8 Bits Gray Code Converter
By: Dawei Kou
Flora Wu
Linda Htay
Specification
• 8 bits Gray Code Converter converts regular binary number to Gray code number
• Clock frequency = 200 MHz
• Power < 250mW@200MHz
• No Metal 2
Design Method
• 3 bits and 4 bits Gray Code Converter by K-map
• Verify 8 bits input and 8 bits output in excel
• Design XOR and DFF
XOR Post Extracted Simulation
Nand Post Extracted Stimulation
DFF Post Extracted Stimulation
Gray Code Converter Schematic
DFFXOR
Gray Code Converter Cell
DFF
XOR
Gray Code Converter Layout
Gray Code Converter LVS
Post Extracted Simulation, Input
Post Extracted Simulation, Output
Conclusion
• 8 bits Gray Code Converter
• Clock frequency = 200 MHz
• Power = 11.6mW@200MHz
• Total Area = 103 * 470 um2
• No Metal 2