220.127.116.11. Input and Output Delays
|Relationship Between tCO and the Output Delay|
|tCO = clock period – external output delay|
|Relationship Between tSU and the Input Delay|
|tSU = clock period – external input delay|
When the syn_forward_io_constraints attribute is set to 1, the Synplify software passes the external input and output delays to the Intel® Quartus® Prime software using NativeLink integration. The Intel® Quartus® Prime software then uses the external delays to calculate the maximum system frequency.
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