Memory circuit with memory cells having bistable circuit and non-volatile element

An electronic circuit comprising:

• a cell array including memory cells, each of the memory cells including a bistable circuit that stores data in a volatile manner, and a non-volatile element that stores the data stored in the bistable circuit in a non-volatile manner and restores the data stored in a non-volatile manner to the bistable circuit;
• and
• a control circuit configured to power off one or more first memory cells, which store, in a volatile manner, data that are not required to be stored in a non-volatile manner, among the memory cells regardless of whether the one or more first memory cells are rewritten in a volatile manner when powering off the cell array, and after powering off the one or more first memory cells, perform a store operation that stores, in the non-volatile element, the data stored in the bistable circuit in a volatile manner in remaining one or more second memory cells of the memory cells, and then power off the one or more second memory cells.