| 摘要 |
PROBLEM TO BE SOLVED: To provide a level shift circuit capable of eliminating the need for an internal power source, thereby reducing the manufacturing cost. SOLUTION: The level shift circuit 502 comprises: two transistors MP1, MP2; a resistor R511 connected between a drain and a source of the transistor MP2; a resistor R512 connected between a drain and a source of the transistor MP1; a capacitor C 511 whose one end is connected to the drain of the transistor MP2 and whose other end receives a high level signal or a low level signal; a capacitor C 512 whose one end is connected to the drain of the transistor MP1 and whose other end receives a high level signal or a low level signal; and the circuit 502 is configured such that each source of the transistors MP1, MP2 is connected to a positive power supply VPP+, and each gate of one of the transistors MP1, MP2 is connected to each drain of the other of the transistors MP1, MP2. COPYRIGHT: (C)2007,JPO&INPIT
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