The following table shows which families support this constraint and which file formats and tools you can use to enter or modify it:
Families |
SDC |
GCF |
Timer/SmartTime |
Fusion |
X |
|
X |
ProASIC3E |
X |
|
X |
ProASIC3 |
X |
|
X |
ProASIC PLUS |
X |
|
X |
Axcelerator |
X |
|
X |
ProASIC |
X* |
X** |
X |
eX |
X* |
|
X |
SX-A |
X* |
|
X |
SX |
|
|
|
MX |
|
|
|
3200DX |
|
|
|
ACT3 |
|
|
|
ACT2/1200XL |
|
|
|
ACT1 |
|
|
|
(*) Supported for analysis only.
(**) Supported for layout only.
Use this constraint to set the output delay of an output relative to a clock.
You can use one or more of the following methods to set output delay constraints:
SDC - set_output_delay
SmartTime - Specifying output delay constraint