Non-volatile latch circuit, the non-volatile flip-flop circuit and a non-volatile signal processing equipment

摘要

Nonvolatile latch circuit of the present invention (100), the output ends of cross-coupled inverters circuits (20) and an inverter circuit (21), the transistor (6), the resistance variable element (1), the transistor (7) is connected via a series circuit composed of the sequence, and adds the latching portion, the potential across the resistance variable element (1) that the control terminals of the transistors (6 and 7) and restores and stores the latched state is controlled provided was amount comparison circuit for comparing the logic state of the signal and the latch operation unit amplifies (23), until indicates that the output is normal write comparator circuit (23) has been executed, the variable resistance element ( It repeats writing and reading to 1).