http://www.w3.org/ns/prov#value | - The voltage maintenance means 110 includes a function for maintaining the voltage of the Vcc terminal at 4.5 V or higher for a certain time (e.g. approx. 1 ms) when the voltage of the Vcc power supply (normally, 5 V) lowers to a specified value or less such as 4.5 V or lower.
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