HCF4013BE DATASHEET PDF

Each of these two Flip-Flops can be used individually based on our application. The flip-flops are also called as latching devices meaning it can remember one single bit of data and due to this ability the D-Flip Flops are used in time delay circuits, Sampling circuits and even as buffer circuits. So if you are looking for an IC for latching purpose or to act as a small programmable memory for your project then this IC might be the right choice for you. Using a Flip-Flop is pretty straight forward. Simply power the IC using the 7th and 14th pin. As told early each flip-flop operates independently, just connect the input signals 5 and 6 for using the 1st flip-flop and you will get the output at pins 1 and 2.

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Welcome, Guest. Please login or register. Did you miss your activation email? This topic This board Entire forum Google Bing. Print Search. StarquestMan Contributor Posts: 8. Hi I have always loved tearing apart electronics but have never got serious about learning about it and getting all of the necessary test gear ect until recently.

A while back I picked up a vintage Heathkit oscilloscope on craigslist along with a bunch of miscellaneous vintage components and parts.

In the parts I got I found an assembled circuit board that I have no clue what it is used for. I have done a lot of searching on Google with the little info I know about it which is just the markings on the board but have been unable to find any more info.

I saw one of Daves videos where he had a contest to have someone guess the use of a much more complicated board with success. I was wondering if anybody who knew more about electronics may be able to figure out its use many I have some sort of useful test gear hear who knows. As you can see I kind of screwed up the board adding little test polls now removed which caused some traces to peel up.

I will try to load up some more pictures. The board has two timers and two others which I will try to find datasheets for. All of the marker writing was done by me due to the traces peeling off of the board. It has the following terminals ac input, ground, in , and holes labeled a trough g.

Sorry I have to keep replying like this I don't have access to a computer so I'm doing all this on my phone. OK sorry to stretch this post out so long but I wanted to add on final picture of the back because the first one wasent very good, I'm totally new to the world of forums and posting and stuff.

Any reply's would be greatly appreciated because I am really curiose to know if this is something I can use I noticed that terminals b, c, and a are right next to each other like many they are for leads to test transistors I don't know just a wild guess and also I don't know if It is visible in the Picts but that strange logo is an elephant head with its trunk lifted I don't know of any brands using this logo? Also there is the number etched into the board probably a part number or something.

Pictures are too small. We want larger ones! You should reverse-engineer it and try to figure out its purpose from the schematic. Zero Super Contributor Posts: Country: Stonent Super Contributor Posts: Country:.

I found an import site that indicated the sk could be a voltage comparitor, but another site showed it as a 3 pin mosfet. The larger the government, the smaller the citizen. There was an error while thanking. SMF 2. EEVblog on Youtube.

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HCF4013BE Datasheet

For each IC there is a diagram showing the pin arrangement and brief notes explain the function of the pins where necessary. The notes also explain if the IC's properties differ substantially from the standard characteristics listed below. If you are using another reference please be aware that there is some variation in the terms used to describe input pins. I have tried to be logically consistent so the term I have used describes the pin's function when high true. For example 'disable clock' on the is often labelled 'clock enable' but this can be confusing because it enables the clock when low false. An input described as 'active low' is like this, it performs its function when low.

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Not all parts are created equal or equally, either. Although parts having the same part number made by different manufacturers were theoretically interchangeable, it didn't always turn out that way. Sometimes a part made by one manufacturer exceeded the common industry specification and, since it worked in the Prototype, the engineer might not realize he had under-designed the circuit and that parts made by other manufacturers wouldn't work. In some cases, as in capacitors, the actual construction of the parts can make a big difference in whether it works in the circuit. This was especially true in the Analog Vector Generator. There are characteristics like capacitance tolerance and how the capacitance varies with temperature that can also make a big difference in how much the part costs. The ICs made by other manufacturers were standard length and needed more space.

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