See detailed ordering and shipping information in the package dimensions section on page 6 of this data sheet. ORDERING INFORMATION. 74HC Datasheet, 74HC Dual Decade Ripple Counter Datasheet, buy 74HC 74HC Semiconductors are available at Mouser Electronics. Mouser offers inventory, pricing, & datasheets for 74HC Semiconductors.

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Q0 would be Qa. Post the part number of the part you’re using, and any data you have on it. Ask a Question Want to reply to this thread or ask your own question? For instance, the synchronous decade counter is synchronous in its counting only. Search Forums Recent Posts.

Started by fastline Yesterday at 8: Fatasheet Tech is an online community with overmembers who enjoy talking about and building electronic circuits, projects and gadgets. Design 74HC dividers.

74HC390 Dual Decade Ripple Counter Logic IC

You do have to be careful with counters. Replacing a 4 pin leaded inductor with a 2 pin Started by gkmaia Yesterday at Apr 14, 5. Did you derive that from the data sheet? Thread starter Space Varmint Start date Sep 1, Someone must have produced a table, but extensive Googling fails to find it! I have used decade counters using the “carry output” but I don’t have one hooked up right now. Apr 14, 7. Well those pins are not on the pinout. Welcome to our site!


Just saying hello Started by MichaelaJoy Yesterday at 6: You’re maybe confusing this with 7hc390 term “symmetrical”.

But you’ll still potentially have a non-symmetrical Qd output if it’s not a straight binary counter. I think I got it now.

Datasheet «MC54/74HC390»

Apr 14, 8. You must log in or sign up to reply here. To participate you need to register.

It was not a stupid question. I know the pin strappings for divide by 4 example 14 to 215 to 32,4,8,12,14 to Ground1 in and 13 out and divide by from a Mr Carlson’s Lab YouTube datasehet, but I would like to find the pin strappings for the other possibilities I believe I could divide by 2,5,10,20,25,50? Forums New posts Search forums.

74HC Datasheet(PDF) – List of Unclassifed Manufacturers

The TTL counter is such a beast. Thanks for that description. BrownOut Banned Sep datzsheet, I intend to use the 74hc data sheet: Apr 14, 9.

I want to experiment with 74HC chip. Click here to register now.


Switching lots of connections simultaneously. And when you want to cascade them, the various stages will be rippled even though within each stage it’s synchronous.

After that, you can post your question and our members will help you out. Is the Qd output the divide by 10 frequency?

Design b 74HC divoders. And just because a counter is a synchronous counter doesn’t mean that it’s synchronous in every sense or will be synchronous in cascade.

74HC Datasheet PDF – Philips Electronics

Hey, but thanks for reply. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. That wasn’t a billed response was it?

Apr 14, 6. Did you look at the datasheet of the SN74HC?