I also have some data- sheets for the different types: Block Diagram for This one I got from Jan: Ok, lets go to the Sketch I made for my. Category. Description, Bcd-to-decimal Decoder/driver. Company, Texas Instruments, Inc. Datasheet, Download SN datasheet. Quote. Find where to buy. Simplifies driving Nixie tubes. Brand new Russian ICs, U.S. equivalents with overrange digit blanking. ENGLISH DATASHEET: DATASHEET PAGE 1.

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The ATmega dayasheet totally cool!!! My friend did the coding this time had little time All are tested now. You only have to put in the test-IC.

Truth Table for the, A and B Xatasheet. On the right side you also see 10 transistors which only have the job to drive the LEDs and the inputs of the controller.

SN Datasheet(PDF) – TI store

When holding the button for longer than one second you come back to the free- running mode. My other projects took away a lot of time, so I decided to give it to a friend of mine to do the coding.


When the yellow LED lights up, it’s a good I never took used for my project, so I haven’t thought about that this also can happen. I sat down and sketched a “super simple” driver- testing circuit to test them all.

So I added a IC. Moreover I have a good control with the tube whether the test- IC really works. I also found out what I wrote above in the section about the russian tubes.

I got many hints from the Neonixies Gang that in some cases a defective may leak at the outputs. The ZM tube is driven with 2mA current.

This one I got from Jan: The russian types have high “off” voltage approx Vso the efficiency is 74114 better, and the “Blue Spot” problem can not occur e. I will use it for all my clocks in the next future because you need no other parts around it!

Truth Table for theand A Chip. The V plus tube and resistors with the voltage dividers make it possible to detect a too high leakage current in case the IC is defective. It’s so simple, that there is nearly nothing to explain. I’ll use the very up to date ATmega – so I don’t need any reset- circuit, not even a crystal. Check the different truth- charts!!!


Nixie tubes tube Driver IC

Ok, lets go to the Sketch I made for my tester. I also have russian types and “unknown” of which I have no idea if they are or I had to change my circuit to this second revision, that works with a ZM. Remenber that te russian types are marked like this orange! The russian types are either orhigh serial numbers arelow serial numbers are The button switch switches between the different test modes I’ll explain later and finally the 3 LEDs show the test results.

Nixie driver ICs 74141

Please don’t ask me for chips. I really find some old which don’t work or leak.

The ones I have I will use for my next projects. When the green LED lights up, it’s a good

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