Package Parameter Guidelines

Artix UltraScale+ FPGA Data Sheet: DC and AC Switching Characteristics (DS931)

Document ID
DS931
Release Date
2022-04-13
Revision
1.2 English

The parameters in this section provide the necessary values for calculating timing budgets for clock transmitter and receiver data-valid windows.

Table 1. Package Skew
Symbol Description Device Package Value Units
PKGSKEW Package Skew 1, 2 XCAU10P UBVA368 59 ps
SBVB484 87 ps
FFVB676 81 ps
XCAU15P UBVA368 59 ps
SBVB484 87 ps
FFVB676 81 ps
XCAU20P FFVB676 69 ps
SFVB784 75 ps
XCAU25P FFVB676 69 ps
SFVB784 75 ps
  1. These values represent the worst-case skew between any two SelectIO resources in the package: shortest delay to longest delay from die pad to ball.
  2. Package delay information is available for these device/package combinations. This information can be used to deskew the package.