tutorial4_4

tutorial4_4 - 1 Outline : • Special technique on hardware...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: 1 Outline : • Special technique on hardware lab • More on MOS • Example on Boolean Algebra Elec Elec Elec Elec Elec Elec Elec Elec 151 Tutorial #4 151 Tutorial #4 151 Tutorial #4 151 Tutorial #4 151 Tutorial #4 151 Tutorial #4 151 Tutorial #4 151 Tutorial #4 Special Technique on the Hardware Lab p-n Junction s A junction between p-type and n-type semiconductor forms a diode s Current flows only in one direction anode cathode P N nMOS Transistor s Four terminals: gate (G), source (S), drain (D), body (B) s Gate–oxide–body stack looks like a capacitor s Gate and body are conductors s SiO 2 (oxide) is a very good insulator s Called metal – oxide – semiconductor (MOS) capacitor nMOS Operation s Body is usually tied to ground (0 V) s When the gate is at a low voltage s P-type body is at low voltage s Source-body and drain-body diodes are OFF s No current flows, transistor is OFF nMOS Operation (2/2) s When the gate is at a high voltage s Positive charge on gate of MOS capacitor...
View Full Document

Page1 / 4

tutorial4_4 - 1 Outline : • Special technique on hardware...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online