| 摘要 |
A level converter circuit includes two p-channel MOSFETs and two n-channel MOSFETs of gate-grounded type which receive complementary signals from a logic circuit, p-channel cross-coupled FETs, and n-channel cross-coupled FETs. The two FETs constructing each cross-coupled FETs can be driven by complementary inputs by supplying an output of the logic circuit operated on a low voltage and a logically inverted output thereof to each cross-coupled FETs via the gate-grounded FETs, and as a result, the gain characteristic of the cross-coupled FETs can be enhanced. The level converter circuit with low power consumption which has large tolerance for the element characteristic and converts a logic level which is as low as approximately 0.5V to approximately 1V to 3V which is a normal logic level.
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