1. Team W3: Anthony Marchetta Derek Ritchea David Roderick Adam Stoler Milestone 7: March 1st Component Layout (Corrected) Overall Project Objective: Design an Air-Fuel Ratio Controller for a small gasoline engine with low emissions and low cost Design Manager: Steven Beigelmacher

2. Logos are cool!!

3. Status Design Proposal (done) Architecture (done) High Level C Simulation Behavioral Verilog & Test Bench Floorplan & Structural Verilog Gate Level Design (done) Top Level Schematic Verification Component Layout (done) Analog simulation of SRAM and ROM Layout of all components Component Simulation (90%) Smaller Multiplier being laid out Everything else complete Still to be done Top level layout Top level simulation

4. 12bit Input Reg 8X10 SRAM Value Look-up 12bit Input Reg Engine Speed Manifold Pressure 12bit Input Reg Throttle Position Fixed Point Array Multiplier 2:1Mu x 12bit Output Register Control ROM 12bit Input Reg %Oxygen 7X4 SRAM Comparator Look-up 4:1Mux = R0 12bit Register Win Sin[0:1] 2:1Mu x Rcomp Sin[0:1] Index[0:4] Write R1 R2 RowComp[0]RowComp[1] Srow1 Srow2 RowComp[2] 3bit Reg Wcol Index[0:6] Write Rtable 2:1Mu x Scol ColTable[0:3] 2:1Mu x Scol Valid Wmult1 Wmult2 Smult 5bit State Reg Next[0:4] Wout PulseOut[0:11]

5. DFF

7. Comparator

9. 4:1 Mux

11. Top Level Layout (old) 390X430(µm)

12. Top Level Layout (old)

13. Top Level Layout (possibility) 385X340(µm)

14. Top Level Layout (possibility)

15. New Layout 340 x 385 (µm) 130,900 (µm 2 ) Aspect Ratio: 1.13 Trans. Density:.124 Tran/ µm 2 Old Layout 390 x 430 (µm) 167,700 (µm2 ) Aspect Ratio: 1.10 Trans. Density:.09 Tran/ µm 2 Vs.

16. Questions????