| 摘要 |
PURPOSE:To reduce the power consumption by preventing a DC current from flowing to an area between the power supply terminals not only in case the input/output voltage is kept at a constant level but in a period when the constant state of said voltage is charged. CONSTITUTION:A CMOS contains a pMOSQ1 having its -2.5V threshold value and an nMOSQ2 having its +2.5V threshold value. When the input voltage Vi is lower than +2.5V, the pMOSQ1 and nMOSQ2 are turned on and off respectively and the output voltage V0 is approximate to +5V. While the pMOSQ1 and nMOSQ2 are turned off and on respectively if the voltage Vi is higher than +2.5V and the voltage V0 is approximate to the earth potential. Thus the function of a NOT gate is secured. |
