HCF4541 DATASHEET PDF

Gardatilar If pin 6 is high then the timer is always reset. Hi to all, I am trying to build a long interval timer using the HCF IC and am not getting the results I expected, but I am not certain that I am reading the datasheet correctly. Your reset input pin 6 is shown not connected to anything, it will float in this situation causing random resets due to noise. Started by fastline Yesterday at 8: Click here to register now. Auto Reset to Gnd Pin 6. The timer is working normally.

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Vudogor Welcome to our site! You must log in or register to reply here. Can anyone suggest where I am going wrong? Click here to register now. The datasheet is puzzling me to say the least. Just saying hello Started by MichaelaJoy Yesterday at 6: I think I am reading the logic and timing tables correctly and that the k, k and 50 pic is all in range?

If pin 6 is high then the timer is always reset. Then you will see what is wired wrong. Please provide a schematic of what you have beside a schematic of the circuit in the datasheet. Auto Reset to Gnd Pin 6. Forums New posts Search forums. For a better experience, please enable JavaScript in your browser before proceeding.

Your reset input pin 6 is shown not connected to anything, it will float in this situation causing random resets due to noise. Started by fastline Yesterday at 8: RS k Pin 4. RTC k Pin 2. By continuing to use this site, you are datawheet to our use of cookies. If I put the manual reset line to Gnd and power up I get a neg on the output. Output to LED through 1k Pin 9. I was expecting nothing on the output except maybe momentarily ,until I had started the count and it had completed.

This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. What is my problem here? Hi dr pepper, I see what you mean mate but just hc4f and still same results. To participate you need to register. Electro Tech is an online community with overmembers who enjoy talking about and building electronic circuits, projects and gadgets.

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Vudogor Welcome to our site! You must log in or register to reply here. Can anyone suggest where I am going wrong? Click here to register now.

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HCF4541 STMicroelectronics, HCF4541 Datasheet - Page 6

Akinogal Then you will see what is wired wrong. What is my problem here? To participate you need to register. Output to LED through 1k Pin 9. Click here to register now. RS k Pin 4.

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HCF4541 DATASHEET PDF

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