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Institute of Applied Microelectronics and Computer Engineering College of Computer Science and Electrical Engineering, University of Rostock Spezielle Anwendungen des VLSI-Entwurfs Special applications of VLSI design STUDENT CHIP 2005 FINAL REPORT JULY 5TH AMIT HINGHER
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Institute of Applied Microelectronics and Computer Engineering College of Computer Science and Electrical Engineering, University of Rostock Spezielle Anwendungen des VLSI-Entwurfs Special applications of VLSI design SUMMARY OF TASKS 1) FLOORPLANNING ->a) Reduce I / O to Core Size 2) PLACEMENT - > a) Timing Driven Placement b) Optimize Timing 3) ROUTING -> a) Timing & Power Driven Routing b) Global & Final Routing c) Incremental Final Routing d) Global Route only GOAL - > OPTIMIZED PDP
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Institute of Applied Microelectronics and Computer Engineering College of Computer Science and Electrical Engineering, University of Rostock Spezielle Anwendungen des VLSI-Entwurfs Special applications of VLSI design COMPARISON Desired Frequency FREQUENCY (from Slack) DELAY (ns) POWER ( μ W) Power Delay (f) 380 Mhz 316MHz3.1649.780157.526 300Mhz 281MHz3.56044.274157.616 500Mhz 315MHz2.6759.039157.635 175Mhz 240MHz4.16837.771157.433 DESIRED FREQUENCY OPERATING FREQUENCY (from Slack) DELAY (ns) POWER ( μ W) PDP (f) 250 200MHz5.0031.877159.385 500 236MHz4.23437.659159.448 650 322MHz3.10451.283159.180 Before Optimization After Optimization
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Institute of Applied Microelectronics and Computer Engineering College of Computer Science and Electrical Engineering, University of Rostock Spezielle Anwendungen des VLSI-Entwurfs Special applications of VLSI design List of all Values Name of Design max. delay [ns] max. frequency f max [MHz] Power Dissipatio n @ f max [µW] PDP [fJ] Core- Area [µm²] Power Dissipatio n @ 50 MHz [µW] Amit1_fi nal 4.16817537.7719157.433 15286 - Value Best frequency : 175MHz Best area: 15286 µm² Best PDP : 157.433 fJ
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Institute of Applied Microelectronics and Computer Engineering College of Computer Science and Electrical Engineering, University of Rostock Spezielle Anwendungen des VLSI-Entwurfs Special applications of VLSI design RESULT ANALYSIS ….(1)
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Institute of Applied Microelectronics and Computer Engineering College of Computer Science and Electrical Engineering, University of Rostock Spezielle Anwendungen des VLSI-Entwurfs Special applications of VLSI design RESULT ANALYSIS ….(2) At 300Mhz…. IO / Core Distance Route Delay (ns) Power (uw) PDP (f) 892 x 892 (98%) Global & Final 4.1737.810157.747 892 x 892 (98%) Incremental & Final 3.6443.357157.822 892 x 892 (98%) Global Route 3.5644.274157.616
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Institute of Applied Microelectronics and Computer Engineering College of Computer Science and Electrical Engineering, University of Rostock Spezielle Anwendungen des VLSI-Entwurfs Special applications of VLSI design RESULT ANALYSIS …(3) Reducing C Load : Wire Length Reduction Possibly Frequency Wire Length Power 175Mhz13251837.771 300Mhz13480944.274 380Mhz135964 49.778
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Institute of Applied Microelectronics and Computer Engineering College of Computer Science and Electrical Engineering, University of Rostock Spezielle Anwendungen des VLSI-Entwurfs Special applications of VLSI design SOME NICE PICTURES….
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Institute of Applied Microelectronics and Computer Engineering College of Computer Science and Electrical Engineering, University of Rostock Spezielle Anwendungen des VLSI-Entwurfs Special applications of VLSI design THANKYOU VERY MUCH…. Prof. Dirk Timmermann Frank Sill Ronald Hecht Stephan Kubisch Harald Widiger Claas Cornelius
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