51.33 Frequency Meter (FREQM) Electrical Specifications

Table 51-47. Frequency Meter AC Electrical Specifications
AC CHARACTERISTICSStandard Operating Conditions: VDDREG=VDDIO=AVDD 1.71V to 3.63V (unless otherwise stated)

Operating temperature:

-40°C ≤ TA ≤ +85°C for Industrial

Param. No.SymbolCharacteristicsMin.Typ.Max.UnitsConditions
FM_1FMLOWGCLK_IOx Input Low TimeFMPERIOD/2nsVDDIOx(min) and meet FM5 spec
FM_3FMHIGHGCLK_IOx Input High TimeFMPERIOD/2ns
FM_5FMPERIODGCLK_IOx Input Period1000/FCLK_45nsVDDIOx(min)
FM_7fGCLK_FREQM_REFFREQM ReferenceFCLK_17MHz
FM_9fGCLK_FREQM_MSRFREQM MeasureFCLK_15MHz