What is the difference between 5M160ZE64A5N and A4N? Can’t see anything when I do a comparison and the Intel datasheets don’t provide a part number scheme.
The difference should be speed grade 4 vs 5. 4 being faster.
Per Intel’s site-- Intel MAX and Classic devices use the speed grade to indicate the delay in nanoseconds (ns) through a macrocell in the device. For example, a MAX device with a -10 speed grade has a delay of 10 ns through a macrocell. Devices with low speed grade numbers run faster than devices with high speed grade numbers.
Please see the ordering code format here FPGA Device Part Numbers - Intel® FPGA.
Specifically, from the Max V handbook:
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