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UNIT-I
Number System and Logic Gates
Conversions of Binary, octal and Decimal & hexadecimal number systems, Binary addition and subtraction (1’s and 2’s complement methods). Logic Gates - OR, AND, NOT, XOR, NAND, NOR gates and their Truth tables - Design of basic gates using the Universal gates - NAND and NOR gates, Half adder, Full adder and parallel adder logic circuits. Logic families and their characteristics - TTL, CMOS and ECL logic circuits.
UNIT-II
Boolean Algebra and Combinational Logic Circuits
Boolean algebra - Laws and identities, DeMorgan’s Theorems. Simplification of Boolean expressions using Boolean identities - Reduction of Boolean expressions using Karnaugh Maps - Sum of Products (SOP) representation (up to four variables). Multiplexer, De-Multiplexer, Decoder (3 to 8) and Encoder
(8 to 3).
UNIT-III
Sequential Logic Circuits
Flip-flops - SR, D, JK, T and Master - Slave JK; Registers - Shift Registers - SISO, SIPO, PISO and PIPO Registers, Universal shift register (IC 7496), Shift register counters - Ring counter, Johnson Counter.
UNIT-IV
Counters and Semiconductor Memories
4-bit Asynchronous (Ripple) counter, Modulo-N counter, synchronous counter. Up/down counters - ripple counter IC7493 - Decade counter IC7490 - working, truth tables and timing diagrams. Semiconductor Memories : Organization and working of ROM, types of ROM’s - PROM, EPROM, EEPROM, FLASH, RAM - static and dynamic.
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CategoriesArts and Science
Format EPUB
TypeeBook