nothing but voltage across transistor. The chip is basically used where a logic inverter is needed. Choose the appropriate package depending on requirement.

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Because base current is present the transistor will turn ON. Output 1Y is connected to LED through a resistor. These NOT gates perform Inverting function.

Under ON sate the total supply voltage appears across the resistor and voltage across transistor will be zero. If we draw truth table based on above cases, we will have. Under such case the output 1Y here will also be LOW, since output is nothing but voltage datasheet transistor.

The chip has six gates which do NOT operation. The LED is connected to know the output status.

National Semiconductor

Under such case the output 1Y here will be HIGH, since output is nothing but voltage across transistor. Choose the appropriate package depending on requirement. The series are digital logic integrated circuits. Submitted by admin on 4 April TL — Programmable Reference Voltage. If we draw truth table based on above cases, we will have. Here are few cases where 74LS04 is used.

When button is pressed: Under such case the output 1Y here will also be LOW, since output is nothing but voltage across transistor.

The internal connection of gates can be given as below. Because base current is zero the transistor will be in OFF state. Because base current is zero the transistor will be in OFF state. Now let us take a single gate of the six and connect it as shown in circuit diagram.

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We can use one or all six of these gates depending on requirement.

Now let us take a single 74ls004n of the six and connect it as shown in circuit diagram. The description for each pin is given below. We have six of these gates in 74LS04 chip. Current through base of transistor will be zero. Input here is 1A which is connected to button. TL — Programmable Reference Voltage. In the circuit, When button is not pressed: The LED is connected to know the output status.

We can use one or all six of these gates depending on requirement. Inverter Gates in this chip provide output which is negated logic input. When you want TTL outputs. Voltage appears at base of transistor and current flows through it. Because base current is present the transistor will turn ON. When button is pressed: