A search for fluorescent display drivers
http://www.google.com/search?q=fluorescent+display+drivers
http://www.google.com/search?q=vfd+drivers

Brings up several, such as these from allegro:
http://www.allegromicro.com/en/products/Categories/ICs/vfdisplaydriver.asp

Other companies offering such drivers are Maxim, Oki, ST, ...

Many (if not most) are now using spi or similar rather than a pin per
output.  If you really need pin per output, then you may have to build
your own transistor circuits.  This is likely going to be the least
expensive option anyway.  None of these drivers are under $0.10 per
output.

-Adam

On 4/17/07, Russell McMahon <apptech@paradise.net.nz> wrote:
> Can anyone recommend available and reasonably priced high voltage
> driver ICs such as were originally used for eg vacuum fluorescent
> driving applications.
>
> UDN6118A, UDN6128A are two such with 8 drivers/IC, pinout similar to
> ULN280x family but with 80V capability. Also, (and irrelevantly to the
> main query) unlike the ULN280X and ULN200x which are open collector
> inverting these are non inverting with passive output pull down and
> NPN emitter follower outputs.
>
> However, these are 'hard to find' (not impossible) and have  a nasty
> price tag when they are available. I presume (possibly forlornly) that
> there is  a somewhat more available and better priced alternative.
> (UDN6118A are available here for ~$NZ9.50/$US7 retail falling to about
> $NZ5 / $US3.50 in 25's trade.
>
> The number of drives per IC, whether inverting or non inverting and
> even actual drive topology are not crucial. Failing the availability
> of a suitable IC one could use any low voltage driver and discrete
> high voltage transistors (perhaps even arrays thereof) but an
> integrated solution would be desirable.
>
>
>
>         Russell
>
>
>
>
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