35.10.4 External Clock

Figure 35-2. External Clock Waveform
Table 35-13. External Clock Specifications
SymbolDescriptionMin.Typ. ✝Max.UnitConditions
fCLCLClock frequency20MHz
TCLCLClock period50ns
tCHCXHigh time 40%
tCLCXLow time 40%
ΔTCLCLChange in period from cycle to cycle time 20%

Data in the “Typ.” column is at TA = 25°C and VDD = 3.0V unless otherwise specified. These parameters are not tested and are for design guidance only.