use cmos transistors to bit a 4-bit adder. nand2 symbol schematic

Use CMOS Transistors to bit a 4-bit Adder

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Use CMOS Transistors to bit a 4-bit Adder

NAND2

symbol

Schematic

Implementation of a Full Adder (ES210)

(carry-in)

Page 4: Use CMOS Transistors to bit a 4-bit Adder. NAND2 symbol Schematic

Full Adder

• 2 Half Adder– XOR– AND

• OR

Page 5: Use CMOS Transistors to bit a 4-bit Adder. NAND2 symbol Schematic

NAND-Based XOR Gate

schematic symbol

Page 6: Use CMOS Transistors to bit a 4-bit Adder. NAND2 symbol Schematic

NAND-Based AND Gate

schematic symbol

Page 7: Use CMOS Transistors to bit a 4-bit Adder. NAND2 symbol Schematic

NAND-Based OR Gate

schematic symbol

Page 8: Use CMOS Transistors to bit a 4-bit Adder. NAND2 symbol Schematic

Full AdderSymbol

Page 9: Use CMOS Transistors to bit a 4-bit Adder. NAND2 symbol Schematic

Test Bench For the Adder

Page 10: Use CMOS Transistors to bit a 4-bit Adder. NAND2 symbol Schematic

Waveforms of the Full Adder

Page 11: Use CMOS Transistors to bit a 4-bit Adder. NAND2 symbol Schematic

Four-Bit Adder

C4 is calculated last because it takes C0 8 gates to reach C4.Each FA uses 2 XOR, 2 AND and 1 OR gate.A four-bit adder uses 8 XOR, 8 AND and 4 OR gate.

Page 12: Use CMOS Transistors to bit a 4-bit Adder. NAND2 symbol Schematic

Test Bench in Verilog

Page 13: Use CMOS Transistors to bit a 4-bit Adder. NAND2 symbol Schematic

Create Config

Page 14: Use CMOS Transistors to bit a 4-bit Adder. NAND2 symbol Schematic

Use Template

Page 15: Use CMOS Transistors to bit a 4-bit Adder. NAND2 symbol Schematic

AMS Simulator

Page 16: Use CMOS Transistors to bit a 4-bit Adder. NAND2 symbol Schematic

Model Library Setup

Page 17: Use CMOS Transistors to bit a 4-bit Adder. NAND2 symbol Schematic

Use the 5 V Connect Rules

Page 18: Use CMOS Transistors to bit a 4-bit Adder. NAND2 symbol Schematic

Choose Enough Levels of Hierarchy to Save

Page 19: Use CMOS Transistors to bit a 4-bit Adder. NAND2 symbol Schematic

Output of the 4-bit AdderOpen database first!

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