HCF Counters/dividers. MEDIUM SPEED OPERATION: 10 MHz (Typ.) at VDD = 10V FULLY STATIC OPERATION STANDARDIZED SYMMETRICAL. HCF datasheet, HCF circuit, HCF data sheet: STMICROELECTRONICS – COUNTERS/DIVIDERS,alldatasheet, datasheet, Datasheet search site. HCF Semiconductors are available at Mouser Electronics. Mouser offers inventory, pricing, & datasheets for HCF Semiconductors.

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To participate you need to register. Potentiometer Questions Started by norbss Yesterday at Yes that was my first attempt but it failed so hard I switched back to just one chip, but it still behaves very odd.

I think you are talking about the 0,1uF capacitor which darasheet be connected to pin 5 control?

(PDF) HCF4017 Datasheet download

Btw, I’m using a 12 – 13,5v accumulator as a powersource. Else I still have no idea what to do. Replacing a 4 pin leaded inductor with a 2 pin Started by gkmaia Yesterday at Why don’t people read the datasheets?? But, when I connect pin 3 from the timer to pin 14 from the chip and of course the 0V, reset and enable pins to the 0V linethe output is kinda weird.


If output current is close to maximum increase the value of C1 accordingly. Should I do that? Your CD is not connected to 0V so it cannot do anything. Smonjirez New Member Oct 9, You must log in or register to reply here.

HCF 데이터시트(PDF) – STMicroelectronics

Did you try to sequence two? The datasheet for National’s ordinary the LM shows that it needs two supply bypass capacitors to keep other ICs from crashing datasyeet the output switches.

If you don’t then the circuit probably will not work properly. Boncuk New Member Oct 6, Smonjirez New Member Oct 6, Forums New posts Search forums.

CD HCF – Digiesseshop

This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. The circuit will work alright if you cascade the counters. But if you’re talking about another condensator connected to another input or something, could datazheet please modify my circuit and post it?

The datasheet for the LM says to use a 0. Attached is a proper decoupling circuitry for the NE According to the datasheets I followed it isn’t nessecary to connect pin 5. Click here to register now.

Replacement Transformer Started by ncag Today at 7: Hey, I’m kinda new to this forum, but I have a question. So well, the cascading comes for later.


For a better experience, please enable JavaScript in your browser before proceeding. By continuing to datahseet this site, you are consenting to our use of cookies. I’m currently working on a knight rider scanner.

But now I’m not even getting one chip to work right.


Articles Top Articles Search resources. Smonjirez New Member Oct 8, Boncuk New Member Oct 9, Plus, I don’t see any problems with how my chip functions, that one just works fine imo. The control pin has nothing to do with decoupling. Does anyone know what Gcf4017 did wrong?

Datasheets, Manuals or Parts. But, it flashes totally randomly and in variating brightness also totally random.

Thread starter Smonjirez Start date Oct 6, Welcome to our site! Can’t find any errors in my configuration. Hi, that is what audioguru tried to make clear to you. I don’t see the important supply bypass capacitors.