Transcript Design

Team 7: 7h3 31337 h4x0r5
Jonathan Chen
Daniel Chen
Mike Headley
Kyle Willstatter
The ALU
Multiplexers
Shifter
Basic Functions: XOR
Adder: Try 1
Ripple Carry
Successful
Delay: 10ns
Adder: Try 2
Carry Select
Successful
Delay: 7.4ns
Adder: Try 3
Kogge-Stone
Failed (10 hrs later)
Thr. Delay: 2.4ns
Metrics
We Win! Most Points!
 All transistors sized for equivalent R to
characteristic inverter
 Size=16952um
 Delay=tc-q+thold+tALU=~11.5ns
 Power=122.3mW
 Total Metric=274,184,614
 Way too much time spent on adders
 Best case adder ALU delay ~5ns
 More power, more area, much less time