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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Inverter Gates in this chip provide output which is negated logic input. Voltage appears at base of transistor and current flows through it.

Under OFF sate the total supply voltage appears across the transistor. Voltage appears at base of transistor and current flows through it. Because base current is zero the transistor will be in OFF state. The chip has six gates which do NOT operation. Under such case the output 1Y here will also be LOW, since output is nothing but voltage across transistor. These NOT gates perform Inverting function.

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74LS04 Pinout, Features, Equivalent, Examples & Datasheet

When you want TTL outputs. The internal connection of gates can be given as below.

When button is pressed: Because base current is present the transistor will turn ON. The gates in this chip provide TTL logic outputs which are a must in some applications. Under such case the output 1Y here will be HIGH, since output is nothing but voltage across transistor. The description for each pin is given below. The LED is connected to know the output status.

Under such case the output 1Y here will also be LOW, since output is nothing but voltage across transistor. Output 1Y is connected to LED through a resistor. As shown in diagram, we have a transistor forming a NOT gate.

(PDF) 74LS04N Datasheet download

The LED is connected to know the output status. Current through base of transistor will be zero. Current through base of transistor will be zero. Output 1Y is connected to LED through a resistor. In the circuit, When button is not pressed: If we draw truth table based on above cases, we will have.

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Here are few cases where 74LS04 is used. The chip is basically used where a logic inverter is needed.

74LS04 Pinout, Features, Equivalent, Examples & Datasheet

We can use one or all six of these gates depending on requirement. The series are digital logic integrated circuits. The chip has six gates which do NOT operation.

Under ON sate the total supply voltage appears across the resistor and voltage across transistor will be zero.

When button is pressed: Inverter Gates in this chip provide output which is negated logic input. These NOT gates perform Inverting function.

When you want TTL outputs. Input here is 1A which is connected to button. Input here is 1A which is connected to button.