Digital Electronics

Unit I

Logic simplification and combinational logic design: Number Systems, Binary arithmetic, signed magnitude representation , Binary codes, code conversion, review of Boolean algebra and Demorgan’s theorem, SOP & POS forms, Canonical forms, Karnaugh maps up to 5 variables, tabulation method.

Unit II

Analysis and Design of combinational circuits, MSI devices like comparators, multiplexers, demultiplexers, encoder, decoder, circuit realization using Multiplexers and decoders, half and full adders, subtractors, serial and parallel adders, BCD adder, barrel shifter.

Unit III

Sequential logic design: Building blocks like S-R, JK and Master-Slave JK FF, D FF, T FF, edge triggered FF, Flip flop conversion, Applications of Flip Flops: ripple and synchronous counters, Ring counter, Johnson counter, shift registers: SISO, SIPO, PISO, PIPO, Bidirectional shift register, Universal shift register; Finite state machines: Mealy and Moore machines, State diagrams, state reduction, Analysis of clocked sequential circuits, Design of clocked sequential circuits,

Unit IV

Logic families and semiconductor memories: A TTL NAND gate, specifications, noise margin, propagation delay, fan-in, fan-out, tristate TTL, ECL, CMOS families and their interfacing, memory elements, concept of programmable logic devices like FPGA, logic implementation using programmable devices.

Unit V

• M. Morris Mano and M. D. Ciletti, “Digital Design”, Pearson Education.
• David J. Comer, “Digital Logic & State Machine Design”, Oxford University Press.