COMP541 Transistors and all that… a brief overview. Montek Singh Sep 8, 2014. Transistors as switches. At an abstract level, transistors are merely switches 3-ported voltage-controlled switch n-type: conduct when control input is 1 p-type: conduct when control input is 0.
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COMP541Transistors and all that…a brief overview
Sep 8, 2014
Figure 1.26 Silicon lattice and dopant atoms
Figure 1.29 nMOS and pMOS transistors
Figure 1.30 nMOS transistor operation
Pdynamic = ½CVDD2f
Pstatic = IDDVDD
P = ½CVDD2f + IDDVDD
=½(20 nF)(1.2 V)2(1 GHz) +
(20 mA)(1.2 V)
= 14.4 W