SKEU/SEEU 1212
Digital Logic
Chapter 1: Introduction (1 hours)
Differences of analog and digital. Advantage/disadvantage of digital. Example systems.
Chapter 2: Number Systems& Digital Codes (5 hours)
Conversions between number systems: decimal, binary, hexadecimal, octal.
Binary codes: BCD, Gray. Alphanumeric: ASCII, Unicode.
Binary arithmetic: +, -, x, /
Chapter 3: Gates and Boolean Algebra (4 hours)
Logic gates. Boolean algebra. Conversion of equations <--> circuits.
Boolean theorems. Algebraic simplifications.
Chapter 4: Combinational Logic Networks (5 hours)
Minterms, maxterms, canonical SOP and POS.
Logic simplification using Karnaugh maps, Gate transformations and DeMorgan equivalent circuits.
Chapter 5: Combinational MSI (5 hours)
Multiplexers: concepts, devices (74x153 and 74x151), expansion.
Decoders/code converters: concepts, devices (74x138, 74x139, 74x47), expansion.
Implementations of Boolean functions using multiplexers and decoders
Encoders: concepts, devices (74x148 and 74x147).
Adders: half adder, full adder, ripple adder, device (74x283).
Chapter 6: Latches and flip-flops (4 hours)
Sequential vs combinational circuits. SR latches.
Gated SR latch, Gated D latch. D flip flop, T flip flop and JK flip flop.
Chapter 7: Sequential MSI (4 hours)
Synchronous and asynchronous counters.
74x293 and 74x163 devices: basic usage and generating custom counting sequences.