DATASHEET SN74LS08N PDF

SN74LS08N .. Reproduction of TI information in TI data books or data sheets is permissible only if reproduction is without alteration and is accompanied. SN74LS08N datasheet, SN74LS08N pdf, SN74LS08N data sheet, datasheet, data sheet, pdf, Motorola, QUAD 2-INPUT AND GATE. SN74LS08N from Texas Instruments High-Performance Analog. Find the PDF Datasheet, Specifications and Distributor Information.

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Make sure you are identifying pin 1 correctly and counting the pins in the correct direction. Here are the datasheets: Disconnect everything but power and ground. Datasjeet as a guest Name. Unconnected inputs are not good news for CMOS logic though, can cause oscillations and higher power consumption. Read times previous topic – next topic.

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. BobT 5 7. 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. Once you see the outputs from the AND gates acting like they should, hook them up to the next stage.

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

I meant you could make use of the breadboard bus marked with a blue line. Not the wire colour Note that I OL is 8mA, which is the recommended sink current.

(PDF) SN74LS08N Datasheet download

That would tend to let the magic smoke out Home Questions Tags Users Unanswered. Sign up using Facebook. CrossRoads on Dec 29, Sign up using Email and Password.

Check with a DVM to make sure you have things hooked up correctly and that the voltage is correct. Sign up or log in Sign up using Google. All logic circuits need decoupling as a matter of course, right next to each chip. I hope this quality is good enough. Terminate to High sn7ls08n Low as needed.

SN74LS08N Datasheet pdf – QUAD 2-INPUT AND GATE – Motorola

The last thing you did is where you should start looking. Yes, apparently you did next time I’ll zoom out a bit more when looking at a picture.

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Power it with 5V. A complete newbie question here: The key to troubleshooting these kind of problems is to break them down to their essentials and add stages only after what you start with is working properly. Email Required, but never shown. zn74ls08n

I’ve got some logic gates from Texas Instruments and would like to understand why the left circuit doesn’t work while the right one works well and. The 74LS08 circuit issue must be a wiring one. CMOS is symmetrical and you can drive loads either way.

Apologies if I am missing something obvious, I am a first year EE student. Make sure that the inputs are within data sheet spec DVM again, at least for the DC levels- scope is better. I apparently was trying to use the IC upside-down, sending power to ground, and ground to power.

Look for I OH. This is the recommended operating current that can be sourced. The datasheet says that it requires a minimum of 4. MarkT Brattain Member Posts:

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