HCF4017 DATASHEET PDF

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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Media New media New comments Search media. To participate you need to register. 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. Else I still have no idea what to do. If output current is close to maximum increase the value of C1 accordingly.

According to the datasheets I followed it isn’t nessecary to connect pin 5. Thread starter Smonjirez Start date Oct 6, The datasheet for the Cmos Intersil’s ICM shows that an ordinary causes a supply current spike of mA when its output switches.

COUNTERS/DIVIDERS

If you don’t then the circuit probably will not work properly. Btw, Datasneet using a 12 – 13,5v accumulator as a powersource. Replacing a 4 pin leaded inductor with a 2 pin Started by gkmaia Yesterday at But now I’m not even getting one chip to work right. For a better experience, please enable JavaScript in your browser before proceeding.

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Did you try to sequence two?

HCF (STMICROELECTRONICS) PDF技术资料下载 HCF 供应信息 IC Datasheet 数据表 (1/12 页)

Click here to register now. The control pin has nothing to do with decoupling. Potentiometer Questions Started by norbss Yesterday at Datasheets, Manuals or Parts. How much current are you trying to draw from the pin?

Weird 4017 behaviour

Got part of the scheme from internet Knight Rider lights for model cars and extended it myself with another additional chip to use 8 LEDs in this “back and forth” datasheft. Electro Tech is an online community with overmembers who enjoy talking about and building electronic circuits, projects and gadgets.

Smonjirez New Member Oct 9, Welcome to our site! Smonjirez New Member Oct 6, Your CD is not connected to 0V so it cannot do anything. Does anyone know what I did wrong? Attached is a proper decoupling circuitry for the NE The datasheet for National’s ordinary the LM shows that it needs two supply bypass capacitors to keep other ICs from crashing when the output switches.

I don’t see the important supply bypass capacitors. The circuit will work alright if you cascade the counters.

HCF datasheet, HCF datasheets, manuals for HCF electornic semiconductor part

Plus, I don’t see any problems with how my chip functions, that one just works fine imo. Boncuk New Member Oct 9, Forums New posts Search forums. This site uses cookies to help personalise content, hcf40177 your experience and to keep you logged in if you register.

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You must log in or register to reply here. I think this is what you want? I’m currently working on a knight rider scanner. Well I haven’t ground pin 11 indeed.

Articles Top Articles Search resources. This stays the same when I mount more LEDs to the other ports, it’s not how it’s supposed to be. Dataheet New Member Oct 8, Can’t find any errors in my configuration. By continuing to use this site, you are consenting to our use of cookies. Yes that was my first attempt but datassheet failed so hard I switched back to just one chip, but it still behaves very odd. Replacement Transformer Started by ncag Today at 7: Why don’t people read the datasheets??

Should I do that? So well, the cascading comes for later. Hi, that is what audioguru tried to make clear to you.

The problem is, I’ve got the timer to work, no problem there, can adjust the pulsing speed with a k potentiometer just mounted a LED to pin 3 with a ohm resistorno problems there. But if you’re talking about another condensator connected to another input or something, could you please modify my circuit and post fatasheet You do have a resistor in series with the LED?