picking the right CPLD/FPGA

I have an automotive project that I'd like to use a CPLD or FPGA in. My inputs and outputs are all 5 volt and I would like to keep the temperature range from -40 to 100 deg C. None of the choices at this "industrial" temp level are DIP and none of the development boards list their temperature range.

What is a good choice for a hobbiest at these temp levels?

Thank you,
Frank

Replies

  • arga
    arga
    I'm adding a little more info in case anyone else searches on this.

    I have a Xilinx Spartan II chip in 208 pin PQFP format. I heard there were sockets available that convert it to through-hole. There are but they are really expensive and I would still need another socket for a PROM. I've used Xilinx's WebPack tools and I really like them.

    Digilent makes small proto-boards I like called CMODs with various Xilinx CPLDs on them. The board fits into a 40 pin DIP socket. As far as I can tell, they don't come in industrial temp, though.

    Altera's EPM3032ATI44-10N is a good chip and it's available in my temp range. It's a 3.3V chip but I believe it will handle 5V inputs. For those familiar with Megasquirt fuel injection, this is the chip they are using on the new sequencer board. I haven't tried Altera's programming tools but I've heard good things about them.

    Finially, Atmel makes a CPLD in DIP, the ATF750C-10PU. It's 5V and it's available in -40 to 85 degree C, which would be acceptable. Their SW tools are free but I'm completely lost using them. I admit I'm out of my area of expertise but even our top EE at work stays away from their CPLDs because of their tools. (He likes their microprocessors, though.)

    Frank

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