ESD Protect for 4 high-speed I/O lines and one VDD line Provide ESD protection for each line to
IEC 61000-4-2,(ESD) ±27kV (air), ±16kV (contact) IEC 61000-4-4 (EFT) Level-3, 55A (5/50ns) IEC 61000-4-5 (Lightning) 6A (8/20µs)
For low operating voltage...