UNIT I NUMBER SYSTEMS AND DIGITAL LOGIC FAMILIES
Review of number systems, binary codes, error detection and correction codes (Parity and Hamming code0- Digital Logic Families ,comparison of RTL, DTL, TTL, ECL and MOS families -operation, characteristics of digital logic family.
UNIT II COMBINATIONAL CIRCUITS
Combinational logic - representation of logic functions-SOP and POS forms, K-map representationsminimization using K maps - simplification and implementation of combinational logic - multiplexers and demultiplexers - code converters, adders, subtractors.
UNIT III SYNCHRONOUS SEQUENTIAL CIRCUITS
Sequential logic- SR, JK, D and T flip flops - level triggering and edge triggering - counters - asynchronous and synchronous type - Modulo counters - Shift registers - design of synchronous sequential circuits - Moore and Melay models- Counters, state diagram; state reduction; state assignment.
UNIT IV ASYNCHRONOUS SEQUENTIAL CIRCUITS AND PROGRAMMABLE
LOGIC DEVICES
Asynchronous sequential logic circuits-Transition table, flow table-race conditions, hazards &errors in digital circuits; analysis of asynchronous sequential logic circuits-introduction to Programmable Logic Devices: PROM - PLA -PAL.
UNIT V VHDL
RTL Design - combinational logic - Sequential circuit - Operators - Introduction to Packages - Subprograms - Test bench. (Simulation /Tutorial Examples: adders, counters, flipflops, FSM, Multiplexers /Demultiplexers).
