3CAI3-04: Digital Electronics
Number systems and codes, Basic logic Gates and Boolean algebra:
Sign & magnitude representation, Fixed point representation,
complement notation, various codes & arithmetic in different codes &
their inter conversion. Features of logic algebra, postulates of Boolean
algebra.Theorems of Boolean algebra.
Principle of Duality - Boolean expression -Minimization of Boolean
expressions –– Minterm – Maxterm - Sum of Products (SOP) – Product
of Sums (POS) – Karnaugh map Minimization – Don’t care conditions
– Quine - McCluskey method of minimization.
TTL logic gate characteristics. Theory & operation of TTL NAND gate
circuitry. Open collector TTL. Three state output logic. TTL
subfamilies.MOS& CMOS logic families. Realization of logic gates in
RTL, DTL, ECL, C-MOS & MOSFET.
Combinational logic circuit design, adder, subtractor, BCD adder,
encoder, decoder, BCD to 7-segment decoder, multiplexer,
demultiplexer.
Latches, Flip-flops - SR, JK, D, T, and Master-Slave Characteristic
table and equation, counters and their design, Synchronous counters
– Synchronous Up/Down counters – Programmable counters – State
table and state transition diagram ,sequential circuits design
methodology. Registers –shift registers.