74LS20 DATASHEET PDF

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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. 74LS20 datasheet, 74LS20 pdf, 74LS20 data sheet, datasheet, data sheet, pdf, Fairchild Semiconductor, Dual 4-Input NAND Gate. 74LS Absolute Maximum Ratings(Note 1). Note 1: The “Absolute Maximum Ratings” are those values beyond which the safety of the device cannot be.

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Uno R3 Arduino Comp How to Make Learning More Fun? Your LED will be drawing more than 0. Order Information Free shipping. Sign up using Facebook. However it seems that you have connected IC pin 11 to Gnd. Sign up or log in Sign up using Google.

Email Required, but never shown. I’ve tried the same circuit with a couple of IC’s in case one was faulty, but the same behavior is exhibited.

Pin 11 is a no-connect on the normal DIP package, so grounding that pin has no effect. I’ve tried to pair the inputs together as I want it to function as a dual input gate. You can also call us at or send us a message through our Facebook page. I’m using a quad input due to lack of components. 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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I wonder if you have misinterpreted whatever IC datasheet you have been looking at, if it contains that unusual pinout, with Gnd on pin 11? A couple more points: This won’t be doing the IC any good, although I hope that permanent damage won’t happen.

Some functions may be missing or not functioning. As already commented by John Da real schematic would definitely help readers. I just couldn’t think of another reason why there is a Gnd connection on pin 11 – that was the only hypothesis I could think of.

The administrators are still migrating contents to our new home. It is interesting that pin 11 is connected to Gnd on the OP’s breadboard, for the reason I explain in my answer.

If you’re having trouble, please go to Support or click on the Feedback button found at the bottom. Search form Search this site. FYI connecting anything to an “NC” pin is risky. Other Services Custom Projects.

Have I wired this wrong? Arduino Pro Mini I have this circuit: Post as a guest Name.

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74LS20 Dual 4-input NAND Gate IC | Jaycar US Site

There is no connection from IC pin 7 to Gnd 0V. Popular Products Tinkduino Leo. Our office is open: If you have any amazing things you want to discuss with Tinkbox, don’t hesitate to contact us:. Engineered in the Philippines.

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(PDF) 74LS20 Datasheet download

Create new account Request new password. Dtaasheet device contains two independent gates each of which performs the logic NAND function. Whereas in a “W” ceramic flat-pack package, the uses pin 11 as Gnd: However, there is one clear bug: Peter – Absolutely agreed. By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service.

74LS20 Datasheet PDF / TI –

The problem I see is not so much that pin 11 is connected to Gnd; but that pin 7 is not connected to Gnd. Product Group Product Description.

Hopefully the OP can explain why they did this. You can place your order any day and time. Home Questions Tags Users Unanswered.