STM32W108C8

STM32W108C8
Electrical characteristics
Table 147.
Low-frequency RC oscillator characteristics (continued)
Parameter Test conditions Min. Typ. Max. Unit
Supply dependence
Frequency dependence
For a voltage drop from 3.6 V
to 3.1 V or 2.6 V to 2.1 V
(without re-calibration)
Frequency variation with
temperature for a change
from -40 oC to +85oC
(without re-calibration)
– – 1 %
– 2 – %
14.5.4 Low frequency external clock characteristics
Table 148.
Low-frequency crystal oscillator characteristics
Parameter Test conditions Min. Typ. Max. Unit
Frequency – – 32.768 – kHz
Accuracy
Initial, temperature, and
ageing
-100 – +100 ppm
Load cap xin – – 27 – pF
Load cap xout – – 18 – pF
Crystal ESR – – – 100 kΩ
Start-up time – – – 2 s
Current consumption At 25°C, VDD_PADS = 3.0 V – – 0.5 µA
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