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Hi,
We are using EP3C16E144C8N FPGA in our product, we are replacing it with EP3C16E144I7N. But none of the datasheet explains about "7".
C8 is replaced with I7.
C8 is commercial, 8 is not defined, datasheet explains 6 is fastest, is the 8 is more fastest or slowest.
And I7, I is industrial, but not on 7, what it represents fast or slow.
Also what is fast and slow, is that clock speed.
Is there any issue in replacing EP3C16E144C8N with EP3C16E144I7N.
Thanks & Regards,
M.Ramanan.
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Hi Ramanan,
Please refer the below screen shot from https://www.intel.com/content/dam/www/programmable/us/en/pdfs/literature/hb/cyc3/cyclone3_handbook.pdf?wapkw=cyclone%20III#page=24
C - Commercial Temperature grade
I - Industrial Temperature grade
6 - Fastest speed grade of the FPGA
7 - Slower than 6
8 - Slowest
Speed grade means that the FPGA with 6 can work at faster clock frequencies than 7 and 8.
Regards
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Thanks for the details.
Do you suggest EP3C16E144I7N is a replacement for EP3C16E144C8N or any other IC, we dont want have any hardware change and have pin to pin compatibility.
Thanks & Regards,
M.Ramanan.
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The two parts are pin to pin compatible. No hardware change required.

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