To present the Digital fundamentals, Boolean algebra and its applications in digital
To familiarize with the design of various combinational digital circuits using logic gates
To introduce the analysis and design procedures for synchronous and asynchronous
To explain the various semiconductor memories and related technology
To introduce the electronic circuits involved in the making of logic gates
Number Systems – Decimal, Binary, Octal, Hexadecimal, 1‘s and 2‘s complements, Codes –
Binary, BCD, Excess 3, Gray, Alphanumeric codes, Boolean theorems, Logic gates, Universal
gates, Sum of products and product of sums, Minterms and Maxterms, Karnaugh map
Minimization and Quine-McCluskey method of minimization.
COMBINATIONAL CIRCUIT DESIGN
Design of Half and Full Adders, Half and Full Subtractors, Binary Parallel Adder – Carry look
ahead Adder, BCD Adder, Multiplexer, Demultiplexer, Magnitude Comparator, Decoder,
Encoder, Priority Encoder.
SYNCHRONOUS SEQUENTIAL CIRCUITS
Flip flops – SR, JK, T, D, Master/Slave FF – operation and excitation tables, Triggering of FF,
Analysis and design of clocked sequential circuits – Design - Moore/Mealy models, state
minimization, state assignment, circuit implementation – Design of Counters- Ripple Counters,
Ring Counters, Shift registers, Universal Shift Register.
ASYNCHRONOUS SEQUENTIAL CIRCUITS
Stable and Unstable states, output specifications, cycles and races, state reduction, race free
assignments, Hazards, Essential Hazards, Pulse mode sequential circuits, Design of Hazard
MEMORY DEVICES AND DIGITAL INTEGRATED CIRCUITS
Basic memory structure – ROM -PROM – EPROM – EEPROM –EAPROM, RAM – Static and
dynamic RAM - Programmable Logic Devices – Programmable Logic Array (PLA) Programmable Array Logic (PAL) – Field Programmable Gate Arrays (FPGA) - Implementation
of combinational logic circuits using PLA, PAL.
Digital integrated circuits: Logic levels, propagation delay, power dissipation, fan-out and fanin, noise margin, logic families and their characteristics-RTL, TTL, ECL, CMOS