On 4/25/2016 7:41 AM, Hegedűs István wrote: > XC9500XL devices are 5V tolerant and pins can be configured for LVTTL. > As output the LVTTL levels are enough to drive 5V logic TTL devices > while the input of the CPLD is 5v tolerant. It can be used for the old > 8 bit projects just make sure the CPLD gets proper Vcc (3.3v). > Istvan I regularly use XL devices (144 and 72 macrocell devices, but my point was that the non XL products are no longer produced. As others have noted, sources like utsource and a few others allow me to procure those 5V products, but they are climbing in price and there is a dwindling supply. Jim > *From:* Jim Brain <mailto:firstname.lastname@example.org> > *Sent:* Friday, April 22, 2016 11:07 PM > *To:* Michał Pleban <mailto:email@example.com> ; > firstname.lastname@example.org <mailto:email@example.com> > *Subject:* Re: CPLDs/FPGAs toolchain > > Well, I know Xilinx has 5V tolerant parts still in production, but I > don't think either offer 5V logic anymore. > > jim > >> On April 22, 2016 at 4:22 PM Michał Pleban <firstname.lastname@example.org> wrote: >> >> >> Hello! >> >> email@example.com wrote: >> >>> What do you guys use for developing your CPLDs and FPGAs? Do you use >>> the supplier provided tools or some free / GNU positions worth >>> having a closer look at? >>> >> I am working with Atmel CPLDs so I use their WinCUPL software which is >> free. However, I am getting more and more tired of the bugs in it so I >> am contemplating switching to Xilinx or Altera if they still have 5V >> parts available. >> >> Regards, >> Michau. >> >> >> >> Message was sent through the cbm-hackers mailing list >> > Message was sent through the cbm-hackers mailing list -- Jim Brain firstname.lastname@example.org www.jbrain.com Message was sent through the cbm-hackers mailing listReceived on 2016-04-25 15:00:02
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