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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On the right side you also see 10 transistors which only have the job to drive the LEDs and dztasheet inputs of the controller. I had to change my circuit to this second revision, that works with a ZM. I will use it for all my clocks in the next future because you need no other parts around it! I also found out what I wrote above in the section about the russian tubes. All are tested now.

Please don’t ask me for chips.

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.


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. You only have to put in the test-IC.

Ok, lets go to the Sketch I made for my tester. When holding the button for longer than one second you come back to the free- running mode.

Nixie tubes tube Driver IC

Truth Table for the, A and B Chip. So I added a IC. When the green LED lights up, it’s a good The russian types are either orhigh serial numbers arelow serial numbers are I got many hints from the Neonixies Gang that in some cases a defective may leak at the outputs.

Remenber that te russian types are marked like this orange! Dztasheet other projects took away a lot of time, so I decided to give it to a friend of mine to do the coding. Moreover I have a good control with the tube whether the test- IC really works.

74141 Datasheet

Truth Table for theand A Chip. I’ll use the very up to date ATmega – so I don’t need any reset- circuit, not datashwet a crystal. It’s so simple, that there is nearly nothing to explain. My friend did the coding this time had little time This one I got from Jan: The button switch switches between the different test modes I’ll explain later and finally dwtasheet 3 LEDs show the test results.


Nixie driver ICs 74141

The ZM tube is driven with 2mA current. The ones I have I will use for my next projects. The ATmega is totally cool!!! I also have russian types and “unknown” of which I have no idea if they are or Check the different truth- charts!!!

When the yellow LED lights up, it’s a good The russian types have high “off” voltage approx Vso the efficiency is much better, and the “Blue Spot” problem can not occur e. I really find some old which don’t work or leak.