ANNA UNIVERSITY, CHENNAI
REGULATIONS - 2013
M.E. APPLIED ELECTRONICS - SYLLABUS
VL7102 VLSI DESIGN TECHNIQUES
OBJECTIVES: To understand the concepts of MOS transistors operations and their AC , DC characteristics.
To know the fabrication process of cmos technology and its layout design rules
To understand the latch up problem in cmos circuits.
To study the concepts of cmos invertors and their sizing methods
To know the concepts of power estimation and delay calculations in cmos circuits.
UNIT I MOS TRANSISTOR THEORY
NMOS and PMOS transistors, CMOS logic, MOS transistor theory – Introduction, Enhancement mode transistor action, Ideal I-V characteristics, DC transfer characteristics, Threshold voltage- Body effect- Design equations- Second order effects. MOS models and small signal AC characteristics, Simple MOS capacitance Models, Detailed MOS gate capacitance model, Detailed MOS Diffusion capacitance model
UNIT II CMOS TECHNOLOGY AND DESIGN RULE
CMOS fabrication and Layout, CMOS technologies, P -Well process, N -Well process, twin -tub process, MOS layers stick diagrams and Layout diagram, Layout design rules, Latch up in CMOS circuits, CMOS process enhancements, Technology – related CAD issues, Fabrication and packaging.
UNIT III INVERTERS AND LOGIC GATES
NMOS and CMOS Inverters, Inverter ratio, DC and transient characteristics , switching times, Super buffers, Driving large capacitance loads, CMOS logic structures , Transmission gates, Static CMOS design, dynamic CMOS design.
UNIT IV CIRCUIT CHARACTERISATION AND PERFORMANCE ESTIMATION
Resistance estimation, Capacitance estimation, Inductance, switching characteristics, transistor sizing, power dissipation and design margining. Charge sharing .Scaling.
UNIT V VLSI SYSTEM COMPONENTS CIRCUITS AND SYSTEM LEVEL PHYSICAL DESIGN
Multiplexers, Decoders, comparators, priority encoders, Shift registers. Arithmetic circuits – Ripple carry adders, Carry look ahead adders, High-speed adders, Multipliers. Physical design – Delay modelling ,cross talk, floor planning, power distribution. Clock distribution. Basics of CMOS testing.
TOTAL: 45 PERIODS
REFERENCES:
1. Neil H.E. Weste and Kamran Eshraghian, Principles of CMOS VLSI Design,
Pearson Education ASIA, 2nd edition, 2000.
2. John P.Uyemura “Introduction to VLSI Circuits and Systems”, John Wiley & Sons, Inc.,
2002.
3. Eugene D.Fabricius, Introduction to VLSI Design McGraw Hill International Editions, 1990.
4. Pucknell, “Basic VLSI Design”, Prentice Hall of India Publication, 1995.
5. Wayne Wolf “Modern VLSI Design System on chip. Pearson Education.2002.
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