Texas Instruments SN74LS08N: available from 42 distributors. Explore Integrated Circuits (ICs) on Octopart: the fastest source for datasheets, pricing. (RoHS). CU NIPDAU. N / A for Pkg Type. SN74LS08N. ACTIVE. PDIP. N. Pb-Free. (RoHS). CU NIPDAU. N / A for Pkg Type. SN74LS08N3. OBSOLETE. Copy SN74LS08N. Description, IC GATE AND 4CH 2-INP 14DIP. Copy IC GATE AND 4CH 2-INP 14DIP. Manufacturer Standard Lead Time, 6 Weeks. Detailed.

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Check with a DVM to make sure you have things hooked up correctly sn74ls08n datasheet that the voltage is correct.


I apparently was trying to use sn74ls08n datasheet IC upside-down, sending power to ground, and ground to power. The key to troubleshooting these kind of problems is to break them down to their essentials and add stages only after what you sj74ls08n with is working properly. LarryD on Dec 29, Make sure that the inputs are sn74ls08n datasheet data sheet spec DVM again, at least for the DC levels- scope is better.

Note that I OL is 8mA, which is the recommended sink current. Once you see the darasheet from the AND gates acting like they should, hook them up to the sn74ls08n datasheet stage.

MarkT Brattain Member Posts: Sign up or log in Sign up using Google. Thanks for the advice. Once you have datawheet nicely quiescent, powered up chip that doesn’t try to immolate itself you can start adding logic inputs and looking at en74ls08n outputs. Here are the datasheets: By clicking “Post Your Answer”, you acknowledge that you have read our updated terms sn74ls08n datasheet serviceprivacy policy and sn74ls08n datasheet policyand that your continued use of the website is subject to these policies.

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sn74ls08n datasheet That would tend to let the magic smoke out Apologies if I am missing something obvious, I am a first year EE student. I sn74ls08n datasheet understand, why OUT green cable still “high” and the LED on even if both inputs yellow cables sn74lz08n off here both are on. If it does, try a different chip- the original one sn74ls08n datasheet have been fried. The chip should not heat up. Make sure power’s on pin 14 and ground is on pin 7.

Start creating good wiring habits. Now with Unlimited Eagle board sizes! See my previous post for output driving currents and suggestion.

Make sure you are identifying pin 1 correctly and counting the pins in the sn74ls08n datasheet direction. This site uses cookies to deliver our services and to show you relevant ads and job listings.

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Terminate to High or Low as needed. All logic sn74ls08n datasheet need decoupling as a matter of course, right next to each chip. Show us a good image of your wiring. This is the recommended operating current that can be sourced. Sn74ls08n datasheet, apparently you did next time I’ll zoom out a bit more when looking at a picture.

You are lacking decoupling caps on your sn74ls08n datasheet BTW – don’t get into that bad habit, nF ceramic for each chip is a good starting point. Not the wire colour Glad things are working now.

The last thing you did is where you should start looking. Read times previous topic – next topic.

Look for I OH. I’m not using any of the AND gates. The 74LS08 circuit issue must be sn74ls08n datasheet wiring one.

The datasheet says that it requires a minimum of 4. Sign up using Facebook.

SN74LS08N Datasheet(PDF) – Motorola, Inc

I meant you could make use of the breadboard bus marked with a blue line. Disconnect everything but power and sn74ls08n datasheet. The 74LS05 circuit cannot work as that’s an open-collector chip – the outputs can only sink current, not source it.