Output Drive Strength

UltraScale Architecture SelectIO Resources User Guide (UG571)

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1.14 English

For LVCMOS and LVTTL output buffers, the DRIVE attribute can be used to specify the load that the driver can safely drive to valid logic levels (in mA). The allowed values for the DRIVE attribute are shown in Table: HD I/O Supported Standards.

The DRIVE attribute uses the following syntax in the XDC file:

set_property DRIVE value [get_ports port_name]