HCF Programmable Timer. 16 STAGE BINARY COUNTER LOW SYMMETR. OUTPUT RESISTANCE, TYPICALLY at VDD = 15V OSCILLATOR. HCF Datasheet, HCF PDF, HCF Data sheet, HCF manual, HCF pdf, HCF, datenblatt, Electronics HCF, alldatasheet, free. Part Number: HCF, Maunfacturer: ST Microelectronics, Part Family: HC, File type: PDF, Document: Datasheet – semiconductor.
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HCF datasheet & applicatoin notes – Datasheet Archive
Click here to register now. Output to LED through 1k Pin 9. Started by fastline Yesterday at 8: This is how I am using the IC. Welcome to our site!
Then you will see what is wired wrong. Auto Reset to Gnd Pin 6. You must log in or register to reply here.
Media New media New comments Search media. Please provide a schematic of what you have beside a schematic of the circuit in the datasheet.
(PDF) HCF4541 Datasheet download
Frequency Select B to Gnd for Pin Your reset input pin 6 is shown not connected to anything, it will float in this situation causing random resets due to noise. What is my problem here?
I was expecting nothing on the output except maybe momentarily ,until I had started the count and it had completed. Hi dr pepper, I see what you mean mate but just tried and still chf4541 results. Forums New posts Search forums.
CT 50pF Pin 3. If I put the manual reset line to Gnd and power up I get a neg on the output.
Problem understanding HCF4541 Programmable Timer Datasheet
Potentiometer Questions Started by norbss Yesterday at Can anyone suggest where I am going wrong? RS k Pin 4.
HCF STMicroelectronics, HCF Datasheet