Foundation of Digital Electronics and Logic Design

Content: Combinational circuits Introduction Advantages of digital circuits Essential characteristics of digital circuits Characteristics of an ideal digital logic element Definition of truth table and different logic convention Number system Logic gates and logic circuits XOR gate and its application Enable inputs Realization of inverter using transistor Boolean algebra and postulates of Boolean algebra De'Morgan's theorem in dual form  Simplification of logical expression by using Boolean algebra Logical expression in SSOP & SPOS form i.e. in Min and Max term form NAND gate as a universal logic gate NOR gate as a universal logic gate Grey code and binary to Grey code conversion. Karnaugh Map method for simplifying logical function Completely and incompletely specified logical function Minimization of incompletely specified logical function Digital arithmetic Half Adder/Half Subtractor Full Adder and Full Subtractor circuits Addition of two n bit number in different methods Combinational and Sequential circuit  Multiplexers design procedure and applications.  Demultiplexer its definition and applications Decoder its definition, designing with decoder and its applications Seven segment display devices Decoder driver IC and its function and its cascading for multiple digit display. Encoder  Priority Encoder design, study of octal to priority encoder IC 74148  Sequential Circuit Introduction Distinction between combinational and sequential circuits Flip-Flops and its definition Different types of Flip-Flops and their application. Flip flop used as a frequency divider circuit Racing problem  J-K Master slave Flip-Flop Counter its definition modulus of counter Design of various Synchronous and Asynchronous counters Design procedure for Mod - 3 asynchronous counter Design procedure for Mod - 5 asynchronous counter Design procedure for synchronous counter Design procedure for Mod - 5 synchronous counter using D Flip-Flop Decoding error in asynchronous, synchronous serial carry and synchronous parallel counter Distinction among A.C, SSC and SPC Study of Different asynchronous counter chips such as 7490, 7493 etc Design of Mod-8 Up/Down synchronous counter using J-K Flip-Flop Cascading of counters Application of various counter chips such as 74160, 74162, 74192  Memory Computer Memory Needs of Memory Classification of Memory Secondary Storage Devices Cache Memory Virtual memory Memory devices Advantages and disadvantages of system memory devices Semiconductor memory devices Different types of semiconductor memories( their advantages and disadvantages) Memory Organization Bit and Byte organized memory Different types of ROM. Application of ROMs Ferrite core memories CD-ROM memory its advantages and disadvantages ROM by using decoder and gates and diode ROM Different Memory chips RAM testing on a PC  Timing Circuits Introduction Multivibrators 555 Timer IC Generation of timing waveform using Op-amp Registers and type  Ring counter and Johnson counter Multiplexers as a parallel in- serial out register Application Register Design of a sequence generator Error diction and correction codes Display devices  Logic family Introduction Logic parameters Logic family and RTL DTL Logic family HTL Logic family TTL Logic family Totem pole output configuration of TTL Open Colector output Wire AND logic for open collector TTL Tristate Logic (TSL)- tristate inverter Quad D-typeF/F with Tristated output Integrated injection logic ECL logic family Wired or connection of ECL logic MOS logic family CMOS logic family Comparison among different logic family Noise margin and fan out  Applications and relevant circuit Introduction Different types of Digital to Analog converter Function of 8 bit D/A converter IC DAC0808/DAC1408 Function of 4 bit Arithmetic and Logic Unit (74181 IC) Carry Look Ahead Adder A/D converter and sample & hold circuit S/H amplifier lC-LF398 Description of different types of A/D converter Microprocessor compatible 8 bit A/D converter IC ADC0809 Specifications of A/D converter Specifications of D/A converter Application of counters Schmitt tigger circuit using transistor Schmitt tigger circuit using Op-amp 4 bit True/Complement /Zero/One device Digital IC's, its various characteristics and different designation Programmable Logic Array, Its function and design using PLA Charge coupled devices its function and applications Binary Multiplication and Division algorithm