Number Systems Binary, Octal, Decimal, Hexadecimal number systems - Complements - Signed binary numbers. Binary arithmetic-Binary codes : Weighted - BCD-2421- Gray code - Excess 3 code - ASCII - EBCDIC - Boolean postulates and laws - De-Morgan's theorem - Principle of Duality - Boolean expression - Boolean function - Minimization of Boolean expressions - Sum of Products (SOP) - Product of Sums (POS) - Minterm - Maxterm - Canonical forms - Conversion between canonical forms - Minimization : Karnaugh map, Tabulation method - Don't care conditions.Combinational Circuits Logic Gates - Implementations of logic functions using gates, NAND-NOR implementations. TTL and CMOS logic and their characteristics - Tristate gates. Design procedure of combinational circuits : - Adders-Subtractors - Parallel adder / subtractor - Carry look ahead adder - BCD adder - Magnitude comparator - Multiplexer/Demultiplexer - Encoder/Decoder - Parity generator and checker - Code converters. Implementation of combinational logic using decoders and multiplexers.Sequential Circuits Flip-flops - SR, JK, T, D and Master slave - Characteristic and excitation tables and equations - Level and edge triggering - Realization of one flip-flop using other flip-flops - Analysis and design of sequential circuits with state diagram, State table - State minimization and State assignment - Asynchronous / Ripple counters - Design of synchronous counters, Ring counters and Sequence detector - Registers - Shift registers - Universal shift register. Asynchronous Sequential Circuits Design of fundamental mode and pulse mode circuits - Primitive state / flow table - Minimization of primitive state table - State assignment - Excitation table - Cycles - Races - Hazards : Static - Dynamic - Essential - Hazards elimination. Memory Devices Classification of memories - RAM organization - Write operation - Read operation - Memory cycle - Timing waveforms - Memory decoding - Memory expansion - Static RAM cell - Bipolar RAM cell-MOSFET RAM cell - Dynamic RAM cell - ROM organization - PROM - EPROM - EEPROM - EAPROM - Programmable logic devices - Programmable Logic Array (PLA) - Programmable Array Logic (PAL) - Field Programmable Gate Arrays (FPGA) - Virtual and cache memory concepts.Number Systems Binary, Octal, Decimal, Hexadecimal number systems - Complements - Signed binary numbers.

Title | : | Digital Electonics |

Author | : | A.P. Godse, D.A. Godse, D.A. Godse |

Publisher | : | Technical Publications - 2008-01-01 |

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