Lab 6 - EE 421L 

Authored by Biruk Gebremeskel

Email: gebreb1@unlv.nevada.edu

October 24, 2018

  

Lab description:

The purpose  of this lab was to design, layout, and simulate CMOS NAND and XOR gates and a Full Adder.

Pre-Lab Work:

All previous labs have been backed up in Dropbox.

Finished Tutorial 4

Lab Work

Exercise-1:

Design, layout,DRC, extract, and LVS a 2-input NAND gate

2-input NAND gate Schematic
http://cmosedu.com/jbaker/courses/ee421L/f18/students/gebreb1/lab6/NAND%20Schematic.JPG

2-input  NAND gate Symbol
http://cmosedu.com/jbaker/courses/ee421L/f18/students/gebreb1/lab6/NAND%20Symbol.JPG
2-input NAND gate layout
http://cmosedu.com/jbaker/courses/ee421L/f18/students/gebreb1/lab6/NAND%20Layout.JPG
2-input  NAND gate Extracted
http://cmosedu.com/jbaker/courses/ee421L/f18/students/gebreb1/lab6/NAND%20Extracted.JPG
2-input  NAND gate DRC
http://cmosedu.com/jbaker/courses/ee421L/f18/students/gebreb1/lab6/NAND%20DRC.JPG
2-input  NAND gate LVS
http://cmosedu.com/jbaker/courses/ee421L/f18/students/gebreb1/lab6/NAND%20LVS.JPG
.

 

Exercise-2:

Design, layout,DRC, extract, and LVS a 2-input XOR gate

2- input XOR Schematic
http://cmosedu.com/jbaker/courses/ee421L/f18/students/gebreb1/lab6/XOR%20Schematic.JPG
2-input XOR Symbol
http://cmosedu.com/jbaker/courses/ee421L/f18/students/gebreb1/lab6/XOR%20Symbol.JPG
2-input XOR layout
http://cmosedu.com/jbaker/courses/ee421L/f18/students/gebreb1/lab6/XOR%20Layout.JPG
2-input XOR Extracted
http://cmosedu.com/jbaker/courses/ee421L/f18/students/gebreb1/lab6/XOR%20Extracted.JPG
2-input XOR DRC
http://cmosedu.com/jbaker/courses/ee421L/f18/students/gebreb1/lab6/XOR%20DRC.JPG
2-input XOR LVS
http://cmosedu.com/jbaker/courses/ee421L/f18/students/gebreb1/lab6/XOR%20LVS.JPG

Exercise -3:

Simulations of NAND gate, XOR gate, and Inverter

NAND gate, XOR gate, and Inverter Schematic
http://cmosedu.com/jbaker/courses/ee421L/f18/students/gebreb1/lab6/Schematic_INV_NAN_XOR.JPG
NAND gate, XOR gate, and Inverter Simulation
http://cmosedu.com/jbaker/courses/ee421L/f18/students/gebreb1/lab6/Sim_INV_NAN_XOR.JPG

Truth Table for NAND gate and XOR gate

ABA nand BA xor B
0010
0111
1011
1100


Exercise -4 Full Adder:
Full Adder Schematic
http://cmosedu.com/jbaker/courses/ee421L/f18/students/gebreb1/lab6/Full%20Adder%20Schematic.JPG

Full Adder Layout

http://cmosedu.com/jbaker/courses/ee421L/f18/students/gebreb1/lab6/Full%20Adder%20Layout.JPG

Full Adder Extracted

http://cmosedu.com/jbaker/courses/ee421L/f18/students/gebreb1/lab6/Full%20Adder%20Extracted.JPG

Full Adder DRC
http://cmosedu.com/jbaker/courses/ee421L/f18/students/gebreb1/lab6/Full%20Adder%20DRC.JPG
Full Adder LVS
http://cmosedu.com/jbaker/courses/ee421L/f18/students/gebreb1/lab6/Full%20Adder%20LVS.JPG

Full Adder Truth Table

ABCinSCout
00000
00110
01010
01101
10010
10101
11001
11111

Full Adder Simulation
http://cmosedu.com/jbaker/courses/ee421L/f18/students/gebreb1/lab6/Full%20Adder%20Simulations.JPG