## Digital Electronics and Logic Design

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**MODULE I**

- Number Systems and Codes : Binary, Octal and hexadecimal conversions
- ASCII code, Excess -3 code, Gray code
- Error detection and correction – Parity generators and checkers
- Fixed point and floating point arithmetic. Binary addition and subtraction, unsigned and signed numbers, 1’s complement and 2’s complement arithmetic.

**MODULE II**

- TTL logic and CMOS logic – Logic gates, Universal gates – Boolean Laws and theorems, Sum of Products method, Product of Sum method – K map representation and simplification(upto four variables) – Pairs, Quads, Octets, Dont care conditions.

**MODULE III**

**MODULE IV**

**MODULE V**

**MODULE VI**

- Digital to Analog conversion – R-2R ladder, weighted resistors.
- Analog to Digital Conversion – Flash ADC, Successive approximation, Integrating ADC.
- Memory Basics, Read and Write, Addressing, ROMs, PROMs and EPROMs, RAMs
- Sequential Programmable Logic Devices – PAL, PLA, FPGA (Introduction and basic concepts only) Introduction to VHDL, Implementation of AND, OR, half adder and full adder.

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