UNIT I
Digital System And Binary Numbers:
Number System and
its arithmetic Signed binary numbers, Logic simplification
and combinational logic design: Binary codes, code
conversion, review of Boolean algebra and Demorgans
theorem, SOP & POS forms, Canonical forms, Karnaugh
maps method up to five variable, Don’t care conditions,
POS simplification, NAND and NOR implementation,
Q u i n e M c C lu s k y m e t h o d ( T a b u la r m e t h o d ) .
UNIT II
Combinational Logic:
MSI devices like Magnitude comparator,
Multiplexers, Demultiplexers, Decoders, Encoders. Multiplexed display,
half and full adders, subtractors, serial and parallel adders, BCD adder.
UNIT III
Sequential Logic And Its Applications:
Storage elements:
latches & flip flops, Characteristic Equations of Flip Flops,
Flip Flop Conversion, Shift Registers, Ripple Counters,
Synchronous Counters, Other Counters:Johnson & Ring
Counter.
UNIT IV
Synchronous & Asynchronous Sequential Circuits:
Analysis of clocked sequential circuits with state
machine designing, State reduction and assignments,
Design procedure. Analysis procedure of
Asynchronous sequential circuits, circuit with
latches, Design procedure, Reduction of state and
flow table,Race-free state assignment, Hazards.
UNIT V
Memory & Programmable Logic Devices:
Digital Logic
Families: DTL, DCTL, TTL, ECL & CMOS etc., Fan Out,
Fan in, Noise Margin; RAM, ROM, PLA, PAL; Circuits of
Logic Families, Interfacing of DigitalLogic Families,
Circuit Implementation using ROM, PLA and PAL
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