In Vivado 2021.1 there were device model changes for certain devices listed in the table below. This affects the calculations in Vivado timing to build data paths.
Previous versions of Vivado could under report data path delays resulting in an incorrectly clean timing result.
| Device | Vivado 2020.2 | Vivado 2020.2.1 | Vivado 2020.2.2 | Vivado 2020.3 | 2021.1 onwards |
|---|---|---|---|---|---|
| VU23P | NA | NA | Requires Patch | * Versal only release | No patch required |
| XCKU19P | NA | NA | Requires Patch | * Versal only release | No patch required |
| XCZU43DR | Requires Patch | Requires Patch | Requires Patch | * Versal only release | No patch required |
| XCZU46DR | Requires Patch | Requires Patch | Requires Patch | * Versal only release | No patch required |
| XCZU47DR | Requires Patch | Requires Patch | Requires Patch | * Versal only release | No patch required |
| XCZU48DR | Requires Patch | Requires Patch | Requires Patch | * Versal only release | No patch required |
| XCZU49DR | Requires Patch | Requires Patch | Requires Patch | * Versal only release | No patch required |
| XQZU48DR | NA | NA | Requires Patch | * Versal only release | No patch required |
| XQZU49DR | NA | NA | Requires Patch | * Versal only release | No patch required |
| XCVU23P_civ | NA | NA | Requires Patch | * Versal only release | No patch required |
| XCU26 | Requires Patch | Requires Patch | Requires Patch | * Versal only release | No patch required |
NA = Device not in production in this release.