Just one other thing - if anyone DOES try running these current generation Supertex chips at 5V rather than 12V, it is very likely that they will only do so at a somewhat lower clock speed. Don't expect to pump 8MHz into them at these low voltages!
LW On May 29, 10:13 pm, "kosbo.com" <[email protected]> wrote: > How busy we are! it takes over 2 months to get first reply on my > post... ;-) > > CPLD is good and for sure you can make bits registers there easily, > but I have not seen any CPLD , which could manage 250v outputs and up > to 1.5A total ground current ... > > I have got a few HV7022 samples and making prototype now, where I hope > to use just chip outputs to control both nixie tubes anodes and > cathodes. > I hope I can control it with just standard TTL 5V levels, as absolute > supply maximum voltage range for Vdd is -0.3 to +15V, so 5v is good > enough within this range... > I'll let you know first test results within a few days... > > Best regards, Konstantinwww.kosbo.com > > On 27 May, 07:22, Robert Sexton <[email protected]> wrote: > > > > > > > > > Thats an interesting device, but it looks like it wants 12V control logic. > > You can build a 60-bit shift register from a CPLD for about $3. -- You received this message because you are subscribed to the Google Groups "neonixie-l" group. To post to this group, send an email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/neonixie-l?hl=en-GB.
