IS_…_INVERTED Attributes - IS_…_INVERTED Attributes - UG861

Spartan UltraScale+ FPGAs SelectIO Resources User Guide (UG861)

Document ID
UG861
Release Date
2026-04-28
Revision
1.1 English

Attributes of this format allow that signals with corresponding names are locally inverted. This means that the inversion of the signal happens inside the native component boundary without consuming any logic resources. An example of such a local inversion is shown in the following figure.

Figure 1. IS_RST_INVERTED Attribute