Datasheet

Artix-7 FPGAs Data Sheet: DC and AC Switching Characteristics
DS181 (v1.21) September 27, 2016 www.xilinx.com
Product Specification 4
n Temperature diode ideality factor – 1.010 – –
r Temperature diode series resistance – 2 – Ω
Notes:
1. Typical values are specified at nominal voltage, 25°C.
2. This measurement represents the die capacitance at the pad, not including the package.
3. Maximum value specified for worst case process at 25°C.
4. Termination resistance to a V
CCO
/2 level.
Table 4: V
IN
Maximum Allowed AC Voltage Overshoot and Undershoot for HR I/O Banks
(1)(2)
AC Voltage Overshoot % of UI @–55°C to 125°C AC Voltage Undershoot % of UI @–55°C to 125°C
V
CCO
+ 0.55 100
–0.40 100
–0.45 61.7
–0.50 25.8
–0.55 11.0
V
CCO
+ 0.60 46.6 –0.60 4.77
V
CCO
+ 0.65 21.2 –0.65 2.10
V
CCO
+ 0.70 9.75 –0.70 0.94
V
CCO
+ 0.75 4.55 –0.75 0.43
V
CCO
+ 0.80 2.15 –0.80 0.20
V
CCO
+ 0.85 1.02 –0.85 0.09
V
CCO
+ 0.90 0.49 –0.90 0.04
V
CCO
+ 0.95 0.24 –0.95 0.02
Notes:
1. A total of 200 mA per bank should not be exceeded.
2. The peak voltage of the overshoot or undershoot, and the duration above V
CCO
+ 0.20V or below GND – 0.20V, must not exceed the values
in this table.
Table 3: DC Characteristics Over Recommended Operating Conditions (Cont’d)
Symbol Description Min Typ
(1)
Max Units