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ASIC DESIGN N SIDDAIAH ASSOC. PROFESSOR DEPARTMENT OF ECE 4/2/18
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Co - 1 Types of Asics : Design flow - CMOS transistors CMOS Design rules - Combinational Logic Cell –Sequential logic cell - Data path logic cell - Transistors as Resistors - Transistor Parasitic Capacitance- Logical effort - Library cell design - Library architecture . Anti fuse - static RAM - EPROM and EEPROM technology - PREP benchmarks - Actel ACT - Xilinx LCA -Altera FLEX - Altera MAX DC & AC inputs and outputs - Clock & Power inputs - Xilinx I/O blocks. Actel ACT -Xilinx LCA - Xilinx EPLD - Altera MAX 5000 and 7000 - Altera MAX 9000 - Altera FLEX Design systems - Logic Synthesis - Half gate ASIC -Schematic entry - Low level design language - PLA tools - EDIF- CFI design representation. 4/2/18
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BOOKS 4/2/18 1.M.J.S .Smith, " Application - Specific Integrated Circuits " - Addison -Wesley Longman REFERENCES BOOKS 1.S.D. Brown, R.J. Francis, J. Rox, Z.G. Uranesic, " Field Programmable Gate Arrays " -Kluever Academic Publishers, 1992. 2.Mohammed Ismail and Terri Fiez, " Analog VLSI Signal and Information Processing " , Mc Graw Hill, 1994. 3.S. Y. Kung, H. J. Whilo House, T. Kailath, " VLSI and Modern Signal Processing " , Prentice Hall, 1985
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INTRODUCTION 4/2/18
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ASIC - INTRODUCTION An ASIC (pronounced “a-sick”; bold typeface defines a new term) is an application-specific integrated circuit In Integrated Circuit (IC) designed to perform a specific function for a specific application As opposed to a standard, general purpose off-the-shelf part such as a commercial microprocessor or a 7400 series IC Gate equivalent - a unit of size measurement corresponding to a 4 transistor gate equivalent (e.g. a 2 input NOR gate) 4/2/18
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As the name indicates, ASIC is a non-standard integrated circuit that is designed for a specific use or application. Generally an ASIC design will be undertaken for a product that will have a large production run , and the ASIC may contain a very large part of the electronics needed on a single integrated circuit. Examples for ASIC Ics are : a chip for a toy bear that talks; a chip for a satellite; a chip designed to handle the interface between memory and a microprocessor for a workstation CPU; and a chip containing a microprocessor as a cell together with other logic. 4/2/18
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ASIC vs Standard IC 4/2/18 Standard ICs – ICs sold as Standard Parts SSI/LSI/ MSI IC such as MUX, Encoder, Memory Chips, or Microprocessor IC Application Specific Integrated Circuits (ASIC) – A Chip for Toy Bear, Auto-Mobile Control Chip, Different Communication Chips [ GRoT: ICs not Found in Data Book] Concept Started in 1980s An IC Customized to a Particular System or Application – Custom ICs Digital Designs Became a Matter of Placing of Fewer CICs or ASICs plus Some Glue Logic Reduced Cost and Improved Reliability Application Specific Standard Parts (ASSP) – Controller Chip for PC or a Modem
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Levels of integration SSI - Small scale integration 100 transistors per cubic centimeter MSI - Medium scale integration 1000 transistors per cubic centimeter
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  • Fall '15
  • prasad
  • Logic, Transistor, Logic gate, Field-programmable gate array, Application-specific integrated circuit, logic cells

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