74HC390 DATASHEET PDF

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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Hello First question here. I think I got it now.

Dstasheet instance, the synchronous decade counter is synchronous in its counting only. Electro Tech is an online community with overmembers who enjoy talking about and building electronic circuits, projects and gadgets. I intend to use the 74hc data sheet: Apr 14, 2.

74HC datasheet, Pinout ,application circuits 74HC/HCT Dual Decade Ripple Counter

Welcome to our site! Is the Qd output the divide by 10 frequency?

So that’s the purpose of the “other” mode. 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 datashdet, 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?

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Media New media New comments Search media. BrownOut Banned Sep 1, Using a Qd datsheet as the gate input for a frequency counter would be a bad idea!

You’re maybe confusing this with the term “symmetrical”. Click here to register now. Did you derive that from the data sheet?

74HC390 Datasheet

Oh, Texas Instruments say it is obsolete do not show its datasheet. For a better experience, please enable JavaScript in your browser before proceeding. By continuing to use this site, you are consenting to our use of cookies. Apr 14, 6. Switching lots of connections simultaneously. Apr 14, 8. Apr 14, 1. And when you want to datxsheet them, the various stages will be rippled even though within each stage it’s synchronous.

The Qd output of most any counter that is not a pure binary counter is often non-symmetrical, that is, the output is not a perfect square wave. I want datashwet experiment with 74HC chip. Someone must have produced a table, but extensive Googling fails to find it! That wasn’t a billed response was it?

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You must log in or sign up to reply here. I don’t know what that other configuration is. I noticed your signature. BrownOut Banned Sep 2, Design 74HC dividers. Thread starter Space Varmint Start date Sep 1, However, if you don’t use the outputs to drive a display, you can switch the divide-by-2 section with the divide-by-five section so that the divide-by-two section is last in each decade chain and then you WILL have a symmetrical output.