1. 1 GPS Waypoint Navigation Team M-2: Charles Norman (M2-1) Julio Segundo (M2-2) Nan Li (M2-3) Shanshan Ma (M2-4) Design Manager: Zack Menegakis Presentation 10: Top-Level Layout April 17, 2006 Overall Project Objective: Design a low-power chip that navigates an aircraft to pre- determined waypoints.

2. 2 Status Design Proposal Design Proposal Architecture Proposal Architecture Proposal Size Estimates / Floorplan Size Estimates / Floorplan Schematic Design Schematic Design Layout Layout  Spice Simulations  Power Logic Modules Logic Modules  Registers  Delay Logic Modules Logic Modules  Registers  Global Waypoint/Heading Waypoint/Heading  Everything Else

3. 3 Power Analysis Functional Component AVG Case (Schematic) AVG Case (Ext. RC) WC Power (Schematic) WC Power (Ext. RC) SRAM352.7nW40.7nW52.0uW20.4uW FSM2.3nW1.9nW30.4nW31.6nW Registers/Buffers Clock / Counter Logic Done Logic *1.5uW----------- Speed Comparator Altitude Comparator Waypoint Comparator Heading0.8nW1.3nW16.8nW10.7nW0.8nW1.3nW17.5nW10.7nW0.8nW1.7nW58.1nW11.7nW0.8nW1.7nW61.9nW11.7nW Distance Calculator Speed Calculator Angle Calculator 10.4nW5.5nW4.3nW10.4nW6.0nW4.3nW11.3nW5.8nW4.5nW11.4nW6.0nW4.5nW Total*1.9uW--- *Estimated Value

4. 4 Power Consumption Registers 1.5uW Logic 52.1nW SRAM 352.7nW

5. 5 AVG Delay Analysis Functional Component SchematicPropagationRiseFall Extr. RC PropagationRiseFall SRAM1.03ns105.9ps59.1ps1.3ns445.8ps125.4ps FSM185.4ps310.2ps274.1ps214.9ps276.0ps119.0ps Registers/Buffers Clock 8Hz Clock 240Hz Clock 2048Hz Black Box Done Output Done -1.2ns326.3ps1.8ns740.6ps487.4ps-1.8ns251.9ps3.7ns654.3ps157.6ps-1.1ns61.1ps585.7ps---1.4ns369.4ps1.9ns1.0ns557.9ps-1.9ns238.9ps3.7ns972.7ps266.5ps-1.1ns55.1ps587.1ps-- Speed Comparator Altitude Comparator Waypoint Comparator Heading246.6ps1.3ns523.4ps311.2ps62.2ps87.9ps77.3ps63.0ps52.8ps73.9ps62.1ps52.9ps652.2ps1.4ns593.2ps311.5ps63.4ps90.2ps90.2ps74.4ps53.3ps75.6ps68.7ps62.6ps Distance Calculator Speed Calculator Angle Calculator 2.2ns1.59ns371.4ps64.5ps64.4ps331.3ps53.4ps51.8ps173.7ps2.4ns1.9ns411.4ps68.8ps66.3ps721.6ps55.3ps55.3ps239.5ps

6. 6 Worst Case Delay Analysis Functional Component SchematicPropagationRiseFallLayoutPropagationRiseFall SRAM1.2ns816.6ps289.3ps4.4ns612.5ps138.4ps FSM187.6ps294.4ps276.5ps215.7ps122.8ps280.5ps Speed Comparator Altitude Comparator Waypoint Comparator Heading652.2ps1.5ns524.0ps2.6ns63.4ps96.7ps79.4ps64.3ps53.3ps74.8ps61.5ps54.4ps714.1ps1.7ns593.7ps2.8ns71.9ps97.3ps94.6ps67.5ps56.8ps73.9ps68.7ps56.7ps Distance Calculator Speed Calculator Angle Calculator 2.6ns1.4ns1.7ns63.5ps62.9ps356.4ps52.7ps54.7ps192.6ps3.1ns1.5ns1.9ns63.2ps66.8ps468.1ps51.3ps55.4ps237.3ps

7. 7 8Hz FSM 2048Hz Input regs SRAM Waypoint comparator Heading regs Heading BB Output regs Done BB 240Hz BB Input regs Alt comp Spd comp Angle comp Speed Calculator Distance Calculator Done Output regs Dimensions: 322um * 416um Area: 134,000 um 2

8. 8 Size Estimate Functional Component TransistorCountDensity Estimation (µm²) Actual (µm²) SRAM4,2690.2317,00018,315 FSM3520.222,0001,589 Registers/Buffers Clock Logic Done Logic 6,7509164660.180.220.2228,50010,5003,50036,8244,1662,096 Speed Comparator Altitude Comparator Waypoint Comparator Heading2564123,7503,4560.240.240.250.249001,90016,00015,5001,0841,74415,18414,266 Distance Calculator Speed Calculator Angle Calculator 3,4281,6621,2460.230.260.2415,5007,0006,50014,8226,5075,123 Total26,963-*124,800120,131 *No Interconnect

9. 9 What’s Next… Here’s what’s on our agenda for next week…  Finish Global  LVS

10. 10 Questions???