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74LS139 DATASHEET PDF

Part Number: 74LS, Maunfacturer: Motorola, Part Family: 74, File type: PDF, Document: Datasheet – semiconductor. 74LS datasheet, 74LS pdf, 74LS data sheet, datasheet, data sheet, pdf, Fairchild Semiconductor, Decoder/Demultiplexer. “Typical” parameters which may be provided in SCILLC data sheets and/or specifications can and do vary in different applications and actual performance may.

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Before taking a look at demux, I actually took a look at mux’s datasheet, where I saw an Enable input, to enable or disable mux. Sign up using Facebook.

74LS Datasheet pdf – Decoder/Demultiplexer – Fairchild Semiconductor

Home Questions Tags Users Unanswered. If yes then how can I give it input and select lines? Each half of the LS generates all four minterms of two variables.

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The device has two independent decoders, each of which accept two binary weighted inputs ADatasheer and provide four mutually exclusive active LOW outputs O0-O3. There is no select lines. The outputs are active low, hence the outputs that are not addressed are high. Post Your Answer Discard By clicking “Post Your Answer”, you acknowledge that you have read our updated terms of serviceprivacy policy and cookie policyand that your continued use of the website is subject to these policies.

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Thanks for the answer.

Datasheet «74LS139»

Each decoder has an active LOW Enable input which can be used as a data input for a 4-output demultiplexer. SCILLC makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does SCILLC assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages.

In fact 74lx139 image you show from the datasheet explains this in the “Pin Names” section just below the connection diagram. So, I was confused.

74LS139 Datasheet PDF

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In your first paragraph you say that a demux requires: Thanks for simplifying the answer. What, exactly, do you think the function of pins 1 and 15 are? SCILLC products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other application in which the failure of the SCILLC product could create a situation where personal injury or death may occur.

So, I compared it to Demux’s Enable input. Search the history of over billion web pages on the Internet. So I will accept it. Black Mamba 2. I just better understood the concept from you than from Tom’s answer. In the logic diagram of the 74LS, you have exactly that.

Your explanation resolved my confusion. Full text of ” IC Datasheet: The device dtaasheet two independent decoders, each accepting two inputs and providing four mutually exclusive active LOW Outputs. After that I have taken a look at the datasheet of 1: Here is the link to take a look at datasheet. All operating parameters, including “Typicals” must be validated for each customer application by customer’s technical experts. By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service.

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Not more than one output should be shorted at a time, nor for more than 1 second.

Wouter van Ooijen These four minterms are useful in some applications, replacing multiple gate functions as shown in Fig. Sign up or log in Sign up using Google.

VIEWP n nr 0. Should Buyer purchase or use SCILLC products for any such unintended or unauthorized application, Buyer shall indemnify and hold SCILLC and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that SCILLC was negligent regarding the design or manufacture of the part.

Each half of the LS can be used as a function generator providing all four minterms of two variables. The E enable line can be used as active low input.