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Spectrum's avatar
Spectrum
Icon for New Contributor rankNew Contributor
4 years ago

A Substitute/Replacement CPLD p/n 5M40ZE64C5N ???

Intel/Altera CPLD part number 5M40ZE64C5N, I need quantity 210 ASAP for production units. The lead time on this and other similar CPLDs have a long lead time. Are you able to suggest a similar ...
ak6dn's avatar
ak6dn
Icon for Regular Contributor rankRegular Contributor
3 years ago

Easy.

Speed grade 4 is faster than speed grade 5.

C range temp is narrower than I range temp.

So a C4 timing spec device over 0'C to 85'C can also meet I5 timing spec over -40'C to 100'C.

So a dual marked C4/I5 device is certainly possible.

  • GD500's avatar
    GD500
    Icon for New Contributor rankNew Contributor
    3 years ago

    Yeah, I figured it out a little later on. I had the 4 and 5 speeds backwards. The brain wanted to believe the 5 was faster.