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Altera_Forum
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18 years ago

Linking of two FPGA

Hi all, I'm a student of Engineering of Telecommunications.In my thesys I must realize a digital circuit on FPGA,but I can't make it all on the same FPGA board,because of occupation of resources.S...
Altera_Forum's avatar
Altera_Forum
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17 years ago

Question: There was a general rule that electrical signals take 1ns to travel 15cm... But why interconnect time reported in Quartus typically in around 5ns..sometimes even more? arent the interconnects in micrometers? i am worried because i am using ribbon cables to send data to a second board.. and common sense tell me their propagation time will be much more than the time taken between LE interconnects in FPGA.