22.20.15 timer_set_maxdelay

Adds a maximum delay constraint to the specified path.

timer_set_maxdelay -from source_pin \
 -to destination_pin \
[-unit {value}] -delay delay value

Arguments

-from source_pin

Specifies the name of the source pin in the path.

-to destination_pin

Specifies the name of the destination pin in the path.

-unit {value}

Specifies whether the delay unit is in nanoseconds or picoseconds. The following table shows the acceptable values for this argument:

-delay delay_value

Specifies the actual delay value for the path.

Supported Families

All

Exceptions

For the ProASIC3/E, ProASIC ^PLUS, ProASIC, Axcelerator, SXS, SX-A, and ex families, Microchip recommends that you use the equivalent SDC command set_max_delay.

Examples The following example sets a maximum delay of 20 nanoseconds from register reg1 to output pin out1:

timer_set_maxdelay -from {reg1:CLK} to {outl} -unit {ns} -delay 20.00

See Also

timer get max

delay set_max_delay (SDC max path constraint)

Tcl documentation conventions