| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a level shift circuit that can easily convert a low amplitude signal into a high amplitude signal. <P>SOLUTION: The level shift circuit includes: NMOS transistors M1, M2 connected between a power terminal E1 and output nodes 3, 4, respectively, and receiving low amplitude input signals at control terminals, respectively; PMOS transistors M3, M4 connected between a power terminal E2 and the output nodes 3, 4, respectively; a PMOS transistor M5 connected between a gate of the PMOS transistor M3 and the output node 4 and connected at a gate to the output node 3; a PMOS transistor M6 connected between a gate of the PMOS transistor M4 and the output node 3 and connected at a gate to the output node 4; a load element 11 operative to change a gate voltage in a direction to turn off the PMOS transistor M3; and a load element 12 operative to change a gate voltage in a direction to turn off the PMOS transistor M4. <P>COPYRIGHT: (C)2012,JPO&INPIT |
