Transcript Slide 1

Design and Implementation of VLSI Systems
(EN0160)
lecture03
Sherief Reda
Division of Engineering, Brown University
Spring 2008
[sources: Weste/Addison Wesley – Rabaey Pearson]
Recap
nMOS
Source
Gate
n+
pMOS
n+
p
Source
Drain
bulk Si
Polysilicon
Polysilicon
SiO2
SiO2
Gate
p+
Drain
p+
n
bulk Si
3-input NANDs
Series-Parallel Combinations
What are the transistor schematics of the
NOR gate?
And-Or-Inverter (AOI) gate
Transmission gate
Tri-state inverter
Multiplexer (MUX)
Latch design
Flip-flop (edge triggered) design
Summary
• Introduction to VLSI systems and the semiconductor industry
• Basic overview of pn junctions and MOS transistors
• Designing digital logic gates using transistors
• HW1 is out and the due date is Wednesday February 6