Forum Discussion

Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
11 years ago

Altera 5CGXFC3B7U15C8N delay time of a single cell?

Hello, I am quite now in the world of the FPGAs. I would like to ask what is the delay time of a single inverter of an Altera 5CGXFC3B7U15C8N FPGA! I am trying to find some information in...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
11 years ago

There are luts that can be used for inverters, or any other gates.

But your ring oscilator is not going to be very reliable on an fpga - it will be highly affected P&R and PVT. You can hand control the placement to get a reasonable level of control, but temperature will just affect the output/