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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TL — Programmable Reference Voltage. Output 1Y is connected to LED through a resistor. Inverter Gates in this chip provide output which is negated logic input. Under ON sate the total supply voltage appears across the resistor and voltage across transistor will be zero.

Input here is 1A which is connected to button. These NOT gates perform Inverting function. Because base current is zero the transistor will be in OFF state. Input here is 1A which is connected to button. Here are few cases where 74LS04 is used. The chip is basically used where a logic inverter is needed.

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If we draw truth table based on above cases, we will have. Because base current is zero the transistor will be in OFF state.

The chip has six gates which do NOT operation. As shown in diagram, we have a transistor forming a NOT gate. Current through base of transistor will be zero. The chip has six gates which do NOT operation. We can use one or all six of these gates depending on requirement.

TL — Programmable Reference Voltage. Current through base of transistor will be zero. The internal connection of gates can be given as below.

(PDF) 74LS04N Datasheet download

We have six of these gates in 74LS04 chip. The description for each pin is given below. Under such case the output 1Y here will be HIGH, since output is nothing but voltage across transistor.

Inverter Gates in this chip provide output which is negated logic input.

74LS04 Datasheet

If we draw truth table based on above cases, we will have. Here are few cases where 74LS04 is used. Under OFF sate the total supply voltage appears across the transistor. The chip is basically used where a logic inverter is needed. As shown in diagram, we have a transistor forming a NOT gate. Submitted by admin on 4 April Submitted by admin on 4 April In the circuit, When button is not pressed: Under such case the output 1Y here will also be LOW, since output is nothing but voltage across transistor.

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Under ON sate the total supply voltage appears across the resistor and voltage across transistor will be zero. 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. When button is pressed: When you want TTL outputs. The gates in this chip provide TTL logic outputs which are a must in some applications. The series are digital logic integrated circuits.

Now let us take a single gate of the six and connect it as shown in circuit diagram. The internal connection of gates can be given as below.