10-7 Metal-Oxide Semiconductor （ MOS ）  Field-Effect Transistor （ FET ） Unipolar transistor Depend on the flow of only one type of carrier JFET, MOS 

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Presentation transcript:

10-7 Metal-Oxide Semiconductor （ MOS ）  Field-Effect Transistor （ FET ） Unipolar transistor Depend on the flow of only one type of carrier JFET, MOS  See Fig for basic structure of MOS

Fig Basic structure

Fig Symbols for MOS Transistor

Fig n-channel MOS logic

10-8 Complementary MOS （ CMOS ）  CMOS — consists of NMOS and PMOS  Inverter is the basic circuit Fig (a)

Fig CMOS logic circuits

Fig CMOS inverter

10-9 MOS transmission gate  transmission gate is a special CMOS circuit Can ’ t be implemented by other logic families Controlled switch Simplifying various digital components when using CMOS fabrication  Fig (a) is a basic circuit of transmission gate Parallel connection of a NMOS and a PMOS

Fig Transmission gate

Fig Bilateral switch

Fig XOR by transmission gate

Fig Multiplexer with transmission gate

Fig D latch with tranmission gates