DIGITAL SYSTEM DESIGN
Unit-I: Designing with Programmable Logic Devices
Designing with Read only memories – Programmable Logic Arrays – Programmable Array logic – Sequential Programmable Logic Devices – Design with FPGA’s– Using a One-hot state assignment,
State transition table- State assignment for FPGA’s - Problem of Initial state assignment for One –Hot encoding - State Machine charts – Derivation of SM Charts – Realization of SM charts – Design Examples –Serial adder with Accumulator - Binary Multiplier – Signed Binary number multiplier (2’s Complement multiplier) – Binary Divider – Control logic for Sequence detector – Realization with Multiplexer – PLA – PAL.
Unit-II: Fault Modeling & Test Pattern Generation
Logic Fault model – Fault detection & Redundancy- Fault equivalence and fault location –Fault dominance – Single stuck at fault model – Multiple stuck at fault models –Bridging fault model
Fault diagnosis of combinational circuits by conventional methods – Path sensitization techniques, Boolean Difference method – Kohavi algorithm – Test algorithms – D algorithm, PODEM, Random testing, Transition count testing, Signature analysis and test bridging faults.
Unit-III: Fault Diagnosis in Sequential Circuits
Circuit Test Approach, Transition Check Approach - State identification and fault detection experiment, Machine identification, Design of fault detection experiment.
Unit-IV: PLA Minimization and Testing
PLA Minimization – PLA folding, Fault model in PLA, Test generation and Testable PLA Design.
Unit-V: Minimization and Transformation of Sequential Machines
The Finite state Model – Capabilities and limitations of FSM – State equivalence and machine minimization – Simplification of incompletely specified machines.
Fundamental mode model – Flow table – State reduction – Minimal closed covers – Races, Cycles and Hazards.
1. Fundamentals of Logic Design – Charles H. Roth, 5th ed., Cengage Learning.
2. Digital Systems Testing and Testable Design – Miron Abramovici, Melvin A. Breuer and Arthur D. Friedman- John Wiley & Sons Inc.
3. Logic Design Theory – N. N. Biswas, PHI
1. Switching and Finite Automata Theory – Z. Kohavi , 2nd ed., 2001, TMH
2. Digital Design – Morris Mano, M.D.Ciletti, 4th Edition, PHI.
3. Digital Circuits and Logic Design – Samuel C. Lee , PHI
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