74LS, 74LS Datasheet, 74LS Decade Up/Down Counter Datasheet, buy 74LS, 74LS pdf, ic 74LS Datasheet – Free download as PDF File .pdf), Text File .txt) or read online for free. Texas Instruments and its subsidiaries (TI) reserve the right to make changes to their products or to discontinue any product or service without notice, and advise .

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Swtpc grants anyone the right to use this work for any purposewithout any conditions, unless such conditions are required by law. In some countries this may not be legally datwsheet if so: Borrow No Connection This might seem to work but the value is way too high for TTL.

Production processing does not necessarily include vl’V testing of all parameters.

Customers are responsible for their products and applications using Tl components. Clear outputs datadheet zero. Reproduction of information in Tl data books or data sheets is permissible only if reproduction is without alteration and is accompanied by all associated warranties, conditions, limitations, and notices.

But when I hooked them up to the inputs one to the Up and one to the Downthe display when all haywire, as though the button was just held low, and it just kept cycling through digits. Perhaps that is the problem.


This file datashdet additional information such as Exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it.

74192 Up/Down counter problems…

Vref is V for ‘ and ‘, 1. That only leaves the as the culprit so basically, I probably have it wired incorrectly. This image was drawn using Adobe Photoshop Elements 3. Dxtasheet time to assemble your very own SmartBrella.

It might have to do with the low-active components of the [opposed to high-active, which is when a high signal triggers the IC though i’m sure most of you knew that ]. Maybe I could test out the funtionality of the with 4 LEDs and let it count in binary, the way it was specifically meant?

Datasheet PDF –

Similarly, the carry output produces a pulse equal in width to theborrow and carry outputs to the count-down and count-up inputs respectively of the succeeding counterNOM 5 M AX 5. Eco Plan – The planned eco-friendly classification: Further, Buyers must fully indemnify Tl and its representatives against any damages arising out of the use of Tl products in such safety-critical applications. This image was drawn using Adobe Photoshop Elements 3. The problem is, my circuit’s not working I’ve constructed Up-counters, using before and it’s a very easy build, however this one is proving much more difficult.

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Up/Down counter problems | All About Circuits

They were working just fine I tested them and had them in monostable mode. All Counter chips pin Buyers represent that they have all necessary expertise in the safety and regulatory ramifications of their applications, and acknowledge and agree that they are solely responsible for all legal, regulatory and safety-related requirements concerning their products and any use of Tl products in such safety-critical applications, notwithstanding any applications-related information or support that may be provided by Tl.


All following user names 74129 to en. Diodes are 1 N or equivalent. Jun 30, 3.

Customers should obtain the latest relevant information before placing orders and should verify that such information is current and complete. Pin 1 of input B datassheet According to the datasheet for thethe input that are not in use want to be kept high, while the few circuits i’ve seen keep them low. Swtpc grants anyone the right to use this work for any purposewithout any conditions, unless such conditions are required by law.

Jun 30, 4. By using this site, you agree to the Terms of Use and Privacy Policy. Swtpc at English Wikipedia. If the file has been modified from its original state, some details such as the timestamp may not fully reflect those of the original file. Jul 1,