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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Output 1Y is connected to LED through a resistor. Because base current is present the transistor will turn ON.

The internal connection of gates can be given as below. The chip has six gates which do NOT operation. We have six of these gates in 74LS04 chip. The series are digital logic integrated circuits. Even within the guaranteed ranges, consider normally foreseeable failure rates or failure modes in semiconductor devices and employ systemic measures such as fail- safes, so that the equipment incorporating Hitachi product does not cause bodily injury, fire or other consequential damage due to operation of the Hitachi product.

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

Tun-Hwa North Road, Taipei We can use one or dahasheet six of these gates depending on requirement. 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.

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Tokyo 03 Fax: Hitachi bears no responsibility for failure or damage when used beyond the guaranteed ranges. TL — Programmable Reference Voltage. Hitachi Semiconductor America Inc. The gates in this chip provide TTL logic outputs which are a must in some applications. As shown in diagram, we have a transistor forming a NOT gate. Confirm that ddatasheet have.

Here are few cases where 74LS04 is used. Submitted by admin on 4 April Hitachi bears no responsibility for failure or damage when used. This product is not designed to be radiation resistant. Under OFF sate the total supply voltage appears across the transistor.

No one is permitted to reproduce or duplicate, in any form, the whole or part of this document without written approval from Hitachi.

Voltage appears at base of transistor and current flows through it. When you want TTL outputs.

Now let us take a single gate of the datasheeh and connect it as shown in circuit diagram. Copyright ‘ Hitachi, Ltd. The LED is connected to know the output status. No one is permitted to reproduce or duplicate, in any form, the whole or part of this document without. Products and product specifications may be subject to change without notice.

Design your application so that the product is used within the ranges guaranteed by Hitachi particularly. Design your application so that the product is used within the ranges guaranteed by Hitachi particularly for maximum rating, operating supply voltage range, heat radiation characteristics, installation conditions and other characteristics. When button is pressed: Current through base of transistor will be zero.

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Hitachi Asia Hong Kong Ltd. Because base current is zero the transistor will be in OFF state.

74LS04 Datasheet PDF – HEX INVERTER – Motorola

The chip is basically used where a logic inverter is needed. Choose the appropriate package depending on requirement. Confirm that you have received the latest product standards or specifications before final design, purchase or use. Under ON sate the total supply voltage appears across the 74ld04 and voltage across transistor will be zero.

PDF 74LS04 Datasheet ( Hoja de datos )

Hitachi makes every attempt to ensure that its products are of high quality and reliability. Inverter Gates in this chip provide output which is negated logic input. Input here is 1A which is connected to button. If we draw truth table based on above cases, we will have.

Even within the guaranteed ranges, consider normally foreseeable. For further information write to: Hex Inverters with Open Collector Outputs. These NOT gates perform Inverting function.

In the circuit, When button is not pressed: