Logic Design

Logic Design

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Boolean Algebra and Combinational NetworksPrinciple of Duality; Boolean Formulas and Functions : Normal Formulas; Canonical Formulas : Minterm Canonical Formulas, m-Notation; Manipulations of Boolean Formulas: Equation Complementation, Expansion about a Variable, Equation Simplification, The Reduction Theorems, Minterm Canonical Formulas, Maxterm Canonical Formulas, Complements of Canonical Formulas; Gates and Combinational Networks : Gates, Combinational Networks, Analysis Procedure, Synthesis Procedure, A Logic Design Example; Incomplete Boolean Functions and Don't Care Conditions : Describing Incomplete Boolean Functions, Don't Care Conditions in Logic Design; Additional Boolean Operations and Gates : The NAND-Functions, The NOR-Functions, Universal Gates, NAND-Gate Realizations, NOR-Gate Realizations, The Exclusive-OR-Function, The Exclusive-NOR Function.Simplification of Boolean ExpressionsFormulation of the Simplification Problem : Criteria of Minimality, The Simplification Problem; Prime Implicants and Irredundant Disjunctive Expressions : Implies, Subsumes, Implicants and Prime Implicants, Irredundant Disjunctive Normal Formulas; Prime Implicants and Irredundant Conjunctive Expressions; Karnaugh Maps : One-Variable and Two-Variable Maps, Three-Variable and Four-Variable Maps, Karnaugh Maps and Canonical Formulas, Product and Sum Term Representations on Karnaugh Maps; Using Karnaugh Maps to Obtain Minimal Expressions for Complete Boolean Functions : Prime Implicants and Karnaugh Maps, Essential Prime Implicants, Minimal Sums, Minimal Products; Minimal Expressions of Incomplete Boolean Functions : Minimal Sums, Minimal Products; The Quine-McCluskey Method of Generating Prime Implicants and Prime Implicates : Prime Implicants and the Quine - McCluskey Method, Algorithm for Generating Prime Implicants, Prime Implicates and the Quine - McCluskey Method; Prime Implicant/Prime-Implicate Tables and Irredundant Expressions; Petrick's Method of Determining Irredunant Expressions, Prime-Implicate Tables and Irredundant Conjunctive Normal Formulas; Prime Implicant/Prime-Implicate Table Reductions : Essential Prime Implicants, Column and Row Reductions, A Prime - Implicant Selection Procedure; Decimal Method for Obtaining Prime Implicants; Map Entered Variables.Logic Levels and FamiliesLogic Levels, Integration Levels; Output Switching Times, The Propagation Delay, Fan-out and Fan-in, Extension to Other Logic Gates, Logic Cascades.Transistor-Transistor logic; Wired logic, TTL with Totem-Pole output, Thee-state output TTL, Schottky TTL; The MOS Field-Effect-Transistor : Operation of n-Channel, Enhancement-Type MOSFET, The n-Channel Depletion-Type MOSFET, The p-channel MOSFETs, Circuit Symbols, The MOSFET as a Resistor; NMOS and PMOS Logic : The NMOS Inverters, NMOS NOR-Gate, NMOS NAND-Gate, PMOS Logic, performance; The CMOS Inverter, CMOS NOR-Gate, CMOS NAND-Gate, performance, Comparison of the above logic families.Logic Design with MSI Components and Programmable Logic DevicesBinary Adders and Subtractors; Binary Subtractors, Carry Lookahead Adders; Decimal Adders; Comparators; Decoders; Logic Design Using Decoders; Decoders with an Enable Input; Encoders; Multiplexers; Logic Design with Multiplexers; Programmable Logic Devices (PLDs); PLD Notation; Programmable Read-Only Memories (PROMs); Programmable Logic Arrays (PLAs); Programmable Array Logic (PAL) Devices.Flip-Flops and Simple Flip-Flop ApplicationsThe Basic Bistable Element; Latches; The SR Latch, An Application of the SR Latch : A Switch Debouncer, The SR Latch, The Gated SR Latch, The Gated D Latch; Master-Slave Flip-Flops (Pulse-Triggered Flip-Flops); The Master-Slave SR Flip-Flop; The Master-Slave JK Flip-Flop; Edge-Triggered Flip-Flop; The Positive Edge-Triggered D Flip-Flop; Negative Edge-Triggered D flip-flops; Characteristic Equations; Registers; Counters : Binary Ripple Counters, Synchronous Binary Counters, Counters Based on Shift Registers ; Design of Synchronous Counters : Design of a Synchronous Mod-6 Counter Using Clocked JK Flip-Flops, Design of a Synchronous Mod-6 Counter Using Clocked D, T or SR Flip-Flops.Synchronous Sequential NetworksStructure and Operation of Clocked Synchronous Sequential Networks; Analysis of Clocked Synchronous Sequential Networks; Excitation and Output Expressions, Transition Equations, Transition Tables, Excitation Tables, State Tables, State Diagrams Network Terminal Behavior.In this section we will see some basic NMOS logic circuits. 3.13.1 NMOS Inverter Fig. 3.58 shows the basic NMOS inverter circuit. It contains two N-channel MOSFETs. Q? is a switching MOSFET and Q] is a load MOSFET. Qi acts as loadanbsp;...

Title:Logic Design
Author:D.A.Godse A.P.Godse
Publisher:Technical Publications - 2005-01-01


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