VIN Maximum Allowed AC Voltage Overshoot and Undershoot

Virtex UltraScale+ FPGA Data Sheet: DC and AC Switching Characteristics (DS923)
Document ID
DS923
Release Date
2024-08-09
Revision
1.20 English
Table 1. VIN Maximum Allowed AC Voltage Overshoot and Undershoot for HD I/O Banks
AC Voltage Overshoot 1 % of UI 2 at –40°C to 100°C AC Voltage Undershoot 1 % of UI 2 at –40°C to 100°C
VCCO + 0.30 100% –0.30 100%
VCCO + 0.35 100% –0.35 90%
VCCO + 0.40 100% –0.40 78%
VCCO + 0.45 100% –0.45 40%
VCCO + 0.50 100% –0.50 24%
VCCO + 0.55 100% –0.55 18.0%
VCCO + 0.60 100% –0.60 13.0%
VCCO + 0.65 100% –0.65 10.8%
VCCO + 0.70 92% –0.70 9.0%
VCCO + 0.75 92% –0.75 7.0%
VCCO + 0.80 92% –0.80 6.0%
VCCO + 0.85 92% –0.85 5.0%
VCCO + 0.90 92% –0.90 4.0%
VCCO + 0.95 92% –0.95 2.5%
  1. A total of 200 mA per bank should not be exceeded.
  2. For UI smaller than 20 µs.
  3. For the -1M devices, the temperature limits are –55°C to 125°C.
Table 2. VIN Maximum Allowed AC Voltage Overshoot and Undershoot for HP I/O Banks
AC Voltage Overshoot 1 % of UI 2 at –40°C to 100°C AC Voltage Undershoot 1 % of UI 2 at –40°C to 100°C
VCCO + 0.30 100% –0.30 100%
VCCO + 0.35 100% –0.35 100%
VCCO + 0.40 92% –0.40 92%
VCCO + 0.45 50% –0.45 50%
VCCO + 0.50 20% –0.50 20%
VCCO + 0.55 10% –0.55 10%
VCCO + 0.60 6% –0.60 6%
VCCO + 0.65 2% –0.65 2%
VCCO + 0.70 2% –0.70 2%
  1. A total of 200 mA per bank should not be exceeded.
  2. For UI smaller than 20 µs.
  3. For the -1M devices, the temperature limits are –55°C to 125°C.