Course

Unit I

Digital Logic Families (8 lectures)

Logic Gates(all-types), Boolean algebra, variables, literals and terms in Boolean expressions, Postulates and theorems of Boolean Algebra, Diode-logic, Introduction to transistor-transistor logic (TTL), CMOS logic family, NMOS and PMOS Logic.

Unit II

Combinational and Sequential Logic Circuits (7 lecture)

Combinational vs Sequential logic circuits, adders, subtractors, multiplicator, comparator, encoder and decoder, latches vs flip-flops, multivibrator, R-S Flip-flops, J-K Flip-flop, T Flip-flop.

Unit III

VLSI Fabrication and processes (10 lectures)

Introduction to wafer fabrication, Packaging, MOS process (n-well and p-well), Silicon on insulator process.

Unit IV

VLSI design and testing (10 lectures)

Introduction to VLSI Design, Basic MOS transistors, Enhancement mode transistor operation, Drain current Vs voltage derivation, NMOS and CMOS inverters, Sheet Resistance and capacitance, Delay, Driving large Capacitive Loads, Propagation delay, Fan- in and fan-out characteristics, introduction to scaling.

Unit V

Design and testing of circuit elements (10 lectures)

Design of Adders, Parity generators, Detectors, Comparators and Counters, Registers and Shifters, memory elements. Case-studies of digital circuits using circuit analysis software-packages

Exposure to VFabLab.org to do virtual experiments on semiconductor manufacturing.

Pre-requisites: Basic math, physics and chemistry

Total number of classes: 45

Course Outcomes:

• Understand the concepts and laws of combinational and sequential logic circuits
• Introduced to wafer level fabrication and packaging.
• To be able to understand the design of logical circuits, operation and testing.
• Know the role of circuit elements including comparators and counters, multipliers and shifters.
• Introduce to circuit design software and packages utilized in the industry.

Text Books

1. Kamran Eshraghian, Eshraghian Dougles and A. Pucknell,” Essentials of VLSI circuits and systems”, PHI, 2005 Edition.
2. CMOS VLSI Design: A Circuits and Systems Perspective by Neil Weste and David Harris (2010) Pearson; 4th edition
3. Digital Electronics: Principles and Integrated Circuits by AK. Maini, Wiley (2007).

References:

1. S.M. Sze and M. K. Lee. “Semiconductor Devices: Physics and Technology”, 3^rd Edition, 2012
2. R. C. Jaeger, “Introduction to Microelectronic Fabrication”, 2^nd Edition, 2002.