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一、引言CMOS电路是将P沟道及N沟道两个极性相反的MOS管做在一块电路中,称为互补MOS电路,它不仅速度高,且静态功耗极低,因为在它的工作状态中总有一个管子处于截止,这就是CMOS电路被用于手表电路的主要原因。但是CMOS电路比较P MOS或N MOS电路工艺要复杂,特别是用于手表电路中时,工作电压要求在小于1.5伏,这就要求CMOS电路的P沟道阀值电压V_(TP)和N沟MOS管的阀值电压V_(TN)之和即V_(TP)+V_(TN)
I. INTRODUCTION CMOS circuit is the P channel and N channel two opposite polarity MOS tube in a circuit called complementary MOS circuit, it is not only high speed, and the static power consumption is very low, because in its There is always a pipe in the working state is deadline, which is the main reason that CMOS circuits are used in watch circuits. However, CMOS circuits are complicated to compare with P MOS or N MOS circuits. Especially when used in watch circuits, the operating voltage requirement is less than 1.5V. This requires that the P-channel threshold voltage V_ (TP) of the CMOS circuit and the N-channel MOS tube threshold voltage V_ (TN) and the sum of V_ (TP) + V_ (TN)