7404N DATASHEET PDF

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You can use a instead of the The has open-collector outputs. Is there a free web service where I can make that easily? I want to use the N together with a 74LS to do memory address decoding.

You are right – didn’t think about that combination: The comment was really more for the OP’s benefit to help him work out his logic.

Since the 74LS has active low outputs, the Y0 and Y7 outputs will never both be low at the same time. By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service. I don’t think it’ll fry anything, but since s aren’t open-collector gates, if you connect two outputs together and they’re not both high xatasheet low at the same time, the output logic level will be undefined and can’t be guaranteed to be either a 1 or a zero.

7404 – 7404 Hex Inverter Datasheet

No that won’t work. Thanks for mentioning datashet. I will connect two Yx pins to two two separate input pins on the N. Sign up using Facebook.

Tut yes, you’re right, forgot the ’06 was inverting. Will switch to use the ‘ And thank you for teaching me how to ask questions here: 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. What you are doing with the two outputs is not okay. You should combine them with some sort of logic function eg ‘Or”And’ or similar.

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That is, if one is high and the other is low. I’m thinking that I can just use a ? Sign up or log in Sign up using Google. I’m not doubting your answer – I just don’t understand why: 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. Sounds like what I need. Home Questions Tags Users Unanswered.

Can you explain to me why it won’t work?

N. Datasheet, PDF – Alldatasheet

Basically if one of them wants to be high and the other wants to be low, they will compete and force limiting currents through each other, very likely damaging them, because you cannot guarantee in any case that they will go high or low at the same time, since then you’d have to tie both inputs together as well. I had a feeling that this was the case. Following is the schematic from TI’s data sheet so you can see what’s going on in there, and what logic function do you want to implement?

I didn’t know about that concept and will read up on it.

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Thanks for the correction. Will that fry the N?

Post as a guest Name. If they’re not both high or low at the same time Sign up using Email and Password. Is it OK for the output pins to be high? Tying the two outputs together in this fashion is called a ” datsaheet ” or ” wired-and ” depending on the polarity of the signals the latter in 74044n case, because the outputs of the ‘ are active low.

It’s unconventional, but clear what you meant in your question now. Or, better yet, can you complete datasheeh truth table?: Woah – that’s neat! So there won’t be 7404h conflict if one output of the is high and the other is low. Icy 2, 5 You should include a truth table. But I’m too lazy to edit, I’m just going to consider that last comment as over-completeness: I have made one – just know that I am a total noob regarding electronics – you’ll probably laugh at my attempt: Email Required, but never shown.

Thanks so much for the answer. It is not clear under what conditions you want to enable the Micro-Kim expansion port. You can’t wire two outputs together like that.

I’m a noob here. You are aware that the 74LS’s outputs are active-low aren’t you? If both outputs are 1 5V wouldn’t they combined still 7404 5V?