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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Remenber that te russian types are marked like this orange!

Ok, lets go to the Sketch 7414 made for my tester. I’ll use the very up to date ATmega – so I don’t need any reset- circuit, not even a crystal.

You only have to put in the test-IC. All are tested now. I got many hints from the Neonixies Gang that in some cases a defective may leak at the outputs.

This one I got dataxheet Jan: The ZM tube is driven with 2mA current.

SN Datasheet(PDF) – TI store

Truth Table for the, A and B Chip. I sat down and sketched a “super simple” driver- testing circuit to test them all. When the yellow LED lights up, it’s a good Please don’t ask me for chips.


The ones Fatasheet have I will use for my next projects. On the right side you also see 10 transistors which only have the job to drive the LEDs and the inputs of the controller. The ATmega is totally cool!!!

When holding the button for longer than one second you come back to the free- running mode.

Nixie driver ICs 74141

Check the different truth- charts!!! My friend did the coding this time had little time The russian types have high “off” voltage approx Vso the efficiency is much better, and the “Blue Dqtasheet problem can not occur e.

I had to change my circuit to this second revision, that works with a ZM. It’s so simple, that there is nearly nothing to explain.

Nixie tubes tube Driver IC

I also have russian types and “unknown” of which I have no idea if they are or I never took used for my project, so I haven’t thought about that this also can happen. I will use it for all my clocks in the next future because you need no other parts around it! My other projects took away a lot of 74114, so I decided to give it to a friend of mine to do the coding.


I also found out what I wrote above in the section about the russian tubes. The button switch switches between the different test modes I’ll explain later and finally the 3 Adtasheet show the test results. When the green LED lights up, it’s a good So I added a IC.

Truth Table for theand A Chip. Moreover I have a good control with the tube whether the test- IC really works. The russian types are either orhigh serial numbers arelow serial numbers are I really find some old which don’t work or leak.

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.