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MD, Entwicklung von Powerpointfolien Institut für Angewandte Mikroelektronik und Datentechnik Fachbereich Elektrotechnik und Informationstechnik, Universität.

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Presentation on theme: "MD, Entwicklung von Powerpointfolien Institut für Angewandte Mikroelektronik und Datentechnik Fachbereich Elektrotechnik und Informationstechnik, Universität."— Presentation transcript:

1 MD, Entwicklung von Powerpointfolien Institut für Angewandte Mikroelektronik und Datentechnik Fachbereich Elektrotechnik und Informationstechnik, Universität Rostock Carry Select Adder (Phase 5 ) by Petro Bravermann

2 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 Motivation goal -> Speed why Carry Select -> arguments: advantage timeseving, fast addition disadvantage large, complex wiring

3 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 Concept Steps Ripple Cyrry vs. Carry Loock Ahaed 150 mhz 580 mhz

4 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 Optimisation Modify I/O to Core Distance -> (+ 90 Mhz ) Clock Tree Syntesis -> (+ 70 MHz) Placement optimizatin -> (- 40 mhz) Post-routing optimisation -> (- 140 mhz)

5 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 Power Analyzer Core activity Wire core density

6 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 Value Name of design Best frequency :740MHz CSA with CLA Best area: 20385µm²CSA with CLA Best µWCSA with CLA Best PDP 352,71(23,84)fJCSA with CLA Name of designer: Carry Select Adder with Carry Loock Ahead Name of Design max. delay [ns] max. frequency f max [MHz] Power f max [µW] PDP [fJ] Core-Area [µm²] Power Dissipat 50 MHz [µW] Carry Select (CSA) , , ,66

7 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 Thank You Very Much !


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