Digital Electronics 2_ Lecture 1.pdf - EEE 306:Digital...

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EEE 306:Digital Electronics II
Course Description:Medium-Scale-Integrated (MSI) devices and their applications: Decoders, Encoders, Multiplexers, De-multiplexers,Adders and Subtractors, Magnitude Comparators: HDL for MSI circuits:Memory devices: Semiconductor memories: ROMs, PROMs, EPROMs, EEPROMs, Flash memories, PLAs and PALs,static RAM, dynamic RAM, CCD memories, FPGAs and ASICs: Expanding word size and capacity: Applications ofdifferent memory devices:Sequential logic circuits: Analysis of sequential logic circuits using state equations, state tables and statediagrams: State reduction: Design of sequential circuits: HDL for sequential logic circuits: Timing circuits; Astableand mono-stable multi-vibrator circuits and their applications, crystal oscillator circuits:Analogue-to-Digital (A/D) and Digital-to-Analogue (D/A) conversion: Basic concepts, D/A conversion: weightedresistor DAC, R-2R ladder DAC. A/D conversion: Digital ramp DAC, successive approximation DAC, dual-slope ADC,Flash ADC: General ADC and DAC specifications and applications:Introduction to microcomputers and microcomputer organization: Microcomputer components and the workingof a microcomputer, working of a microprocessor, types of microprocessors, programming model of amicroprocessor, basic concepts of microprocessor interfacing.Textbooks and ReferencesMANO M. M., CILETTI M. D., Digital Design, 4th Edition, Prentice Hall, 2006.PALNITKAR S., Verilog HDL, 2nd Edition, Prentice Hall, 2003AMBROSIO Frank J., Microprocessors and Microcomputers: Hardware and Software (6th Edition), Prentice Hall,2002A. SAHA, N MANNA, Digital Principles and Logic Design, 2007
MSI COMBINATIONAL LOGICCIRCUITS AND THEIR APPLICATIONS
IntroductionDigital systems consists of two types of circuits;Combinational logic circuits; Consists of circuits where the outputs aredetermined only by thepresentcombination of inputs and does not dependon the previous inputs or state of outputsSequential logic circuits; Logic circuits that contain both logic gates and alsomemory cells. The circuit outputs is determined by both the present inputsand also the past inputs. As such, the circuit behavior must be specified by bya time sequence of inputs and memory statesDigital ICs are often categorized according to their circuit complexity asmeasured by the number of logic gates they contain;ComplexityNumber of logic gatesSmall Scale Integration (SSI)<12Medium Scale Integration (MSI)12-99Large Scale Integration (LSI)100-9,999Very Large Scale Integration(VLSI)>10,000
Medium Scale Integrated (MSI)devicesMSI devices are used as building blocks for more complex digitalcircuits.They perform specific digital functions commonly needed in thedesign of combinational logic circuits and are available in IC formDigital circuit design using MSI devices results in significantreduction in the number of ICs required to implement logic circuitsas compared to circuit implementation using SSI devices.

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Term
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Boolean Algebra, Light emitting diode

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