DATASHEET 74LS04 PDF

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. µA. VCC = MAX, VIN = V. IIH. Input HIGH Current. mA. VCC = MAX, VIN = V. IIL. Input LOW Current. – mA. VCC = MAX, VIN = V. IOS. 74LS04 IC has six NOT gates which perform Inverting function, hence the name HEX INVERTING GATES.

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The LED is connected to know the output status. Hitachi bears no responsibility for failure or damage when used. Hitachi bears no responsibility for failure or damage when used beyond the guaranteed ranges.

We can use one or all six of these gates depending on requirement. Under such case the output 1Y here will be HIGH, since output is nothing but voltage across satasheet. Recommended Operating Conditions Electrical Characteristics over recommended operating free air temperature range unless otherwise noted Note 2: Submitted by admin on 4 April Because base current is present the transistor will turn ON.

For further information write to: Voltage appears at base of transistor and current flows through it. Inverter Gates in this chip provide dagasheet which is negated logic input.

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Copyright ‘ Hitachi, Ltd. Output 1Y is connected to LED through a resistor. Current through base of transistor will be zero.

National Semiconductor

Choose the appropriate package depending on requirement. The chip has six gates which do NOT operation. A critical component in any component of a life support device or system whose failure to perform can be reasonably expected to cause the dataheet of the life support device or system, or to affect its safety or effectiveness.

Confirm that you have. When you want TTL outputs.

74LS04 Hoja de datos ( Datasheet PDF ) – Hex Inverters(with Open Collector Outputs)

Tokyo 03 Fax: No one is permitted to reproduce or duplicate, in any form, the whole or part of this document without written approval from Hitachi. This product is 74ps04 designed to be radiation resistant. The device should not be operated at these limits. Now let us take a single gate of the six and connect it as shown in circuit diagram.

We have six of these gates in 74LS04 chip. Under OFF sate the total supply voltage appears across the transistor. Here are few cases where 74LS04 is used. The internal connection of gates can be given as below. The parametric values defined in the Electrical Characteristics tables are not 74l04 at the absolute maximum ratings.

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Hex Inverters with Open Collector Outputs.

This datasheet has been downloaded from: Hitachi Semiconductor America Inc. If we draw truth table based on above cases, we datasheett have. Because base current is zero the transistor will be in OFF state. Even within the guaranteed ranges, consider normally foreseeable. These NOT gates perform Inverting function. Under such case the output 1Y here will also be LOW, since output is nothing but voltage across transistor. The description for each pin is given below.

Life support devices or systems are devices or systems which, a are intended for surgical implant into the body, or b support or sustain life, and c whose failure to perform when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result 74,s04 a significant injury to the user.

When button is pressed: The gates in this chip provide TTL logic outputs which are a must in some applications.