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Published byLogan Chase Modified over 8 years ago
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EDA (Circuits) Overview Paul Hasler
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Extent of Circuits (Analog/Digital) Analog ~ 20% of IC market since 1970 Hearing aids Automotive Biomedical Digital Cameras Cell Phones MEMs devices / Circuits
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--- Red Herring Magazine, February 2003 “Analog chips enable computers to interact with the physical world--to see, listen, touch...the next ten years will see a shift in emphasis to analog technologies... In the coming years, look for analog--not digital--chips to attract the new talent and investment...” --- Brian Halla CEO National Semiconductor “The Analog Renaissance is Here!” "DSP and high-performance analog are the engines... and we're only at the beginning of where analog is going." --- Templeton, incoming CEO of TI, February 2004
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Range of Analog Products (Just TI’s map)
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Brief History of Integrated Circuits 4004: First P (1970) (1960)
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Silicon Scaling “Standard” digital CMOS
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Course Directions in EDA ECE 4430: Analog IC Design ECE 4415: RF Engineering I ECE 4418: RF Engineering II ECE 4420: Digital IC Design ECE 4360: RF Lab ECE 6361: RF Design Lab ECE 6412: Analog Circuits (IC) ECE 6414: Analog Systems (IC) ECE 6420: Wireless IC Design ECE 6435: Analog VLSI Circuits
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ECE 4430: Analog IC Design
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Analog--Digital Signal Processing ASP IC Sensor Signals DSP/ C A/D Converter Real world (analog) DSP Processor Computer (digital) Real world (analog) DSP Processor Computer (digital) ASP IC A/D Specialized A/D Gene’s Law and CADSP CADSP = Cooperative Analog—Digital Signal Processing ( P. Hasler and D. Anderson ) Gene’s Law = power efficiency scaling for DSP C Custom Analog ~ 10,000 more efficient than Custom Digital Power and Computation Efficiency Critical for Mobile Applications Standard CMOS process Greater signal processing capability without scaling IC process
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Programmable Analog Circuits Programmable Analog Structure: Core Innovation - Charge storage and control in signal path - Combine to build computational engines - Any standard CMOS process Implementation: Analog Parameter Storage - CMOS offset correction, Yield enhancement - Analog data storage Programmable Analog Functions - Amplifier gain, Filter parameters - Reconfigurable analog circuits Dynamic Analog Computation - Matrix multiplication, Linear transforms - Adaptive Analog Systems m n m x n Example Functions Physical Layout Cross-section Schematic
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Field Programmable Analog Array (FPAA) Configurable Analog Block (CAB) –Synthesizes analog functions –Fully programmable functions, not just selectable –More efficient than selectable –Base block for FPAA FPAA (36 CAB, 150k Elements)
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