49.31 Frequency Meter AC Electrical Specifications
| AC Characteristics | Standard
Operating Conditions: VDD33 = VDDIO = AVDD = 1.9–3.6V (Unless Otherwise
Stated) Operating Temperature: -40°C ≤ TA ≤ +125°C for Extended Temperature | ||||||
|---|---|---|---|---|---|---|---|
| Parameter Number | Symbol | Characteristics(1) | Min. | Typical | Max. | Units | Conditions |
| FM_1 | FMLOW | REFI Input Low Time | 5 | — | — | ns | VDDIOx(minimum) and meet FM_5 spec |
| FM_3 | FMHIGH | REFI Input High Time | 5 | — | — | ns | |
| FM_5 | FMPERIOD | REFI Input Period | 1/64 MHz | — | — | ns | VDDIOx(minimum) |
| FM_7 | fGCLK_FREQM_REF | FREQM Reference | — | — | FCLK_17 | MHz | |
| FM_9 | fGCLK_FREQM_MSR | FREQM Measure | — | — | FCLK_15 | MHz | |
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Note:
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